20．Monthly active users of WeChat.a popular social networking App run by Internet Tencent Holdings L——青夏教育精英家教网—

20．Monthly active users of WeChat，a popular social networking App run by Internet Tencent Holdings Ltd，rose to 889million last year，up 28 percent year-on-year，according to a report on Thursday．
The report said the number of active WeChat users last year helped directly drive 174.3 billion yuan of information-sector（信息产业）spending，an increase of 26.2percent on the previous year．
The government has urged to expand consumption to create new sources（来源）of economic growth and to help drive industry upgrading．
The report added that the popular message App，which provides a wide range of services，created jobs for 18.81million people in 2016，up 7.7 percent year-on-year．
It found that the percentage of older WeChat users gradually increasing．Those aged over 55using voice messages accounted for 22 percent of the total，while their average length of time spent on audio and video calling service reached 82 minutes，higher than other groups of users．
The report also found that WeChat has quickened the transmission（传送） of information，changed people's paying habits because they only need to take their mobile phones when going out to shop，and create the channels with which people get information．
Ma Shicong，an analyst at Beijing-based Internet Consultancy Analysis，said："WeChat has accumulated a large number of faithful users by providing various services，from instant messaging，information to mobile payments．WeChat helps make lives easier and more convenient．"
The report also showed the WeChat official accounts were favored by users，with 36.1percent of them following or subscribing to accounts related to in news and information．

21．What's the desire of the government according to the text？A
A．To expand consumption．
B．To create more jobs．
C．To support WeChat App．
D．To balance spending．
22．Who uses voice messages most frequently？D
A．The youths．
B．The analysts．
C．Shop owners．
D．The aged．
23．How does WeChat win its faithful users？C
A．By subscribing to the official accounts．
B．By creating mobile payments．
C．By offering varieties of services．
D．By sending in news and information．

17．It was an exciting day when Thomas Finger looked inside the nose of a small black mouse．Finger had borrowed the animal from another scientist．It was not your average mouse．The mouse's genes had been changed so that the taste buds（味蕾） on its tongue turned green when you shined light on them-like a secret message written in secret ink．
But no one had ever looked inside its nose．When Finger finally did look there with a microscope，he saw thousands of green cells．"It was like looking at little green stars at night，"says Finger，
Seeing that green starry sky was Finger's first glimpse of a new world．If he and other scientists are right，we don't taste things just on our tongues．Other parts of our body can also taste things-our nose，our stomach，even our lungs!
You might think of taste as something that you experience when you put chocolate in your mouth-or chicken soup，or salt．But for you to taste chocolate or chicken soup，special cells on your tongue have to tell the brain that they detected chemicals that are in the food．We have at least five kinds of these chemical-detecting cells （commonly called taste cells） on our tongues：cells that detect salt，sweet mixtures，sour things，bitter things and savory（香的） things like meat or broth．
It's these chemical-sensing cells that scientists are now finding all over the body．"I'll bet you that in terms of total number of cells，"says Finger，"there are more[taste cells]outside the mouth than inside the mouth．"
This gives us clues about other functions the sense of taste has in our bodies．It could also help scientists find new treatments for certain diseases．

33．In which way is Finger's mouse different from a common one？B
A．Its nose has chemical-detecting cells．
B．Its tongue can change color．
C．Its tongue has more taste cells．
D．Its nose is green．
34．What Finger saw inside the mouse's nose is．C
A．a kind of cell detecting salt
B．a kind of gene like a star
C．a surprising finding
D．a secret message
35．From the passage，we may conclude that Finger's finding．A
A．helps find more functions of the sense of taste
B．helps find more functions of the tongue
C．will cause quarrels among scientists
D．will prevent some diseases．

16．When asked，he said the years of peace were _________ everyone could lead a happy life．（　　）

A．

15．假如你是李华，你远在美国工作的叔叔想要回国发展，来信向你询问家乡的情况．请你给他写一封回信，要点如下：
1．家乡的变化（街道、绿化、建筑）；
2．存在的问题（环境、交通）；
3．希望他为家乡做贡献．
注意：
1．词数100左右；
2．可以适当增加细节，以使行文连贯；
3．开头语已为你写好，不计入总词数．
参考词汇：做贡献make contributions to
Dear uncle，
I'm glad to hear that you will come back to our homeland for development．I think it's a great idea to build our hometown．
Great changes have taken place in our hometown over the last few years．The streets and roads which used to be narrow are wider and cleaner now and there are trees and flowers growing along the sidewalks．More and more tall buildings are being built．However，during the course of creating a more modern city，some problems appear，such as water and air pollution and heavy traffic in rush hours．Our city government has realized these problems and has taken measures to solve them．I think everyone should do something to make our country more beautiful．
I hope you will make great contributions to our hometown after you come back．
Yours sincerely，
Li Hua．

14．假定英语课上老师要求同桌之间交换修改作文，请你修改你同桌写的以下短文．短文中共有10处错误，每句中最多有两处．错误涉及一个单词的增加、删除或修改．
增加：在缺词处加一个漏字符号（∧），并在此符号下面写出该加的词．
删除：把多余的词用斜线（\）划掉．
修改：在错的词下划一横线，并在该词下面写出修改后的词．
注意：1．每处错误及其修改均仅限一词；
2．只允许修改10处，多者（从第11处起）不计分．
Dear members，
It is a great honor to speak here for our English club，which was formed two month ago．I'm also gladly that our club has held series of activities including offering services to the visitors to the Expo．As the Expo received a great many of visitors，it required helpers with a good command of English．On hearing the call，all members devote all their time to serve others．Not only did many improve his basic skills but improved communication between Chinese but western people．
I believe future activities will be organizing to make our club more attract．

13．Spring soccer season is under way，and many youth leagues are playing under new safety rules．In November，the US Soccer Federation said that players on its teams who are 10or younger are no longer allowed to head the ball．Players ages 11to 13have limits on how often they can practice heading．The new rules are made to prevent kids from getting concussions（脑震荡）-injuries caused by a blow to the head that shakes the brain．Common problems include headaches and dizziness．Severe concussions can lead to long brain damage．
Heading the ball can be one of the riskiest parts of soccer．Sometimes the force of hitting the ball with their heads gives players concussions．But more often，players receive concussions when they accidentally knock heads with other players and hit their heads on the grass．"More concussions happen during the act of heading than any other action in soccer，"explains Dr．Robert Cantu，an expert on brain injuries．
So far，the new rules are made only to teams that are part of the US Soccer Federation．But the group says it hopes other leagues will soon follow its example．
Former US soccer star Brandi Chastain is one of the leaders of the activity to ban heading in Youth soccer．She applauds the rule change．Last month，Chastain showed her determination of learning more about the effects of heading when she promised to donate her brain to science after she dies．
"If there's any information to be gathered on the study of someone like me，who has played soccer for 40years，it feels like my responsibility，"Chastain told The New York Times．

29．What can we learn from the first two paragraphs？C
A．Players needn't take the risk of heading the ball in soccer．
B．All of the players'headaches result from hitting heads on the grass．
C．The act of heading can cause more concussions than other actions in soccer．
D．Players must receive concussions when knocking heads with other players．
30．What is Brandi Chastain's attitude towards the new safety rules in playing soccer？B
A．Unconcerned．B．Positive．C．Negative．D．Doubtful．
31．From the text，we can learnC．
A．Brandi Chastain suffers from very severe concussions
B．concussions caused by heading the ball can not be healed
C．Brandi Chastain is willing to devote herself to the safety of soccer players
D．the new rules in soccer have been carried out among all of the American leagues．

12．In a time when ivory poaching（偷猎）has gotten so bad that it threatens to wipe out several animal species，a young Dutch designer is creating"egalitarian（平等主义）jewelry"made of our very own ivory-teeth．
Lucie Majerus got the idea for her"human ivory"collection after having her wisdom teeth removed．She kept them and soon realized they would make great material for a jewelry collection．"Why wouldn't we value our own material instead of the precious material from other species？And what if we mine our own ivory and turn it into pearls？"she asks．
Her own teeth became a ring，but in order to create a whole collection，she needed more material，and since having more of her teeth removed wasn't a very pleasant choice，she asked her dentist to save his patient's unwanted teeth．Most people choose not to keep their pulled teeth，so they are usually donated to dentistry schools．Majerus also received the lost teeth of two of-her teachers at Design Academy Eindhoven，so she had a nice supply of human ivory to experiment with．
To turn human teeth into attractive pieces of jewelry，Lucie Majerus first bleaches（漂白）them，and then uses a stone polishing machine to shape the teeth into various shapes．
Majerus displayed her human ivory jewelry collection at this year's Dutch Design Week，and claims that people's reaction was mostly positive．"Surprisingly，most people aren't frightened at the sight of the jewelry，but really like the idea，"Majerus told Fast Co Design．"Some regret that they didn't keep their tooth at the dentist and some，who will have teeth taken out soon，are now looking forward to it．"

25．When did Majerus get the idea of collecting human ivory？D
A．After she bought a ring．
B．Before her wisdom teeth appeared．
C．Before she was lacking in pearls．
D．After her wisdom teeth were pulled out．
26．Seeing Majerus's human ivory jewelry collection，most people feltB．
A．frightened B．interested C．sad D．curious
27．It can be inferred from the text thatC．
A．Majerus is the first woman to create jewelry using human teeth
B．other species'teeth are more precious than human teeth
C．most people don't like keeping their pulled teeth at home
D．Majerus's teachers objected to her experiments with teeth
28．What may be the best title for the text？B
A．Elephants and Ivory
B．Human Ivory Jewelry
C．A Designer Removed Her Teeth
D．The Weakenesses of Human Teeth．

11．Asian children are becoming increasingly under-nourished or obese，a new report says．The United Nations Children's Fund （UNICEF） and the World Health Organization （WHO） joint report was released Monday．The two agencies call for better regulation of junk food and a limit on sugary drinks for children．They also call for action against malnourishment，because a lack of food has prevented children who live in poverty growing normally and healthily-or rather，hurt their development．
Dorothy Foote is a UNICEF regional nutritional specialist．She said the lack of food affects children's height and development inside their bodies．But at the same time，the area is facing"skyrocketing"levels of overweight children．
The main reason for the food problems，the report says，is there is more"junk"food available，food that does not provide nutrition．Another problem is drinks with high sugar or high trans-fat，but low nutritional value．Lack of physical activity is also part of the problem，the report says．
Foote said this is seen in nutrition across the area．She said people lack knowledge about what is needed and normal for healthy child development．
The economic growth in the area has brought"unhealthy products"to rural areas．Poor and middle-class families buy them and do not make"the right choices to use healthier foods instead．"Poor feeding practices，especially for children younger than two，mean ongoing high levels of undernourishment．
The report says governments need to regulate the marketing of junk food and sugary drinks to children．It also calls for better feeding practices for infants and young children，and treatment for severely malnourished children．And it says countries should work to reduce poverty and make sure that girls stay in school．

32．The underlined word"malnourishment"in the first paragraph can be replaced byB．
A．bad education B．poor nutrition C．poor family D．expensive food
33．The causes of Asian children's being hungry and overweight are the following expectD．
A．more junk food available
B．drink with high sugar or high trans-fat
C．lack of physical activity
D．bad food provided in the school dinning hall
34．Which group are influenced worst by poor feeding practices according to the text？B
A．Primary school students．
B．Children under two years old．
C．Children in rural areas．
D．Children in poor families．
35．What's the best title for the text？C
A．The reasons for children's being hungry．
B．Why do children in Asia become overweight？
C．Asian children are facing hunger or obesity．
D．How to stop children from being overweight．

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