The mental aspect of athletics is underrated. The common expression, “athletics are 90 percent ____ and 10 percent physical,” is often used by coaches, and stresses that mindsets make a huge ____ in competitions.
“The physical aspect of the sport can only take you ____ ,” said Olympic gold medal-winning gymnast Shannon Miller during an interview with the Dana Foundation. “The mental aspect has to ____ , especially when you’re talking about the best of the best. In the Olympic games, everyone is talented. Everyone ____ hard. Everyone does the work. What ____ the gold medalists from the silver medalists is simply the mental game.”
Many athletes have used the technique of mental imagery, or ____ , to perform at their best. Research on the brain patterns of ____ found that the patterns activated when a weightlifter lifted heavy weights were activated ____ when they simply imagined lifting and some studies have suggested that mental ____ can be almost as effective as physical training. One study, published in the Journal of Sport & Exercise Psychology in 1996, found that ____ weight lifting caused ____ changes in muscle activity.
“Mental imagery ____ many cognitive (认知的) processes in the brain: motor control, attention, perception, planning, and memory,” researcher Angie LeVan wrote in Psychology Today. “So the ____ is getting trained for actual performance during visualization. It’s been found that mental practices can enhance motivation, increase confidence, improve motor performance and ____ your brain for success.”
____ visualizing is more than just thinking about an upcoming event. ____ athletes use visualization, they truly feel the event taking place in their mind’s eye.
“During visualization, she incorporates (整合) all of her ____ into the experience,” sports psychologist Dr JoAnn Dahlkoetter wrote in a blog post on The Huffington Post ____ a speed skater she works with. “She feels her forefoot pushing off the track, she hears her skating splits, and she sees herself racing ahead of the competitors. She experiences all of the elements of her race ____ before executing (完成) her performance.”
A．lucky B．intelligent C．mental D．strategic
A．difference B．importance C．improvement D．challenge
A．so long B．so far C．so much D．so high
A．turn on B．show off C．take up D．set off
A．thinks B．moves C．runs D．trains
A．breaks B．pushes C．decides D．distinguishes
A．activation B．visualization C．motivation D．perception
A．athletes B．gymnasts C．weightlifters D．skaters
A．regularly B．normally C．finally D．similarly
A．connection B．practice C．performances D．directions
A．imagining B．considering C．reviewing D．dreaming
A．few B．usual C．actual D．strange
A．impacts B．increases C．slows D．follows
A．brain B．body C．attention D．memory
A．help B．apply C．use D．prepare
A．Though B．But C．Thus D．Otherwise
A．Unless B．After C．When D．Until
A．observations B．spirit C．determination D．senses
A．to B．for C．about D．with
A．in surprise B．in detail C．on time D．for example
It’s the place where smart people make smart machines work even smarter. It’s also in the heart of sunny California, a great place to start a family and raise kids. What could be better?
But something is happening to their children. Up until the age of two they develop normally. But then everything seems to go backwards. The children become locked into their own small world, unable to communicate at all.
They call it the “curse(诅咒)of Silicon Valley,” but the medical name for the condition is autism(自闭症). It used to be thought that autism was a kind of mental illness. Now doctors are sure that it is a neurological disease transmitted genetically. It seems that the people leading the communications revolution are having children who cannot communicate at all.
But even the parents have trouble communicating. Asperger’s Syndrome is a mild version of autism. People who have it are highly intelligent and often brilliant with numbers or system but have no social skill. This very combination of symptoms makes Asperger’s sufferers into ideal computer professionals.
The Asperger’s sufferer has always been a well—known figure in popular culture. He or she was the eccentric but dedicated scholar or the strange uncle or auntie who never married. But the high numbers of such people in Silicon Valley mean that they can meet others who understand them and share their interests. And while they might not be personally attractive, they can earn truly attractive amounts of money. They can get married and have kids. Unfortunately, many of the children of two Asperger’s parents seem to be developing serious autism.
There is little anyone can do. It takes hours of work just to make autistic child realize that anyone else exists. And there is no cure in sight. Some argue that no cure should be found. “It may be that autistics are essentially different from normal people, but that these differences make them invaluable for the evolution of the human race,” says Dr. Kirk Whilhelmsen of the University of California. “To eliminate the genes for autism could be disastrous. ”
It seems that the children of Silicon Valley are paying the price of genius.What does Dr Kirk Whilhelmsen think of autism?
| A．It is disastrous to society. |
| B．It is not completely a bad thing. |
| C．It is a punishment to those working in Silicon Valley. |
| D．People with autism should never marry. |
What can we learn about autism according to the passage?
| A．It is believed to be a king of mental illness that can be cured. |
| B．People with autism can’t find people sharing their interests. |
| C．They do not care about the presence of others. |
| D．They are a burden for the society. |
Why do people call autism “curse of Silicon Valley”？
| A．Because autistic people live in Silicon Valley. |
| B．Because many people working in Silicon Valley have autism children. |
| C．Because people with autism will be driven out of Silicon Valley. |
| D．Because people with autism are not personally attractive and not liked by others. |
What can we know about Asperger’s Syndrome according to the passage?
| A．Asperger’s sufferers are ideal computer professionals. |
| B．Asperger’s sufferers never get married and have children. |
| C．Asperger’s sufferers are ashamed of themselves and locked into their own world. |
| D．Asperger’s sufferers can be beneficial to society if they are cured. |
On a number of drives throughout my childhood, my mother would suddenly pull over the car to examine a flower by the side of the road or rescue a beetle from tragedy while I, in my late teens and early twenties, sat __________ in the car.
Though Mother’s Day _______ Earth Day, for me, they have always been _________ each other. My mom has been “green” since she became_________ the environment. Part of this habit was _________of thrift (节俭). Like her mother and her grandmother before her, mom _________her plastic bags.
Mom creates a kind of ________ relationship with wildlife in her yard. She knows to pick the apples on her trees a little early to _________ the bears and that if she leaves the bird feeders(给食器) out at night, it is _________that they will be knocked down by a family of raccoons (浣熊). Spiders that __________ their way into the house and are caught in juice glasses will be ________ in the garden.
I try to________ my children that looking out for the environment starts with being ________of the environment. On busy streets, we look for dandelions (蒲公英) to fly in the wind; we say hello to neighborhood cats and _________ plastic cups and paper bags. This teaching comes easily, I realize, because I was taught so well by __________. Mom didn’t need to lecture; she didn’t need to beat a drum to change the world. She simply slowed down enough to ________ living in it and with that joy came mercy and an instinct for protection.
I am slowing down and it isn’t __________the weight of my nearly forty years on the planet, it is out of my concern for the planet itself. I’ve begun to save glass jars and reuse packing envelopes. I pause in my daily tasks to ___________ the squirrels race each other in the trees above my house.
Last summer, in the _________of my son and daughter, I planted tomatoes in my yard. With the heat of August around me, I ate the first while sitting on my low wall with dirt on my hands. Warm from the sun, it burst on my tongue with a sweetness I immediately wanted to __________ with my mom.
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A noted American psychologist once remarked that childhood is a magical period in one’s life．Indeed it is, for during one undergoes a step-by-step transformation not only in mental capacity, but also in physical and verbal skills．Each step an increase in the difficulty of a child’s conceptual and learning abilities．During the early stages of childhood, from infancy to about five, the child learns skills including using the toilet, bathing and dressing himself independently．At this stage, he also learns to be very observant, curious, imaginative and creative．His ability to remember things also at this stage． He remembers details that an adult may have difficulty in remembering．Gradually , he learns elementary skills in problem-solving．At school, particular in classes, the child is especially creative．Given a piece of paper and some colored pencils, he draws a variety of from his surroundings as well as from his circle．It is not surprising to see a child draw a monster to represent an abusive father, and an angel to represent a loving and caring mother．
As he graduates to the later stages of childhood bordering on the teenage years, the child learns the of human relations and socialization by interacting with his peers—his friends and schoolmates． He also learns to with new life situations, including dates and part-time work． Given a tight schedule of schoolwork, the child learns to prepare his own schedules of work and play; the more________ and less serious ones manage to take time out of their busy schedules of assignments, reports and tests and examinations to go with their friends on relaxation entertainment．
A．adolescence B．adulthood C．childhood D．infancy
A．signs B．presents C．prevents D．signals
A．difficult B．simple C．useful D．helpful
A．develops B．increases C．reduces D．strengthens
A．music B．art C．chemistry D．biology
A．pictures B．buildings C．reflections D．images
A．family B．school C．teacher D．friend
A．competence B．commitment C．complexity D．competition
A．agree B．experiment C．withdraw D．concern
A．practical B．cautious C．enthusiastic D．stubborn
Pessimistic，anxious and depressed people may have a higher risk of dementia (痴呆)，US researchers reported on Thursday.
A study of a group of 3,500 people showed that those who scored high for pessimism on a standardized personality test had a 30 percent increased risk of developing dementia 30 to 40 years later.
Those scoring very high on both anxiety and pessimism scales had a 40 percent higher risk，the study showed.
“There appears to be a doseresponse pattern.That is，the higher the scores，the higher the risk of dementia，”Dr Yonas Geda，a neuropsychiatrist at the Mayo Clinic in Rochester，Minnesota who led the study，said in a statement.
Geda and his colleagues looked at the medical records of 3,500 men and women who lived near the clinic between 1962 and 1965.
They all took the Minnesota Multiphasic Personality Inventory，a standard personality and life experience test，Geda’s team told a meeting of the American Academy of Neurology in Miami.
In 2004，the team interviewed the participants or family members.
Those who scored higher for anxiety and pessimism on the test were more likely，as a group，to have developed dementia by 2004，including Alzheimer’s disease and vascular (血管的) dementia.
This did not mean a person who is pessimistic could assume he or she has a higher risk of developing dementia.
“One has to be cautious in interpreting a study like this，”Geda said.
“One cannot make a leap from group level data to the individual.Certainly the last thing you want to do is to say，‘Well，I am a pessimist；thus，I am doomed to develop dementia 20 or 30 years later，’because this may end up becoming a selffulfilling prophecy (预言)．”
And there is NOT any specific way to prevent dementia，although many studies have shown that a healthy diet，exercise，keeping active in other ways，doing puzzles and other activities lower the risk.What is the passage mainly about?
| A．It is impossible for people to avoid dementia. |
| B．People who always have negative feelings may have a higher risk of getting dementia. |
| C．If we have a healthy diet，we would have no chance of getting dementia. |
| D．A person who is pessimistic has a higher risk of developing dementia. |
According to the passage，which of the following is TRUE?
| A．There are many ways to prevent dementia effectively. |
| B．A person who is pessimistic is sure to get dementia. |
| C．Those who lead a happy life will not get dementia when they are old. |
| D．Those who scored high for pessimism might have a higher risk of dementia. |
Which of the following does NOT help reduce the risk of getting dementia according to the passage?
| A．A healthy diet. | B．Proper exercises. |
| C．Doing puzzles. | D．Getting up early. |
Which of the following words is not close to the meaning of the word “pessimistic”？
| A．Cheerless. | B．Optimistic. |
| C．Unhappy. | D．Upset. |
Five cloned pigs，whose organs are much less likely to be rejected(排斥) by a patient，have been born in the U．S.
More than 62,000 people in the U．S. alone are waiting to ____ donated hearts，lungs and so on.The number of human donors falls far short of ____.Pig organs are of a(n) ____ size to human organs，and some scientists hope they might be used to help meet the ____.But previous attempts to transplant pig tissue into humans have ____.
The five pigs ____ a gene that adds a sugar to the surface of pig cells.The sugar would ____ immune(免疫的) rejection of the tissue.“This advance provides a neartime ____ for overcoming the problem that there is not enough human organs for transplants，”says an expert.“This is the ____ gene for overcoming the ____ stage of rejection.”
____，scientists warn that much more work is necessary ____ organs from copies of the pigs could be transplanted into humans.Human genes will need to be added，to ____ rejection of the organ in the long term.There are also ____ that pig viruses could infect patients.
Cloning techniques were ____ to the production of the pigs.Genes can only be knocked out(去除) in a single cell.Cloning of these single cells then allowed the ____ of a whole animal in which the gene was knocked out in every cell.But the PPL researchers have ____ in knocking out only one copy of the gene.The team will now attempt to knock out both copies of the gene.
The team will also ____ tests to investigate whether a virus from the pigs could infect human cells.“Although a lot of the work is very ____，we’re still very far off being able to grow an organ，” says Julia，who is working on this project and quite ____ to creating similar knockout pigs with researchers at the University of Missouri.
A．exchange B．check C．possess D．receive
A．discussion B．demand C．doubt D．distance
A．beneficial B．identical C．similar D．certain
A．shortage B．condition C．satisfaction D．argument
A．continued B．failed C．finished D．paused
A．lack B．include C．make D．change
A．leave B．cause C．block D．destroy
A．supply B．ambition C．contribution D．solution
A．only B．rare C．key D．safe
A．last B．whole C．next D．early
A．However B．Therefore C．Besides D．Finally
A．because B．before C．if D．after
A．prevent B．ignore C．judge D．weaken
A．regrets B．emotions C．concerns D．interests
A．simple B．vital C．unusual D．basic
A．collection B．application C．reception D．creation
A．delighted B．succeeded C．joined D．believed
A．conduct B．plan C．design D．study
A．perfect B．strange C．exciting D．disappointing
A．opposed B．used C．devoted D．suited
Nowadays robots can not only talk and dance，but also answer your questions in English.They are “____”．The following is the first Chinamade “beauty”____.
A new 168cm high “beauty” robot who has not yet been____looks wonderful in a red wedding____.She can act as a tour guide，a receptionist，____a hostess.
Her face____the beautiful facial characteristics of many girls.And her eyes can move.
“The robot is the first human simulation(仿真)____in China，and she is____with the most advanced voice and movement control technologies and____communicate with humans，” said Li Chengrong，chief____of the robot，who works for the Chinese Academy of Science Institute of Automation.“She replies ‘____’ if you praise her by saying ‘You are so____’．”
The sentences that the robot can understand and say are____at present.“We will improve her in the future，to make her talk___with human beings，” Li said.
___the “beauty” will work as a receptionist and tour guide in Sichuan Science Museum，she has been programmed to____the southwestern dialect that is popular in inland Sichuan Province.
Li said the lab____for designing and making the robot was 300,000 yuan (37,500 U．S.dollars)．The robot is equipped with interactive technologies.It is____to most advanced robot in the world—Asimo，____by Japanese automaker Honda.Asimo，____can walk at a speed of one mile per hour and climb up and down stairs，costs about one million U．S.dollars.
A．receptionists B．hostesses C．beauties D．guides
A．robot B．cushion C．carpet D．fingernail
A．invented B．designed C．made D．named
A．dress B．clothes C．shoes D．skirt
A．or B．and C．but D．so
A．contains B．includes C．connects D．combines
A．one B．this C．that D．it
A．desired B．piled C．equipped D．scanned
A．must B．can C．should D．may
A．designer B．declarer C．junior D．haircutter
A．Go ahead B．Thank you C．Sorry D．With pleasure
A．holy B．pretty C．elegant D．outgoing
A．developed B．complicated C．limited D．improved
A．happily B．slowly C．particularly D．freely
A．Since B．If C．Unless D．When
A．study B．speak C．ignore D．understand
A．pay B．price C．cost D．work
A．familiar B．similar C．opposite D．reasonable
A．produced B．obeyed C．envied D．tested
A．which B．where C．when D．who
Beware of those who use the truth to deceive(欺骗). When someone tells you something that is , but leaves out important information that should be , he can create a false impression.
For example, someone might say, “I just a hundred dollars on the lottery. It was great. I took that dollar ticket back to the store and it in for one hundred dollars!”
This guy is a winner, ? Maybe, maybe not. We then discover that he bought two hundred , and only one was a winner. He’s really a big !
He didn’t say anything that was , but he deliberately left out some important . That’s called a half-truth. Half-truths are not technically , but they are just as not .
Untrustworthy candidates in campaigns often use this tactic(手段). Let’s say that during Governor Smith’s last term, the state lost one million jobs and three million jobs. Then she another term. One of her opponents runs an ad , “During Governor Smith’s term, the state lost one million jobs!”That’s true. , an honest statement would have been, “During Governor Smith’s term, the state had a net gain of million jobs. ”
Advertisers will sometimes use half-truths. It’s the law to make false claims so they try to mislead you with the . An ad might boast, “Nine out of ten doctors recommend Yucky Pills to cure nose pimples. ”It to mention that they only asked ten doctors and nine of them work for the Yucky Corporation.
This kind of deception happens too often. It’s a sad fact of life: Lies are lies, and sometimes the truth can lie as well.
A．false B．true C．interesting D．boring
A．included B．contained C．ignored D．referred
A．lost B．found C．donated D．won
A．changed B．took C．turned D．made
A．right B．well C．really D．though
A．books B．papers C．tickets D．balls
A．winner B．loser C．fighter D．thinker
A．true B．real C．doubtful D．false
A．details B．information C．mistakes D．errors
A．stories B．truth C．messages D．lies
A．pleasant B．exciting C．honest D．clever
A．political B．commercial C．personal D．public
A．stopped B．found C．avoided D．gained
A．seeks B．gets C．achieves D．searches
A．writing B．telling C．saying D．speaking
A．Otherwise B．However C．Meanwhile D．Because
A．one B．two C．three D．four
A．for B．to C．against D．in
A．words B．facts C．data D．truth
A．fails B．tries C．manages D．plans
It is easy to overlook the role that your body plays in influencing your mood(情绪)．When you are____，you may find yourself blaming work pressures or an unknown future.However，it could just be that you’ve been sitting behind your desk too long.
One way to improve your mood is____.Psychologically，it provides you with a break from the stresses in your life.Also，in the process，you may aim for____goals，like a new personal running record or a better body shape.The achievement of a particular goal makes you feel good and contributes to your____.That is why exercise has been shown to____your selfrespect.
You do not have to train yourself____to feel the psychological benefits of exercise.What really matters is____，not intensity(强度)of your exercise.You can try walking for 30 minutes five times per week or simply gardening on weekends.
A．ill B．poor C．unhappy D．unsuccessful
A．play B．communication C．sleep D．exercise
A．clear B．present C．common D．early
A．ability B．relationship C．confidence D．business
A．tear down B．build up C．set aside D．give out
A．hard B．everywhere C．carefully D．late
A．time B．length C．form D．frequency
In the past，people usually believed what newlyborn babies wanted was food and to be kept warm and dry.They thought babies were not able to ____ things until they were five or six months old.____ the researchers in the United States now believe babies begin learning on their first ____ of life.They say babies are strongly ____ by their environment and one baby will ____ if his or her mother does something that the baby likes.
A baby learns to get the best care possible by smiling to ____ her mother.This is how babies start to learn to ___ and communicate with other people.The researchers say this ability to learn ___ in a baby even before birth.They also ____ the idea that newlyborn babies can ____ and understand sounds they heard while they were still ____ inside their mothers.
Recently，an American study ____ 112 babies found babies learned better when they were ____.The babies appeared to learn well whether they were sitting up on their own，sitting in seats or __ to sit up.The researchers say keeping that kind ____ had what they called a ____ effect on the babies' ability to learn about objects.They say the body position may be linked to development in the ____．One ____ says babies can pay more attention to ___ an object if they do not have to be worried about their balance.
A．eat B．know C．remember D．learn
A．Besides B．While C．But D．Therefore
A．hour B．day C．week D．month
A．influenced B．accepted C．disturbed D．moved
A．cry B．smile C．eat D．sing
A．annoy B．love C．notice D．please
A．live B．connect C．speak D．smile
A．disappears B．informs C．exists D．happens
A．infer B．support C．deny D．instruct
A．recognize B．realize C．receive D．record
A．sleeping B．delivering C．shaping D．developing
A．helping B．raising C．involving D．containing
A．sleeping soundly B．lying down C．awaking clearly D．sitting up
A．assisted B．forced C．asked D．mentioned
A．hobby B．gesture C．decoration D．purpose
A．negative B．unmarked C．significant D．side
A．language B．feeling C．brain D．body
A．psychologist B．mother C．doctor D．researcher
A．exploring B．finding C．feeling D．discovering
A．anxious B．confident C．worried D．curious
A person should eat right，get some exercise，or he or she will look terrible in 25 years.And if the person drinks and smokes? Even____．That's the message from Blue Cross Blue Shield.The ____，called “Future You”，uses a digital camera and computer to compare a person's current image with his or her future ____ without changes in bad habits.
“Smoking can ___ your skin，” said Anna，a creative operation manager，“You can see what the results of the toxins(毒素) and the chemicals in____are.” Along with the potentially____sight of one's older self，Future You offers sciencebased____on what to eat，how much to exercise and other ways to ____ your health.But will it work? Too ____ to tell was the verdict(意见) of Anna.“I want to see some data！” she said.
Generally，Anna said，men show____concern about their appearance than women.“Women say，‘That looks like my ____on the screen，’” she said.“Men are more likely to ____，‘Yeah，go ahead.Put it on Facebook.’” The project was raised more than a year ago to improve the overall(总体的) health of the people who are ____ of this company.In addition，the growth in the ranks of ____customers would bring down the overall cost of health care.In coming weeks，two new ones will be ___ in locations such as the American Tobacco Campus and the Museum of Natural Science.If users ____，their information will be stored as secrets without names to create a database of good and bad ___．
The process is free and the response is not ____，at least according to Valencia Robertson，one of a line of people who waited to ____ the instrument on Thursday.“I'm good，” Robertson said after ____ her future image.“It's not going to be a big difference.”
A．easier B．happier C．bitter D．worse
A．instrument B．picture C．place D．structure
A．wealth B．character C．appearance D．education
A．reflect B．bother C．ruin D．affect
A．cigarette B．beers C．medicines D．foods
A．confusing B．convincing C．depressing D．exciting
A．opinion B．plans C．thought D．advice
A．break B．damage C．preserve D．change
A．possible B．natural C．early D．clear
A．deeper B．less C．higher D．stronger
A．son B．father C．daughter D．mom
A．guess B．say C．doubt D．wonder
A．customers B．managers C．secretaries D．cleaners
A．cautious B．smart C．careless D．generous
A．showing up B．thought out C．sold out D．dying out
A．know B．agree C．come D．listen
A．habits B．choices C．methods D．plans
A．nice B．cool C．strange D．bad
A．repair B．sell C．try D．buy
A．drawing B．viewing C．picturing D．imaging
We all need a healthy environment. ____, we produce waste every day and it ____ harm to our environment. Though we are young, we can still do ____ to help. In fact, even the simplest everyday activities can make a real ____ to the environment. Here are some ideas for you to live a ____ life.
Remember these three _____: reduce, reuse and recycle.
Reduce means “use less”. Don't ____ things. This saves money and reduces pollution and waste going into the environment. Before we buy something new, think if it is really ____ or maybe the ____ one will be just as good! When we do buy things, choose local products if possible, and try not to buy too many things from a ____ country.
Reuse means “use again”. Use things for ____ possible. When we buy things, make sure that they ____ a long time. We should take care of them ____ they will last, and we should ____ them if we can instead of throwing them away and buying new ones. Don't use a paper cup or a paper bag. It’s better to use a china cup and a lunch box because you can use them ____.
Recycle means “change things into something else”. Although it ____ energy to change something into something else, it’s better than ____ things or burning them. Find out ____ can be recycled in your neighbourhood and take part in recycling programmes. We should also buy ____ made from recycled materials, such as recycled paper, to help save ____.
A．Therefore B．However C．Otherwise D．Besides
A．gives B．takes C．causes D．does
A．something B．everything C．nothing D．everything
A．difference B．mistake C．effect D．help
A．busy B．hard C．green D．happy
A．letters B．words C．sentences D．lessons
A．buy B．produce C．save D．waste
A．necessary B．important C．helpful D．useful
A．cheap B．expensive C．new D．old
A．rich B．developed C．foreign D．poor
A．as soon as B．as long as C．as much as D．as well as
A．use B．last C．keep D．live
A．so that B．if C．because D．though
A．sell B．lend C．throw D．repair
A．less B．more C．again D．better
A．costs B．spends C．takes D．pays
A．throwing away B．putting away C．taking away D．giving away
A．that B．which C．what D．how
A．cups B．bags C．boxes D．products
A．money B．trees C．paper D．time
If you do not use your arms or your legs for some time, they will become weak; and when you start using them again, they will slowly become strong again. knows this, but nobody would think of the fact.
Yet there are many people who to know that the memory works in the same way. When someone says that has a good memory, he means that he keeps his memory in practice exercising it very , either consciously or unconsciously. When someone else says that his memory is , he means that he does not give it enough to become strong. The position is exactly the same as that of people, one of exercises his arms and legs by playing ball, while the other in a chair or a car all day. If a friend of yours says that his arms are weak, we know that it is his own , But if he tells us that he has a poor memory, of us think that his parents are to blame, or that he is just , and few of us realize that it is just as it was his arms or legs that were weak. Not all of us can become very strong in body or very clever in mind, all of us can improve our strength and our memory by the same means that .
Have you ever that people who cannot read or write usually have memories than those who can? Why is this? Of course, because they cannot write down something in a little notebook or something else. They have to remember names, places, songs and stories; so their memory is always being exercised.
In a word, if you want to have a good memory, do practice things。
A．Everybody B．Somebody C．Nobody D．Each one
A．proving B．questioning C．describing D．indicating
A．want B．have C．seem D．need
A．she B．he C．it D．one
A．always B．nearly C．really D．almost
A．with B．in C．to D．by
A．often B．fast C．quickly D．soon
A．bad B．useless C．helpless D．poor
A．time B．chance C．space D．places
A．two B．four C．three D．five
A．them B．that C．whom D．which
A．lies B．sits C．hides D．stands
A．business B．interest C．story D．fault
A．few B．some C．many D．several
A．unfortunate B．unhappy C．unthinkable D．miserable
A．because B．but C．for D．since
A．study B．rest C．play D．work
A．noticed B．thought C．believed D．realized
A．stranger B．poorer C．worse D．better
A．remember B．remembering. C．to remember D．remembered
At the beginning of this century, medical scientists made an interesting discovery; we are built not just of flesh and blood but also of time. They were to show that we all have “a body clock” us, which controls the and fall of our body energies, us different from one day to the next.
The of “a body clock” should not be too since the lives of most living things are controlled the 24 hour night-and-day cycle. We feel and fall asleep at night and become and energetic during the day. If the 24 hour-cycle is , most people experience unpleasant . For example, people who are not to working at night can find that of sleep causes them to badly at work.
the daily cycle of sleeping and , we also have other cycles which longer than one day. Most of us would that we feel good on some days and not so good on ; sometimes our ideas seem to flow and at other times, they do not exist.
A．anxious B．able C．careful D．proud
A．inside B．around C．between D．on
A．movement B．supply C．use D．rise
A．showing B．treating C．making D．changing
A．invention B．opinion C．story D．idea
A．difficult B．exciting C．surprising D．interesting
A．from B．by C．over D．during
A．dull B．tired C．dreamy D．peaceful
A．regular B．excited C．lively D．clear
A．disturbed B．shortened C．reset D．troubled
A．moments B．feelings C．senses D．effects
A．prevented B．allowed C．expected D．used
A．miss B．none C．lack D．need
A．perform B．show C．manage D．control
A．With B．As well as C．Except D．Rather than
A．working B．moving C．living D．waking
A．repeat B．remain C．last D．happen
A．agree B．believe C．realize D．allow
A．other B．the other C．all other D．others
A．just B．only C．still D．yet
Which came first, the chicken or the egg? This is one of life’s ______ questions and people have been debating about it for thousands of years. Now scientists believe they have solved this ______. Researchers from Sheffield and Warwick Universities in England discovered the answer ____. They used a super computer to observe the shell-making process while a new shell was ____. Then they found one protein called OC17 that is ______ for forming eggshell. This is only found inside a chicken’s body, which is proof that the ______ came first. The team was ______ looking at how animals and birds make eggshells but suddenly made their surprising ______. The big question now is where chickens came from. The ______ is from dinosaurs.
The research team said eggshells are one of nature’s most ______ creations. Professor John Harding from the team told reporters: “Understanding how chickens make eggshells is fascinating in itself, but it can also be _____ in designing new materials.” Eggshells are very lightweight but incredibly strong. Even the most up-to-date materials _____ by the world’s top engineers cannot produce anything as ______ as an eggshell. Professor Harding added that ______ eggshells could help to cure bone diseases and design materials for the construction industry. “Nature has found wonderful ways that ___ for all kinds of problems in materials science and technology — we can learn a lot from them.” he said.
A．strangest B．best C．oldest D．Closest
A．puzzle B．fact C．history D．opinion
A．on purpose B．by chance C．without hesitation D．at work
A．breaking B．changing C．disappearing D．Forming
A．necessary B．easy C．kind D．impossible
A．egg B．eggshell C．chicken D．dinosaur
A．obviously B．originally C．thoughtfully D．surprisingly
A．invention B．mistake C．statement D．discovery
A．answer B．research C．road D．egg
A．common B．ridiculous C．funny D．amazing
A．interesting B．helpful C．normal D．correct
A．bought B．cut C．designed D．carried
A．brilliant B．ordinary C．1ight D．small
A．finding B．watching C．studying D．making
A．happen B．work C．wait D．Look
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