A．get into the cooking area B．Secondly C．seriously D．Experts E．in your own home F．properly G．cause these problems H．Of course I．Many people J．move quickly out of the room |
Smoke pollution in your home
Do you ever get a bad cough that won't go away？ Do you have trouble breathing？ Do your eyes hurt when you or your parents are cooking？ The air in your home could（1） ． In fact， smoke and other kinds of air pollution can cause serious illnesses or make them worse．
Everyone knows that there is air pollution in the street， but it's a shock when you discover that you are also in danger from pollution（2） ．
（3） ， especially those who live in Villages in the countryside， burn coal or wood on an open fire． This can be really dangerous，because there are harmful chemicals（化学物质）in the smoke from both wood and coal and they can（4） pollute the air in your home． When you breathe in these chemicals， they can harm your lungs（肺）and other parts of your body．（5） think that about 50 percent of open fires are dangerous， because chimneys（烟囱）don't work（6） and too much smoke stays in the house．
Gas and other fuels that people use for cooking can also be harmful． Again， the problem is often that fresh air doesn't（7） ．
There are things you can do to reduce（减少）the amount of bad air in your home．（8） _ you have to keep warm and you can't stop cooking， but you can reduce the amount of bad air you breathe．
First of all， avoid smoky areas as much as you can． Although it is important for adults to stay away from smoke， it is especially important for children．（9） ， if an open fire or cooking cause smoke in your home， find a way to fix it． Make sure that there is a way for smoke to（10） ． To do this， you may need to move your cooker． And you definitely need to open your windows more often， even in winter． You'll be glad you did it!
People think different colors have different meanings．They think some colors can bring them good luck．In Chinese culture， there are some lucky colors． （1） ．
Red﹣﹣﹣Happiness， Success and Good Fortune（命运）
Red represents（代表） fire and is the most popular color in China． （2） ．
Red is popular with Chinese people and it is widely used during festivals and important events．
Red things are common in our everyday life．We can sce red lanterns，red paper cuttings and on．（3） ．
Red envelopes（信封） are filled with money and given as gifts during Chinese New Year．
Yellow ﹣Royalty and Power of the Throne
In Chinese culture， yellow stands for royalty and is usually used for the emperor．
The first Emperor of China was known as Yellow Emperor． （4） ．
Green ﹣Money and Wealth
Green is a color which has many meanings such as wealth，hope and growth．Green also stands for pure and clean．
（5） ． Packaging for some produce is often in green in order to show that the food is not polluted．
A． Colors can influence people's feeling． B． Here are the top three of them． C． People wear red clothes during weddings， festivals and other ceremonies． D． Banks and restaurants are often painted in green． E． China was often regarded as "Yellow Earth"， and its mother river is Yellow River． F． It stands for happiness， beauty， good luck，success and good fortune． |
How do you often go to school？ Do you take a bus or a car？ These ways mean you have to stay on the ground． But have you ever dreamed of flying to school？ （1） ．Now let me introduce the first flying motorcycle in the world to you．
Its name is Speeder and it's made in the USA Speeder has no wheels， but there is a screen on it． （2） It can fly for 10 to 22 minutes each time． （3） That's much faster than a car． It can fly more than 4， 500 meters high．
What's more， Speeder can move things or people more easily than a helicopter（直升机）． （4） ．
Maybe you want to have one and fly it to school right now． But if you want to ride Speeder， you have to have a pilot's license first （5） If you're too heavy， it will be too hard for Speeder to take off．
A． It can fly at 240 Kilometers an hour． B， And you must weigh less than 109 kg． C． It can take patents to hospital more quickly． D． Riders find their way by touching the screen． E． Can you imagine a motorcycle can fly high in the sky． |
Many people may enjoy travelling by air， but few like airline food． Airline have always tried to improve the food quality and the taste in order to attract more travelers．（1） ．According to some recent scientific researches， a part of the reason is that at high altitude（海拔），we can't actually taste things well as we do on the ground．
Scientists have found that even before a plane takes off， （2） ． As the plane climbs， the air pressure changes and our noses become more and more senseless．When the plane goes 35，000 feet high， （3） ．They help explain why the tomato juice on airlines tastes far less sour in the air than it does down on the ground（4） Otherwise， the food would be tasteless．Astronauts also have to do with this problem on their journey for similar reasons． （5） _ The studies are going on! We are looking forward to any improvements．
| A．the nose no longer knows just like being bitten by a snake． B．How to solve this problem？ C．the air inside the plane dries out the nose． D．Getting something tasty in the air is like a dream to the travelers． E．It also helps to explain why airlines like to have salty and spicy（辛辣的）food better． |
根据短文内容，从短文前方框内的选项中选出能填入空白处的最佳选项，并在答题卡上将该项涂黑．
| A．Then， the drone will fly to the person． B．But they have other uses now． C．Luckily the drone tracked （追踪） him down in 20 minutes． D．Drones can serve people coffee． E．Drones can also save lives． |
Drones （无人机） can do a lot of things for us， taking photos， delivering （递送） things from packages（包裹） to pizzas to beer and following wild animals．（1） ．
Can you believe it？（2） US company IBM has made this kind of drone． It can deliver coffee to sleepy people． The drone can know when to bring a cup of coffee by studying a person's personal information． （3） There is a special device （设备） under the drone． It helps the drone to give coffee． The drone can also learn about someone's coffee﹣drinking habits and tell when someone need next cup of coffee．
（4） One company in Africa use drones to deliver medicine and blood fast and save many people's lives． The drones are able to fly at speeds of up to 60 mph and when they are within a minute of the destination（目的地）， the doctors receive a text and wait nearby． The drone drops off the package and then returns to its home．
A 92﹣year﹣old hunter in Virginia was lost and had to spend a night in the woods． The police searched for him all night but failed to find him．（5） Also， drones helped firefighters know about the fire in wildfire fight．
Do you have a tail？ Of course not， we know． But tails are like opinions． actually， everyone has them： fishes， birds， most reptiles， and even some of our closest relatives．
Since tails first evolved（进化） at least 500 million years ago． Geckos （壁虎）use them to store fat， birds use them to steer through the air． But for most mammals （哺乳动物），（1） Yet， as you get closer to humans on the evolutionary tree， tails disappear， Gorillas（大猩猩）don' t have them， and neither do chimps（黑猩猩） or any other apes （类人猿）， including us， of course． To understand why， take a look at how we walk．
（2） walking like this gives us a huge advantage because unlike four﹣legged animals，which have to pour energy into every step they take， two legs take advantage of gravity（重力），which does some of the work for us． You see， each time we take a step， gravity pulls us forward．The end result is that when we walk， we use around 25% less energy than walking on all fours， and this way of getting around also totally eliminates（淘汰） the need for a tail．
It's said that you can still see a reminder of a time when our ancient ancestors had one． Just look at a human spine（脊椎）．（3） That's your tailbone． It's all that's the rest of our tail．
Now， babies are born with what looks like a tail， but that's not what's really going on． Most often， these tails are actually a parasitic twin（寄生物）． These types of tails usually form as a birth defect（瑕疵）．（4）
So the tail of humans has gone， it's the result of evolution millions of years Will humans be much taller， stronger or smarter in the future？
| A． Nowadays， humans can walk completely upright． B． And in these situations， doctors will advise to remove the tails with no harm to the babies． C． they serve one major purpose﹣﹣balance． D． You can see how the last few bones are partly fused（融合） together． |
Getting up to speed
Before you begin running， you should：
• Find a partner to train with you． Ask a friend from school or from your neighbourhood， your brother or sister， or a parent or other relative．
• Make sure you have a good pair of running shoes that fit you well．
• Stay hydrated（含水的）！（62） Be sure to drink water often to keep your body working．
• （63） Fruits and vegetables， whole grains ，and low﹣fat milk products all help keep a healthy body． Have an apple and a piece of cheese， or an orange and whole﹣grain cakes．
• Don't push yourself too hard． （64） If you are pushing yourself too hard， talking will be difficult because you'll be short of breath（呼吸）．
• （65） Running is just one of many different activities you can do to stay shape． Change your routine（常规）enough to keep it interesting， and bring along a friend to run together．
| A．Run as fast as you can． B．Snack on healthful foods． C．Most of all， remember to have fun．． D．Exercise uses up a great deal of your body's water． E．You should be able to talk comfortably with your partner． |
Dear Xiao Fang，
How time flies!It is two years since you moved to America for your study．（57）
How happy we are!During your staying in America，little companions（小伙伴们 ） kept complaining，"There is no one to play with．"Huang Lei talked about the little woods where we often played together．（58） Each time I saw your empty house next door，I held back tears．How much I have missed the days when we played in the woods behind our houses，where we dug up some worms，chasing the birds．I still remember we slipped down along the stream，feeling the spray（浪花） on our faces．
After reading your letter，Huang Lei and I came up with an idea．How about our families spending a week's vacation together this summer？（59） It is located between the downtown of Chunxi and
Wulin Town where we used to have fun．July will be the best month for us，so we must enjoy freedom and joy for a long time．（60） I can't wait to look forward to the time when we meet again．
Yours
Xiao Mei
| A．What about the Spring Lake？ B．Talk with Huang Lei about it as soon as possible． C．These days，we have known that you will come back． D．As for me，it was honor to have such a close friend like you． |
It's easy to tell someone good news， but what about bad news？ Are there any good ways to give bad news without making people too upset？ （1） ．
★ Say something good Try to start the conversation with something good so that what you say is not all bad． For example，"I know you play soccer very well， but we only need one teammate." Or you may end the conversation with a promise．" （2） ．
★ Prepare your listener for the news Use words to introduce what you' re going to say， like "I'm really sorry， but…" or "I'm afraid I've got some bad news．" （3） ．
★ Try to give a reason． （4） ． Try to explain the decision： if you have to cancel a trip with friends， can you explain why？
★（5） ． If you' re giving someone bad news， try to use a soft friendly voice to make you sound kind． Say things to show you understand， like "I'm really sorry．I know this must be disappointing．"
根据短文内容，将下面方框内的句子还原到文中空白处，使短文内容完整、通顺（每个选项只能用一次）．（5分）
A．I'm sure you will join us in the next game B．The following ways might help C．Use a soft friendly voice D．This gives the listener time to prepare for what you will say E．People like to know why things go wrong |
In the early days of the American West，life was difficult．People lived on farms away from other families．（71） Then they saw their friends and neighbors there．On their farms everyone had lots of work to do．There were some big jobs，and one of them was to build a house．
What did families do to build houses？They asked for help．（72） Women cooked together when men worked on the building．For children，it was like a holiday．There were many children whom they could play with．They enjoyed this form very much．Together these people built a house．At some other time the family with the new house would help their neighbors，too．They helped each other for the good of everyone．
A work group is really cooperative．To cooperate means"to work together"．A big job can be easy because of cooperation．Many people can work together．（73） It will become a small job for many workers．
Today，there isn't much cooperation．People don't work together very often．（74） How can they ask them for help？
Now，we help others only when they have emergencies（紧急情况）or accidents．We call the police for help，we talk to our neighbors，and then we become true neighbors and friends．
Why not always cooperate？Why not work with other people？You'd better not wait for emergencies or accidents．（75）
根据短文内容，将下面方框内的句子还原到文中空白处，使短文内容完整、通顺．（每个选项只能用一次）
A．So some people don't know their neighbors．
B．They went into town once a week or once a month．
C．If you always work with others，it can be fun，and life can become easier，too．
D．They asked their friends and neighbors，and invited them to a work group for a few days．
E．Then the job will not be difficult．
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