听第10段材料，回答第17至20题。

17.How long should a young child sleep a day according to the International Sleep Foundation?

A.Over 10 hours        B. Over 9 years          C. Over 8 years

18.How many young child did the researchers monitor a week?

A.About 300                B. About 400            C. About 200

19.What did the researchers find?

A.Most of the children slept only eight hours.

B.Some fat children slept irregularly.

C.Few children slept enough hours.

20.What advice did the researchers give?

A.Making up lost sleep on the weekends.

B.Sleeping regularly and enough hours.

C.Sleeping comfortably in a dark environment

第二部分：词汇知识运用（共两节，满分30分）

第一节：多项选择（共10小题；每小题1分，满分10分）

从A、B、C、D四个选项中，选出可以填入空白处的最佳选项，并在答题卡上将该项涂黑。

21.In China, a middle school’s success was _____ in terms of the number of students who got into university.

A. measured          B. conquered          C. negotiated          D. implied

22.The company takes too _____ a view of possible export markets, thus limiting it’s development in the international trade.

A. narrow         B. optimistic          C. sensible           D. independent

23.According to police _____, Mr. and Mrs. Hunt were found dead on the floor of their kitchen.

A. appointments       B. accounts         C. agreements           D. assistance.

24. I don’t prefer to live in Sanya. Though the sea food is delicious, the damp weather there doesn’t ________ my rheumatism(风湿)。

A. agree with         B. agree to          C. agree on           D. agree about

25. As there is less coal and oil, scientists are exploring new ways of making use of _____ energy, such as sunlight, wind, and water for power and fuel.

A. primary         B. alternative         C. instant        D. unique

26. Having signed the agreement on the ceasefire, both sides have _____ it. In other words, neither of the two sides have broken the agreement so far.

A. ignored               B. assessed         C. obtained          D. observed

27.The reason why the government decided to put off the plans to build a new airport was that the plan met with fierce _____ from local farmers.

A. observation        B. argument        C. disagreement         D. opposition

28. When it comes to my preference for entertainment in the spare time, I prefer gardening to parachuting, because the latter is a dangerous _____.

A. occupation         B. career            C. movement          D. devotion

29. As I grew up in a small town at the foot of a mountain, the visit to the village _____ scenes of my childhood.

A. called up          B. called for          C. called on          D. called in

30. As is known to us all, success usually results from diligence while laziness and copying others _____ can lead to losses and failure.

A. blindly       B. automatically         C. awfully            D. annually
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