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1. —Would you please help me with my homework？
—__________.（ ）
A. Not at all B. Thank you C. My pleasure D. With pleasure
2. —Thank you for the__________ you gave me.
—I am glad they are helpful.（ ）
A. advice B. suggestions C. tip D. information
3. —How are these students getting on with their project work？
—
Pretty well.__________of them enjoys working with the local students.（ ）
A. Either B. All C. Both D. Any
4. ________ Simon has done well in his studies，he still works really hard．（ ）
A. Although B. Because C. Unless D. When
5. David was not listening carefully，so he failed to hear__________.（ ）
A. what the professor said B. how the professor said
C. what the teacher says D. how the teacher says that
6. We talked about the problem and Tim ____ doing some research first．（ ）
A. finished B. enjoyed C. suggested D. practiced
7. The online shop sells children's and men's clothing__________ a very good price.（ ）
A. in B. at C. on D. for
8. —When did you__________ the new watch？
—Well，I__________ it for two weeks.（ ）
A. have bought；have had B. bought；have bought
C. buy；have had D. buy；bought
9. Where is my glasses？ I can't find them __________.（ ）
A. everywhere B. somewhere C. nowhere D. anywhere
10. I spent the last weekend at my office because I had__________ work to do.（ ）
A. a little B. mountains of C. a lot D. a number of
Most polar bears could disappear by the end of the century because of global warming，scientists say.According to a study in Nature Climate Change，the number of most polar bears will （1） ______ rapidly by 2080.There are （2） ______ reasons.One is that the s
ea ice is melting.Polar bears catch seals（海豹）（3） ______ on the ice.（4） ______ ice，they have to stay on land.But there are no（5） ______ food on land to support so many bears.The animals could die from hunger.The other reason is that mother bears may not be fat enough to （6） ______ milk for their babies，so some mother bears could stop （7） ______ .
Polar bears are （8） ______ land animals that eat meat on the planet.They help （9） ______ other kinds of animals.Losing them would break the balance of their living place.
The Arctic（北冰洋） is the （10） ______ to about 25，000 polar bears.Arctic sea ice usually melts in spring and summer，and then grows in winter.But now，the （11） ______ is taking longer to grow back.Scientists say that the Arctic is warming twice as（12） ______ as the rest of the planet.
The study also shows （13） ______ it is possible to slow Arctic melting.Greenhouse gas could lead to （14） ______ change.In order to avoid creating greenhouse gas，the world should try to stop burning coal and riding in cars.
Saving the bears is up to us.Holland，one of the writers of the study，says，"I believe there is hope，but humans need to act（15） ______ to make that hope come true." Let's take action to protect our earth and save polar bears.
11. A. develop B. fall C. increase D. improve
12. A. one B. two C. three D. four
13. A. to play B. eating C. to eat D. be eaten
14. A. Without B. Through C. Across D. Except
15. A. good B. sweet s.b.poloC. delicious D. enough
16. A. protect B. progress C. produce D. prepare
17. A. eating food B. having babies C. sleeping D. playing
18. A. the largest B. the loveliest C. the simplest D. the luckiest
19. A. controlling B. control C. produce D. producing
20. A. room B. family C. house D. home
21. A. sea B. ice C. plant D. animal
22. A. quick B. rapid C. slowly D. fast
23. A. that B. when C. if D. whether
24. A. food B. ice C. climate D. animal
25. A. widely B. clearly C. quietly D. quickly
L
As we all know，environmental pollution is still serious nowadays.Our group wanted to know how many students knew about each kind of the pollution and we wanted to know how often they sorted（分类） rubbish.So we did a survey among the students in our school.Here are the results of our questionnaire（问卷）.
The results of the questionnaire
26. The survey is mainly about ______ .
A. scientific research B. environmental protection
C. everyday habits D. physical education
27. We can know there are ______ parts in the questionnaire.
A. two
B. three
C. four
D. five （3） ______ is known by the fewest students. A.Air pollution B.Water pollution C.Noise pollution D.Global warming （4） ______ have begun to sort rubbish according to the chart（图表）. A.All of the students B.Most of the students C.None of the students D.Some of the students
M
If you are hungry，what do you do？Have your favorite meal and stay quiet after that？Just like your stomach，even your mind is hungry.But it never lets you know，because you
keep it busy thinking about your dream lover，favorite star and so on.If you always think of such meaningless things，your creativity will get a full stop.
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