When you look up into the night sky， you can see the moon． But do you know that you're only seeing one side of the moon？ The other side， also known as the far side of the moon， has long been a secret to us． But now， we have a chance to see what's on the far side．
On January 3rd，China's Chang'e 4 probe（探测器） landed on the far side of the moon． It is the first probe in history to land there．
Chang'e 4 probe has already done a lot of things on the moon． One of its jobs is to grow plants． Chang'e 4 probe took six living things to the moon． Such as cotton， potatoes and fruit flies（果蝇）． The cotton has already started growing． This is the first time humans have grown plants on the moon．
Chang'e 4 probe also took a lot of pictures of the moon's far side． With these pictures， scientists will learn more about the moon．
（1）According to the passage， we can see both sides of the moon． （判断对错）
（2）Growing plants on the moon is Chang'e 4 probe's only task． （判断对错）
（3）Chang'e 4 probe is the first probe to land on the far side of the moon． （判断对错）
（4）Seven living things were brought to the moon by Chang'e 4 probe． （判断对错）
（5）The cotton has already begun growing on the moon． （判断对错）
Antarctica （南极洲） is at the southern end of the Earth． It is the coldest， driest and windiest place on our planet． What would it be like to live and work there？
On Oct 15， 50 Chinese researchers took a ship named Xuelong 2 from Shenzhen to Antarctica． Xuelong 2 is the first icebreaker （破冰船） made in China． It took two years to build Xuelong 2． It is reported that Xuelong 2 is one of the world's best research icebreakers．
Chinese researchers have been to Antarctica 35 times． Because of its unusual environment， researchers from around the world have been going there to do study （研究） for many years． Some studies can only be done in Antarctica． For example， there is little air pollution there． This makes it easier for scientists to study the weather， atmosphere （大气） and stars．
The study of Antarctica's geology （地质） is also important． Rocks in Antarctica can tell us what the weather was like long time ago， and help us understand how the Earth has changed over time． There are also many wild animals， such as penguins （企鹅），seals （海豹） and birds． Scientists can learn how animals live in cold places by studying them．
Xie Zhouqing is a professor at the University of Science and Technology of China． He was part of China's 15th research trip to Antarctica． He said， "Life in Antarctica is not easy．It is tiring and sometimes dangerous， but it is still quite fun．" He also said，"I studied how penguins walk， what they eat， and why they move from one place to another． I was excited to see the cute animals playing around． I hope my studies can help protect them．"
（1）What can we know from the first three paragraphs？
A． Antarctica is at the northern end of the Earth．
B． There is plenty of air pollution in Antarctica．
C． Xuelong 2 is the first icebreaker made in China．
D． Chinese scientists have been to Antarctica 45 times．
（2）What does the underlined word "it" mean in the fifth paragraph？
A． Life in Antarctica．
B． Rocks in Antarctica．
C． Fun in Antarctica．
D． Danger in Antarctica．
（3）What can we infer （推断） from the passage？
A． The weather in Antarctica hasn't changed over time．
B． Xie Zhouqing mainly studied geology in Antarctica．
C． Chinese researchers have done many studies in Antarctica．
D． The study in Antarctica can't help protect penguins and seals．
（4）Where does the passage probably come from？
A． A storybook．
B． A cooking guide．
C． A film review．
D． A science magazine．
The year 2022 will be a big year for sports in China． That's because it will hold not only the 24th Winter Olympics in Beijing， but also the 19th Asian Games in Hangzhou．
On Aug．6th， 2018， the official emblem（会徽） for the HangZhou Asian Games was released（发布）．The city won the hosting rights for the 2022 Asian Games in 2015． It will be the third Chinese city to host the Asian Games after Beijing and Guangzhou in 1990 and 2010．
First held in1951， the Asian Games is the largest multi﹣sport event in Asia．It also means a lot to China． The Beijing Asian Games was the first large international sports event to be hosted by China． China News Service reported．
To make the Games a great success， Chinese people worked hard to prepare． Beijing built a great number of roads and gyms， including the famous Beijing Olympic Sports Center and Asian Games Village． The Games helped the world see China and its achievements． Since then， China has improved its global image（国际形象），China Youth Daily reported．
For the 2022 Asian Games． Hangzhou has already started building 33 sports venues（场馆），according to China Youth Daily． The themes of the Hangzhou Asian Games are "green， smart，economical（节俭） and civilized"． All the Games's buildings will be environmentally friendly．
（1）Which city will host the 2022 Asian Games？
A． Hangzhou．
B． Guangzhou．
C． Shanghai．
D． Beijing．
（2）What does the underlined word"themes " mean in the last paragraph？
A． 意义
B． 主题
C．内涵
D． 标题
（3）Accordingto the passage， how did the Beijing Asian Games influence China？
A． It improved China's economy（经济）．
B． It helped China attract more tourists．
C． Guangzhou built a lot ofroads and gyms．
D． It helped the world see China and its achievemems．
（4）Which of the following is NOT TRUE according to the passage？
A． The first Asian Games was held in 1951．
B． Beijing will hold the 24th Winter Olympics in 2022．
C． China has already hosted the Asian Games three times．
D． All the 19th Asian Games' buildingswill be environmentally friendly．
（5）What is the main idea ofthe passage？
A． How to prepare forthe Asian Games．
B． The development of the Asian Games in China．
C． Why China wants to host the 19th Asian Games．
D． How the 19th Asian Games emblem was designed．
Ever wondered why your virtual（虚拟的）home helper doesn't understand your questions？Or why your navigation app took you on the side street instead of the highway？In a study published April 21st in the journal Science，Italian researchers，Arianna Pipitone and Antonio Chella，designed a robot that "thinks out loud".
To explore how inner speech might influence a robot's actions，the researchers built a robot called Pepper that speaks to itself.It has the ability to reason and think.They then asked people to set the dinner table with Pepper according to etiquette（礼仪）rules.In one experiment，the user asked Pepper to lay the napkin at the wrong place，going against the rules.Pepper started asking itself a series of self﹣directed questions and concluded that the user might be mistaken.To be sure，Pepper confirmed the user's order，which led to further inner speech.
"Ehm，this situation troubles me.I would never break the rules，but I can't make the user unhappy，so I'm doing what he wants，" Pepper said to itself，laying the napkin where it was required to be.Through Pepper's inner voice，the user can learn Pepper was facing a difficult situation and solved it by prioritizingthe user's order.
Comparing Pepper's actions with and without inner speech，Pipitone and Chella discovered the robot had a higher task﹣completion rate when having self﹣dialogue.
However，some people find the robot spends more time completing tasks when it talks to itself.The robot's inner speech is also limited to the knowledge that researchers gave it.Pepper's designers still say their work provides a framework（构架）to further explore how self﹣dialogue can help robots focus，plan，and learn. "In some ways，we are creating a generational（世代的）robot that likes to chat.From navigation apps and the camera on your phone to medical robots in the operation rooms，machines and computers alike can take advantage of this chatty feature，" says Chella.
（1）Why does the writer ask two questions at the very beginning of the passage？
| A． |
To draw the reader's attention to the topic. |
| B． |
To show the writer likes electronic products |
| C． |
To tell the reader about the history of robots. |
| D． |
To prove the writer often faces trouble in life. |
（2）Why was Pepper asked to lay the napkin at the wrong place？
| A． |
To see how much time Pepper spent laying the napkin. |
| B． |
To confirm how popular Pepper was among its users. |
| C． |
To test how many etiquette rules Pepper remembered. |
| D． |
To study how self﹣dialogue might influence Pepper's actions. |
（3）What does the underlined word "prioritizing" in Paragraph 3 mean？
| A． |
repeating. |
| B． |
dealing with…first. |
| C． |
going against. |
| D． |
complaining about. |
（4）What can we infer from the passage？
| A． |
The designers are proud of their work about Pepper. |
| B． |
Pepper has already been in use in the operation rooms. |
| C． |
Pepper's inner speech depends on its user's communication skills. |
| D． |
With or without inner speech，Pepper could complete a task equally well. |
Beijing opened its first bicycle﹣only road at 7 a．m． on May 31, which is expected to reduce traffic in the area between Huilongguan and Shangdi． According to Beijing Municipal Commission of Transport, the 6.5﹣kilometer﹣long road has a highest speed of no more than 15 kilometers per hour and pedestrians, electric bicycles and other vehicles are not allowed to enter the road． Besides, there are three lanes（车道） on the six﹣meter﹣wide road． |
On Thursday, May 30, Peng Liyuan said that China is ready to work with the international community to create a good environment for women's development and provide equal（平等的） and high quality education chances． She communicated with foreign students at the Great Hall of the People． Peng said women's development is very important and China would like to work with different countries in the world in this field． |
The 37th China Sport Show opened at the National Exhibition in Shanghai on May 23, 2019． Thousands of buyers and visitors came to the event． The expo lasted four days and it closed on May 26． So far, the show has become the largest sporting products exhibition in the Asia﹣Pacific region（亚太地区）． |
（1）Where can we probably read these materials？
A．In a novel．
B．In a poster．
C．In a storybook．
D．On a news website．
（2）Why did Beijing open its first bicycle﹣only road？
A．To allow other vehicles to enter the road．
B．To control the speed of other vehicles．
C．To reduce traffic between Huilongguan and Shangdi．
D．To reduce traffic throughout Beijing．
（3）Which place did Peng Liyuan communicate with foreign students？
A．Shanghai．
B．The Great Hall of the People．
C．Beijing Municipal Commission of Transport．
D．The National Exhibition．
（4）When did the 37th China Sport Show end？
A．On May 23．
B．On May 26．
C．On May 30．
D．On May 31．
（5）How long is the road with the highest speed of no more than 15km per hour？
A.6.5 kilometers．
B.15 kilometers．
C.6 meters．
D.37 kilometers．
I think there are several reasons that suggest developing robots is a waste of money．
In San Diego recently ＄ 325，000 was spent on inventing a robotic squirrel to do some scientific experiments． The research proved that squirrels are able to scare away snakes by wagging （摇动） their tails． Do you need a robotic squirrel to work this out？
What about AIBO，a robotic pet，developed in Japan？ In Japanese aibou means "buddy"． These pets have been developed at huge cost mainly to provide entertainment．They've been used in movies and music videos． Universities have used them for educational purposes．However， in 2006 the company stopped producing these robotic pets in order to save money． Was it worth a lot of money？
Then there's NAO， a robot which has been developed by a French company．Its main purpose is to make life easier for humans． It speaks 19 languages and has its own personality．It can tell children a story， help in the classroom or the home， or act as a companion to those people who need someone to be with．A fully developed one costs ﹩16，000． Is that value for money？ Who can afford it anyway？
There may be good reasons why it is worth developing robots， but so far I haven't thought of any．
（1）What does the underlined word "companion" in Paragraph 4 mean in Chinese？
A．公司
B．机构
C．对手
D．伙伴
（2）What is the true fact about the robots mentioned？
A． The robotic squirrel is needed by every scientist to do some research．
B． AIBO wasn't made any more because it only provided entertainment．
C． A fully developed NAO may tell kids stories in different languages．
D． All the three types of robots used to be produced at a very low cost．
（3）What does the writer think of developing robots？
A． It can help bring people a lot of fun．
B． It has advantages in many ways．
C． It may be useful but costs too much．
D．It is worth a great deal of money．
Every 14 days, another language dies． There are many reasons for this． Some people think more common languages have more economic（经济的） power． Because of this, young people choose to learn a common language as they think it is more useful． Another reason is that some languages aren't written down． Guujaaw is a leader of the Haida Nation, whose people have lived on the Queen Charlotte Islands, Canada, for more than 10, 000 years． Their language is endangered． Traditionally, it wasn't written down, and, as a result, some people are worried that it will die one day． Guujaaw replies to this," We talk to each other,listen, visit, and believe in the spoken word． Expressing yourself without writing is natural．" However, if Guujaaw's language and others like it are going to stay alive, writing may have to become part of their lives．
When a language dies, a lot of knowledge dies with it． To begin with, language is a huge part of the culture of the people who speak it． Language allows speakers to say certain things： words that describe a cultural idea may not translate exactly into another language． Furthermore, many endangered languages have rich spoken cultures． Stories, songs and histories are passed on from older people to younger generations （一代）． Elizabeth Lindsey, an expert in languages , emphasizes（强调）this．" When an elder dies, a library is burned," she says．
Also, language death affects our knowledge about nature． Local people often have a deep understanding of plants, animals, and the relationship between them． David Harrison, a researcher on endangered languages, reflects,"80% of plant and animal species（物种） have been undiscovered by science．But that doesn't mean they're unknown to humans．"
Many languages are endangered． However, it's not too late． Children often grow up speaking two languages．"No one…becomes richer by giving up.. one language to learn another, "Harrison said． If children feel both languages are important, they will use both．So, it is necessary that children realize how useful their local language is．
（1）How many reasons are mentioned for endangered languages in Paragraph 1？
A．2．
B．3．
C．4．
D．5．
（2）In Paragraph 2, the writer mainly tells us ．
A． how cultures are passed on
B． how cultures are discovered
C． why languages are written down
D． why languages are important to cultures
（3）The underlined word" affects" in the passage means" "．
A． waits for
B． depends on
C． is different from
D． has an influence on
（4）Which of the following is the writers opinion ？
A． People need to use common languages more often．
B． The spoken word is more important than the written word．
C． Children are the hope to stop the local language from dying．
D． Many animals and plants are in danger because of dying languages．
Everywhere you look，there's talk about exercise﹣from the importance of gym class to the latest trendy workout（流行的健身方式）to follow on social media． And as you know，being active is very important， because it's good for your physical health， as well as helps with your mental health by improving your mood and keeping your mind sharp． Here is what people said about it．
My friend and I try to exercise together． We dance to our favorite song or even enjoy a plank（平板支撑运动）contest． I think feeling strong is a good thing． ﹣Alan |
I know I should exercise more ，but I have no interest in it． ﹣﹣Bill |
Yoga（瑜伽）is the BEST way to exercise． I feel like everyone should try it． I take a class at the gym with my best friends，and it's so fun! ﹣Grace |
My dad tells me to exercise outside for at least an hour each day in summer． I do as he says， and I always feel better after that． I believe I will go on． ﹣Kitty |
In my spare time， I like reading instead of exercising． Every time I walk into the gym， I always feel nervous． ﹣Mary |
（1）How many people like exercising in the passage above？
A． One．
B． Two．
C． Three．
D． Four．
（2）In Grace's opinion，what kind of exercise should everyone take？
A． Plank．
B． Swimming．
C． Running．
D． Yoga．
（3）How does Mary feel when she is at the gym？
A． Upset．
B． Nervous．
C． Surprised．
D． Bored．
（4）Which statement is TRUE according to the passage above？
A． Exercise can only be good for our physical health．
B． Alan feels weak after he exercises with his friends．
C． Bill doesn't have any interest in exercise．
D． Kitty exercises at least two hours each day in summer．
（5）Where is the passage probably from？
A． A magazine．
B． A story﹣book．
C． A novel．
D． A notice．
In Yingxiu Town of Wenchuan， Qi Jianfeng attended the 10th anniversary（周年纪念日） of Wenchuan Earthquake with hundreds of doctors and volunteers， （1） ．
Wenchuan was hit by a strong earthquake on May 12th，2008．At least 69，000 people were killed and more than 375，000 were hurt．（2） Soldiers and doctors quickly arrived in the area．At that time，they were saving people and rebuilding （重建） homes．（3） he wanted to help those who had lost their families or homes． Qi Jian feng sorked as a volunteer after the earthquake． He also listened to the local people carefully so that they had someone to talk to．
Qi's job lasted （持续的）for three years． （4） but Qi kept on staying here． He saw the destroyed （毁坏的） place become a new town． The beautiful mountains and friendly people made him prefer to work here． He got a job and bought an apartment in Wenchuan．（5） He hopes to help people specially the young receive earthquake traning．
Although the earthquake broke many things apart， it brought everyone closer together．
A． It was easy enough to save the people under the buildings．
B． He never imagined what a big difference an earthquake made to his life．
C． Most volunteers have left Wenchuan．
D． He has remained in Wenchuan ever since then．
E． As soon as Qi Jianfeng heard the news．
F． Many people became homeless．
G． Qi Jianfeng was on his way to Wenchuan．
FROM THE EDITOR
DEAR
READERS．
Happy birthday to us! TIME zine's firse（期刊） came out on March3， 1923． Sure， 96 isn't the most special birthday， comparing with the 100th birthday． But we take every opportunity（ 机会）to celebrate． TIME for Kids came along just a little bit later， in 1995． Soon， we will have our 25th birthday！
We have run our Kid Reporter program for many years． Many kids who took part in the program as a reporter are professional journalist（职业记者）now． While they were working with TFK， they caught some great opportunities， like interviewing political leaders， famous people， Olympic athletes， scientists， and more．
Do you dream of being a reporter？ Come and join us! On March 15， we will hold our annual（一年一度的） competition to find our next group of TIME for Kids Reporters． Editors from TFK will choose 10 best students．
I hope you will have a chance to report for our magazines and websites during the 2019﹣2020 school year．
All the best，
（1）According to the passage， TIME for Kids will have its birthday．
A． 96th
B． 100th
C． 23rd
D． 25th
（2）What will editors from TFK do in their annual competition？
A． Take part in the program．
B． Interview political leaders．
C． Choose 10 best students．
D． Report for their magazines．
（3）How long will the next group of reporters work with TFK？
A． Half a year．
B． One year．
C． Two years．
D． Three years．
（4）Andrea Delbanco is ．
A． a reader
B． an editor
C． a reporter
D． a student
（5）You can find the passage in ．
A．a website
B． a book
C． a novel
D． a diary
On Dec． 28， a small satellite （卫星） was launched （发射） into space from Taiyuan， Shanxi． It was big news for students at Beijing Bayi School． After all， they designed the satellite．
With the help of space scientists， more than 30students built this satellite （12cm long， 11cm wide and 27cm tall）． This is the first satellite designed and built by middle school students in China．
This August， the school worked with the China Center for Aerospace Science and Technology Ingternational Communications （CCASTIC 中国航天科技国际交流中心） and started the satellite program． It allowed space experts to teach students about basic knowledge of satellites．
After several months of hard work， students designed their own satellite． Their main achievement was the design of the satellite's functions （功能） in space． "We worked together and came up with more than 10ideas． But after tests and experiments， we settled on four，" Zhu Xun， 16， told Beijing Evening News．
Indeed， they have to consider the weight of the satellite． The satellite will stay in space more than 180days． Its functions include taking pictures of Earth， radio communication and sending information to Earth． The students hope that the satellite can take photos of smog， typhoons （台风） and another weather conditions．
The students were divided into five groups． The group members worked closely to make satellite models． "Every time we think the satellite we are designing will fly into space， we are so excited and try to do experiments，" said Shen Shulang， 17． They also visited the Chinese Academy of Sciences and other organizations to get inspiration （灵感）．
51． designed the small satellite．
A． Students from Beijing Bayi School
B． Some space scientists
C． Some space experts
52． The satellite can NOT ．
A． take pictures of EarthB． send information
C． predict the weather
53． The underlined words "settled on" means in Chinese．
A． 计算
B． 确定
C． 总计
54． helped the students build the small satellite．
A． The school B． Space scientists C． CCASTIC
55． What's the main idea of this passage？
A． The first student﹣designed satellite was launched into space．
B． Space experts taught the students about the basic knowledge of satellites．
C． Students visited some science organizations to get inspiration．
Is it possible to put millions of years of the world's history into one building？The British Museum seems to think so．
"A history of the World in 100 Objects"，an exhibition about rare and ancient object from the world，has made it a success．
The British Museum says it owns at least 8 million historical objects．But why choose these 100 objects to tell stories of our world's history？
It all started with a challenge（挑战）．
Neil MacGregor，who was once director of the British Museum，was asked by BBC to choose 100 objects from the museum's huge collection day．
MacGregor accepted，and took four years to choose each object himself．
In 2010，MacGregor appeared on BBC radio，giving a detailed（详细的）explanation of each object．The show was a big hit and all these 100 objects were shown in the British Museum．A book with photos of each object soon followed．
"The objects had to cover the whole world，from a cooking pot to a golden galleon，from a Stone Age
tool to a credit card．"MacGregor wrote．
The collection includes many important objects from China．There is a banknote from the Ming Dynasty，showing China as the first country to use paper money．
But it's not just ancient things that are shown．Among them are some modern things like a solar﹣powered lamp and even a throne made of weapons created by an African artist．
"Of course，the collection could only be'a'history of the world． But it is still a history that people in the present world need to know．"MacGregor wrote．
34．"A history of the World in 100 Objects"is a（n）
A．TV programme about Africa
B．challenge of scientific research
C．book about modern development
D．exhibition of the world's history
35．We can learn about the BBC programme by Neil MacGregor was ．
A．successful
B．expensive
C．regular
D．traditional
36．Which of the following is TRUE according to the passage？
A．The objects shown cover half of the world．
B．Neil MacGregor used to be director of BBC
C．China was the first country to use paper money
D．the British Museum owns 2 million historical objects．
37．What does the underlined sentence in the last paragraph mean？
A．There will be another collection of this king soon．
B．The history of the world is too long for us to show．
C．The British history is one part of the world's history．
D．The collection only shows part of the world's long history．
More Chinese universities are opening their libraries to the public，allowing people to enjoy reading during normal time and the vacations．
But for some students，including Wang Ling，21，in Sun Yat﹣sen University，this practice has caused headaches．"Members of the public come to our libraries more for sightseeing than reading，"said Wang．
"They sometimes even bring their kids along，and take photos as if it were a place of interest．"
Wang has found it hard to get a seat during busy times．Being short of space is a common problem for university libraries in China．
However，this is not the only reason why students dislike their libraries being open to members of the public．They fear that the quietness of the libraries will be influenced because of visitors' rude behavior．
Chen Jie，18，a student in Tongji University，is one who would be against opening to the public．"I have been to a public library before．People were chatting loudly or speaking on cell phone so you can hardly read，"Chen said．She notices teachers doing serious reading and feels their concentration（专注） has influenced her．"If too many strangers stay here，the whole library will be a noisy place and it's difficult for us to study quietly，"she said．
Will there be alternative（可替代的） ways to share those libraries？Some experts consider that university libraries can prevent the public from entering certain areas．"We might keep magazines for academic research only for teachers and students，"said Zhu Lina，library director in Jinan University．
Working together with the community library is another solution．"It's possible that a member of the public can order a book in our library over the Internet，"Ge Jianxiong，the library director in Fudan University said．"We'll send it to a public libraries close to their home．"
38．We can see from the passage that Wang Ling ．
A．hates to study in the library
B．prefers sightseeing to reading
C．feels good to play with kids
D．is a university student aged 21
39．In Chen Jie's opinion，visitors to university libraries may ．
A．take up too much space
B．break the peace there
C．make teachers relaxed
D．get students to read more
40．The writer mentions two libraries directors' words to help explain how to ．
A．manage libraries online
B．keep the public polite
C．share university libraries
D．do scientific research
41．Where is the passage most probably taken from？
A．A newspaper．
B．A library guide．
C．A story book．
D．A notice board．
Influenza， or flu（流感）， is a type of virus． It spreads from one person to another quickly． When someone who has the flu coughs or sneezes， little droplets from their lungs （肺） spread out into the air．Anyone nearby can get sick． Even a person who touches something with the virus and then touches his or her mouth， eyes， or nose， can become infected（感染）．
The outbreak of the 1918 influenza infected about 500 million people worldwide． It killed from 20 million to 50 million people． It was first seen in Europe， the United States， and parts of Asia．It then spread quickly around the world． Many people who became sick were young， healthy adults．At the time， no treatments worked in the prevention of the spread of the killer flu． People were ordered to wear masks． Schools， theaters and other public places were closed．
When the first wave（波＞in the spring of 1918 hit， it didn't seem serious． People who were infected felt the usual flu symptoms（症状）， which are chills， fevers， and feeling tired． Those who got sick generally got better after several days． Not many died． However， a second， highly contagious（传染的）wave of influenza appeared in the fall of that same year． Victims died shortly after they were infected ﹣ within hours or days． Their skin turned blue and their lungs were filled with liquid（液体），making it very difficult to breathe．
By the summer of 1919， the flu pandemic（大流行病） came to an end． Sick people had either got well or died． Almost 90 years later， in 2008， researchers announced they'd discovered why the 1918 flu was so deadly． The flu virus inflamed （使…恶化）the lungs， causing them to fill with liquid．
Since 1918， there have been several other influenza pandemics， although none has been quite as deadly．
（1）What information about the 1918 flu is mentioned in the passage？
A． The reason why it was so deadly．
B． The reason why it ended．
C． The change it caused to medical research．
D． The place in which it was last seen．
（2）All the people that were infected with the 1918 flu ．
A． had blue skin that led to their death
B． had touched someone with the virus
C． died as their lungs were filled with liquid
D． had the virus in their bodies that made them sick
（3）Which of the following statements about the 1918 flu is TRUE according to the passage？
A． Wearing a mask was the best way to treat it．
B． A younger person had a lower risk of being infected with it．
C． People expected the coming of its second wave， but couldn't stop it．
D． It was deadlier than any other influenza pandemic in modern history．
"I spent my whole life doing one thing，" Gu Fangzhou once said.Known as "the father of sugar pills （糖丸）"，Gu passed away on January 2，2019.Eight months later，he received a national honorary﹣title （荣誉称号） "the People's Scientist" for his polio （脊髓灰质炎） research.
Gu Fangzhou，a famous medical scientist，was born in June，1926.Gu's family faced a difficult time with the sudden death of his father.He studied hard and finally entered Peking University as a medical student in 1944.After graduation，Gu made the decision to work to help improve public health.
In 1955，polio broke out in Nantong，Jiangsu Province.It paralyzed （使瘫痪） 1，680 people，mostly children aged below seven.It spread to neighboring areas and resulted in 466 deaths.Gu was asked to lead polio research in 1957. "At that time the only way to prevent polio was to invent a vaccine （疫苗），" said Gu.
In 1959 Gu succeeded in developing the first polio live vaccine.Later，he developed the "sugar﹣coated pill" vaccine in the early 1960s.It not only tasted better but was more affordable and easier to keep.To test the vaccine，Gu tried the vaccine in person and later his one﹣month﹣old son was vaccinated.This inspired his team to vaccinate their kids.They became the first group of people in China to try a polio vaccine. "If we don't believe in what we produce，how can others believe in it？" said Gu.
Gradually，the sugar﹣coated polio vaccine was made available in China.It saved millions of people，especially kids，from being disabled.In 2000，the World Health Organization （WHO） announced that China was already a polio﹣free country. "We feel satisfied.I can tell people that I tried my best，and your kids will no longer get polio，" said Gu. "That's all we hoped for. "
（1）What was Gu Fangzhou's age when he passed away？
A.About 89.
B.About 93.
C.About 95.
D.About 96.
（2）Who were the first group of people to try a polio vaccine in China？
①Gu Fangzhou himself.②Gu Fangzhou's partners' kids.
③Gu Fangzhou's parents.④Gu Fangzhou's son.
A. ①②③
B. ①③④
C. ②③④
D. ①②④
（3）Which of the following is Not mentioned in the passage？
A.Gu got married in his twenties.
B.Gu entered Peking University to study medicine in 1944.
C.Since 2000，China has become a polio﹣free country.
D.Gu received a national honorary﹣title "the People's Scientist" after his death.
（4）What is the writer's purpose in writing the passage？
A.To introduce the research about the polio vaccine.
B.To report an important medical invention.
C.To introduce a great medical scientist.
D.To show Chinese polio vaccine to the world.
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