C.a person’s sleep has nothing to do with his/her appetite
D.a study about sleep and obesity was carried out at the University of Chicago
39.The chemical that makes us feel hungry is called ________.
A.ghrelin B.leptim
C.cannabis D.endocannabinoids
40.This article is mainly about ________.
A.researchers working on people’s sleep
B.how people’s sleep influences their appetite
C.how much people need to eat after sleeping less
D.A research about chemicals in the blood of people
非选择题(共50分)
四、填空(共15小题;每小题1分,满分15分)
A)根据括号中所给的汉 语写出单词,使句子意思完整正确,并将答案填写在答题卡标号为41—45的相应位置上。
41.Look! The students are practising hard to ▲ (准备) for the PE exam.
42.Leonardo DiCaprio ▲ (成功地) won his first Oscar for his leading role in movie "The Revenant".
43.The ▲ (行星) Mars is considered to have air which is very similar to that on the earth.
44.Many factories have moved away from the ▲ (北部的) part of Nanjing to reduce the pollution.
45.With the development of public transport, we can get to the other side of the Yangtze River quickly ▲ (通过) the tunnels connecting the two sides.
B)根据句子意思,用括号中所给单词的适当形式填空,并将答案填写在答题卡标号为46—50的相应位置上。
46.—Do you know the ▲ (high) of the Greenland Square Zifeng Tower?
—About 450 meters.
47.After waiting for two hours, passengers were becoming ▲ (patient).
48.In high schools, all ▲ (Canada) students take part in a very exciting activity called "Take Your Children to Work Day".
49. ▲ (compare) the different effects of mobile phones on teenagers , our teacher made a survey among us.
50.The ▲ (art) painting style was so special that all the people at the show could not
help discussing his painting excitedly.
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