题目内容

【B6】consistently has been associated with the varying amount, quality, and pattern of electrophysiologically defined sleep. The newborn infant may spend an average of about 16 hours of each 24-hour period in sleep,【B7】the sleep time drops sharply; by two years of age, it may【B8】from nine to 12 hours. Decreases to approximately six hours have been observed among the elderly.
【B9】will be discussed from below, EEO sleep studies have indicated that sleep can be considered to consist of several different stages. Developmental changes in the relative proportion of sleep time【B10】in these sleep stages are as striking as age-related changes in total sleep time.
【B1】

As
B. Despite
C. While
D. Whether

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Colleague A: Cigarette？ Colleague B: No, thank you. I've given up smoking. Haven't had one

A. Well, you don't mind if I have one, do you？
B. OK. Go ahead and do it.
C. All tight. Take care!
D. Sorry, have another one then.

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It can be inferred from the passage that the drop in Amtrak rider ship was due to the fact

A. trains were not suitable for short distance passenger transportation
B. trains were not the fastest and most convenient form. of transportation
C. trains were not as fast and convenient as they used to be
D. trains could not compete with planes in terms of luxury and convenience

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What should a tenant do if he is worded about the security of his home？

A. Fit new locks on all the doors.
B. Discuss the matter with the owner.
Complain to the police.
D. Increase his own insurance.

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对诊断阻塞性通气功能障碍最有价值的指标是E．

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As B. Despite C. While D. Whether

Colleague A: Cigarette？ Colleague B: No, thank you. I've given up smoking. Haven't had one

It can be inferred from the passage that the drop in Amtrak rider ship was due to the fact

What should a tenant do if he is worded about the security of his home？

对诊断阻塞性通气功能障碍最有价值的指标是E．

As
B. Despite
C. While
D. Whether