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1、In Singapore, a southern Asian country, the Chinese _________ the largest percentage of its population, so you can speak Chinese there．
A．make up
B．take up
C．hold up
D．turn up
2、This article gives us a real _____ into the causes of the present crisis in the world.
A.enquiry B.admission C.insight D.division
3、You can try to guess the meaning of ______ words you don’t know from ______ passage．
A．the; 不填
B．the; the
C．不填;不填
D．不填; the
4、As is reported, it is 115 years______Peking University was founded.
A. when B. before C. after D. since
5、 Obviously he had set up a situation _____ he didn’t have to blame, or even recognize, his own shyness.
A. where B. which C. that D. Whom
6、—— My room gets very cold at night.
—— ____.
A. So is mine B. So mine is
C. So does mine D. So mine does
7、Most of the locals hold the view that great changes ___________ when the new recycling system is introduced.
A.will be bound to occur B.are bound to occur
C.will be bound to be occurred D.are bound to be occurred
8、—How do you get home from ? By bus?
—No, I walk. isn’t very far.
A.school; The school B.the school; The school
C.the school; School D.school; School
9、To tell you the truth, I think it is you, ________ Tim, ________ to blame.
A. more than; who is B. rather than; that are
C. other than; that is D. less than; which are
10、—It’s a beautiful day, isn’t it ?
— Yes, it’s _____ that I’d like to take a walk.
A. so nice weather B. such a nice weather
C. so nice a weather D. such nice weather
11、His new invention is beyond all praise and has quickly occupied the market _____its superior quality.
A．in terms of
B．by virtue of
C．on behalf of
D．on top of
12、He is the only one of the students who ________ America next month.
A．are to visit
B．is to visit
C．is about to visit
D．will be to visit
13、It is unwise of you not to_________ his suggestion. You will regret it sooner or later.
A．adopt
B．adapt
C．survive
D．starve
14、Though Mike’s parents are upset _________ he often broke his promises, the way _________ he cared for that boy made them proud.
A. because; which B. that; which C. when; in which D. because; /
15、--- How much do you know about your mother’s love?
--- To be honest, not until for my 18th birthday, a diary recording the process of my growth my mother loves me so much.
A. did I receive her gift; I realized B. I received her gift; did I realize
C. I received her gift; had I realized D. did I received her gift; I had realized
16、Small trees grow tall by pruning(修剪). _____, a child needs education to become a person
useful to society.
A. Similarly B. Frequently
C. Occasionally D. Eventually
17、There be any difficulty completing the work on schedule since two days is still available.
A. mustn’t B. shan’t
C. shouldn’t D. needn’t
18、Over the last few decades, economic globalization _____ greatly to global growth.
A. had contributed B. has contributed
C. contributed D. contributes
19、The salesman reminded the customers that when using the machine, they needed to refer to the in case of any accidents.
A．expressions
B．directions
C．negotiations
D．explanations
20、A person who often sits, ________ busy he is, should take time out of exercise.
A．no matter what
B．no matter when
C．no matter how
D．no matter which
21、 Over the past 25 years, British society has changed a great deal—or at least many parts of it have. In some aspects, however, very little has changed, particularly where attitudes are concerned. Ideas about social class—whether a person belongs to the “working class” or the “middle class”—are one area in which changes have been extremely slow.
In the past, the working class tended (往往) to be paid less than the middle class such as teachers and doctors. As a result of this and also of the fact that working-class people’s jobs were generally much less secure, differences in lifestyles and attitudes came into existence. A typical working-class man would collect his wages on Friday evening. Then, as was widely believed, having given his wife her “housekeeping,” the man would go out and squander (挥霍) the rest on beer and betting.
The old style of what a middle-class man did with his money was perhaps closer to the truth. He tended—and this is still true today—to take a longer-term view. Not only did he regard buying a house as the most important thing, but he also considered the education of his children as extremely important. Both of these provided him and his family with security. Only in very few cases did workers have the chance (or the education and training) to make such long term plans.
Nowadays, a great deal has changed. In a large number of cases, factory workers earn as much as—if not more than—their middle-class managers. Social security and laws have made it less necessary than before to worry about “tomorrow.” Working-class people seem to be slowly losing the feelings of inferiority (自卑) they held in the past. In fact, there has been a growing tendency (趋势) over the past few years for the middle class to feel slightly ashamed of their position.
The changes in both lifestyles and attitudes are probably most easily seen among younger people. They generally tend to have very similar tastes in music and clothes; they spend their money on having a good time, and save for holidays or longer-term plans when necessary. There seems to be much less difference between groups of people than there were in previous generations.
【1】What is the article mainly about?
A.The gaps between the classes in Britain. B.Some changes about British society.
C.A rough introduction to different classes. D.Various conflicts existing in the UK.
【2】How does the author explain the differences between the two classes?
A.By making a comparison. B.By listing accurate numbers.
C.By using an expert’s words. D.By analyzing cause and effect.
【3】Which of the following aspects remains practically unchanged?
A.Feelings of self-worth. B.Ideas about social class.
C.Job security and income. D.Ideas about entertainment.
22、Poison frogs across Central and South America display some of the brightest colors in the animal kingdom. The way such creatures evolved to be just colorful enough to signal their toxic (有毒的) defense-but not so colorful that they become vulnerable to predators (捕食者) — has long been a grey area for scientists. Initially, predators would not have known that bright colors signal toxicity, and therefore would have eaten, and then become ill-these easily-spotted few members of a species with the colorful mutation (突变). In theory, this should make it virtually impossible for the aposematic (防护色的) pioneers to pass on their genes to their offspring, allowing for the mutation to take hold in the population.
To get to the bottom of this dilemma, Karl Loeffler Henry, a researcher at Carleton University launched the new study. Loeffler Henry’s team pored over data from the family trees of 1,100 species of frogs, newts and salamanders, and categorized them into one of five groups. On one end of range are the creatures with bright blues, yellows and reds. On the other are species that blend in perfectly with their surroundings. Between these poles, the scientists place species with camouflaged (伪装的) tops and colorful bottoms in various degrees. These tend to display their dramatic halves only when trying to defend themselves from predators.
The team used nine different computer models to test the potential evolutionary routes the species in the bright aposematic group might have taken to evolve this way. In the end, the researchers realized that they all kind of followed a similar pattern, evolving from species in the middle of that range, those whose colors are hidden unless in danger.
There have also been other theories proposed, but this new theory presents a mechanism that is likely to play a role in the evolution of anti-predator defense in various prey groups and a wide range of different predators. Possibly, it might inspire the exploration of evolution of warning coloration in other animal groups as well.
【1】What remained unclear to scientists in the past?
A．How the proper shades of the colors are evolved.
B．How these creatures signal their toxic defence.
C．Which colors are better at scaring predators away.
D．Which creatures are at higher risk of being eaten.
【2】What do the underlined words “this dilemma” in paragraph 3 refer to?
A．The predators clearly knew about the toxicity but still feed on them.
B．The first colorful members have bright colors but can avoid predators.
C．The first colorful members were eaten but the mutation was passed on.
D．The predators became seriously ill but their population continued to boom.
【3】What do we know about the new study?
A．The colors of all those species were either bright or grey.
B．The aposematic group evolved by following nine routes.
C．The researchers observed these different species in the wild.
D．The origin of the evolution turned out to be the hidden colors.
【4】What is the last paragraph mainly about?
A．Other theories of the evolution.
B．Other animals’ evolution routes.
C．The drawbacks of the study.
D．The significance of the study.
23、 Lake Tahoe offers some amazing lodging (住宿) options that will fit what you’re looking for.
Harrah’s Lake Tahoe Resort & Casino
It offers convenient (方便的) location, comfortable rooms, and a lot of health clubs to make for an enjoyable vacation. The resort is just a few minutes’ walk from Tahoe’s main ski gondola, and Edgewood Tahoe Golf Course is a short walk. All of the resort’s rooms offer two bathrooms, desks, WiFi availability, coffeemakers, and TVs.
Marriott’s Timber Lodge
Located in South Lake Tahoe, CA, it is just miles from Heavenly Village where guests can enjoy shopping and local area restaurants. The Heavenly Gondola is right outside waiting to take guests for a day of skiing. The lodge features an activity center, restaurant, sauna, whirlpools, fitness center and heated outdoor pool. Guests rooms are villas (别墅) that include a kitchen, high speed internet, coffee maker, sofa and hairdryers in all bathrooms.
Lake Tahoe Vacation Resort — Ski Run Boulevard
It is located in the Sierra Nevada Mountains of South Lake Tahoe, California. The hotel is only minutes from a variety of dining options, and local attractions such as Tahoe Axe Throwing, Wyland Galleries, Van Sickle State Park, and Heavenly Gondola. The shores of Lake Tahoe are just steps away. Hotel facilities (设施) include a sauna, indoor and outdoor pools, and a fitness center.
Resort at Squaw Creek
In 1960 the Winter Olympics was held at Squaw Creek in Olympic Valley, CA. Since this time, Squaw Creek has become a family-friendly resort town. The resort at Squaw Creek is a AAA Four Diamond resort with activities for every age. Young children age 4-12 can take part in rock climbing, board games, snowball fights, or swimming.
【1】What can you do only at Harrah’s Lake Tahoe Resort & Casino?
A.Having an enjoyable vacation.
B.Going skiing conveniently.
C.Having coffee without going out.
D.Playing Golf nearby.
【2】Where can you swim indoors?
A.At Harrah’s Lake Tahoe Resort & Casino.
B.At Marriott’s Timber Lodge.
C.At Lake Tahoe Vacation Resort -Ski Run Boulevard.
D.At Resort at Squaw Creek.
【3】Why does the author use “family-friendly” to describe Resort at Squaw Creek?
A.Because a Winter Olympics was once held at Squaw Creek.
B.Because it is a famous AAA Four Diamond resort.
C.Because travelers can play board games and go rock-climbing here.
D.Because there are various activities for people of all ages.
24、 It was about a year ago when a positive change in a community started.
I was in fifth grade, and at the time I wrote a paper about the migration of the monarch butterfly and received a perfect score. I was so happy. I called my grandmother, Nana, to tell her the exciting news. All of my talk about monarchs evoked memories from Nana’s childhood. “I remember when I was a girl out on the farm,” she said, “those black and orange butterflies were a common sight. But there do seem to be fewer monarchs fluttering (翩翩飞舞) around the neighborhood each summer. Perhaps we should try to find out where they’ve gone.”
Nana and I decided to investigate.
That weekend, Nana met me at the public library and we started our research. Our research produced plenty of information. The best information was this: it doesn’t take lots of money, equipment (设备), or government organizations to save the monarch butterflies; it takes only a little bit of land, and dedicated (专心致志的) people to create what’s called a Monarch Waystation. When I read this, an idea came to mind. “What if we set up our own Monarch Waystation?” I suggested.
“We will need several people to help us!” she replied.
The next week, Nana presented the idea to her garden club; I talked to my friends and neighbors. Nana’s garden club decided to plant a butterfly garden next to the city park. The library put together a display of gardening and butterfly books. The editor of the local newspaper wrote an informative article on how to make our community monarch-friendly. As spring turned into summer, those volunteers also worked to weed (除杂草) and care for the public gardens. We all waited and watched to see whether our plan would work—it did work! Over twenty black and orange butterflies were noticed visiting the Waystations. As summer progressed, the monarchs grew more plentiful.
It happened on a day when the sun was shining and the sky was a deep blue. As monarchs fluttered around us, people laughed and danced; Nana cried tears of happiness. It was truly a meaningful experience.
【1】What does the underlined word “evoked” in Paragraph 2 probably mean?
A.Made up. B.Took away.
C.Showed off. D.Brought back.
【2】What made Nana want to carry out research on the monarch butterfly?
A.The author’s personal wish.
B.The beauty of the monarch butterfly.
C.The author’s good performance in school.
D.The drop in numbers of the monarch butterfly.
【3】What can we know about the Monarch Waystation?
A.It should be built in a park.
B.It can be created and used easily.
C.It needs continued support from the government.
D.It is the best way to protect the monarch butterfly.
【4】How did the author’s monarch project impact the community?
A.It caused the community to miss the past.
B.It organized the community around a purpose.
C.It taught the community to use the public library.
D.It informed the community about gardening practices.
25、The two teachers were sitting in the teacher’s room. For a moment there was_______. Then one of them, Miss Smith said “I’m afraid I’d have to_______him.”
“Now, Alice,” said her friend Mrs. Jackson, “is he such a terrible student?”
“That’s just the_______,” the other woman replied. “Tom is my best student. The problem is that he’s now so lazy that he never gets_______done. He hasn’t handed me_______of his homework for three weeks and I’d be surprised_______he did now.”
_______before had Mrs. Jackson seen Miss Smith look so unhappy. “Have you_______with him about it?” she asked.
“Why should I? He knows he has to prepare his lessons and do his homework. I_______that clear the first day for class. When the course started , he did so________that I considered asking the________to give him a scholarship (奖学金). But now he even________in class! I’ve never seen such a________in a student.”
“You should have a________with him. Give him a chance to tell his side of story.”
Miss Smith spoke to Tom and________all about it. He was studying all day and________most of the night in a factory to pay for his education. Of course he was tired in the________and sometimes could hardly keep________Miss Smith soon arranged for him to have a________and he was able to give up his________and concentrate (集中精力) on his studies .
【1】A.distance B.silence C.pleasure D.delight
【2】A.fail B.teach C.beat D.tell
【3】A.lesson B.thing C.trouble D.boy
【4】A.homework B.housework C.cleaning D.washing
【5】A.some B.plenty C.any D.lots
【6】A.even B.if C.though D.when
【7】A.Long B.Until C.Ever D.Never
【8】A.quarreled B.talked C.dealt D.discussed
【9】A.said B.thought C.required D.made
【10】A.quickly B.often C.much D.well
【11】A.school B.class C.others D.parents
【12】A.talks B.sleeps C.laughs D.walks
【13】A.matter B.change C.habit D.way
【14】A.lesson B.look C.talk D.meeting
【15】A.studied B.got C.learned D.understood
【16】A.sleeping B.working C.spending D.staying
【17】A.morning B.afternoon C.evening D.night
【18】A.silent B.clean C.warm D.awake
【19】A.scholarship B.room C.teacher D.position
【20】A.education B.sleep C.job D.pay
26、由于疫情（Covid-19）原因，你所在国际学校原定下周举行的生命科学周将改为网上进行。你受学生会委托写一则英文通知，内容包括：
1.变更原因；
2.具体活动；
3.期待参与。
注意：
1. 词数100左右：
2. 可以适当增加细节，以使行文连贯。
Notice
May 18, 2020
Life Science Week
_____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
The Student’s Union
邮箱： 