题目内容

What do the examples of watch show?

A. Normally people are quite familiar with the ageing process.
B. All animals and other organisms undergo the ageing process.
C. The law of thermodynamics functions in the ageing process.
D. Human's ageing process is different from that of mechanisms.

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What does the passage say about the shift from the role of husband to that of father?

A. Numerous books have been written about it.
B. Not enough attention has been paid to it.
C. The shift is harder for men than for women.
D. The shift is a difficult but incomplete one.

The writer mentioned all the following benefits of tourism in Athens for Athenians EXCEPT

A. offering job opportunities to Athenians.
B. enriching Athenians by providing accommodation for tourists.
C. enabling Athenians to improve the infrastructures.
D. making Athenians proud of their ancestors.

The passage indicates that

A. mothers get more attention and recognition from society.
B. mothers are innovative and demanding according to some writers.
C. mothers generally stay at home to take care of the children.
D. mothers should help fathers in their reconciliation process.

Strangely, some people find that they can smell one type of flower but not another,【39】others are sensitive to the smells of both flowers. This may be because some people do not have the genes necessary to generate【40】smell receptors in the nose. These receptors are the cells which sense smells and send【41】to the brain. However, it has been found that even people insensitive to a certain smell【42】can suddenly become sensitive to it when【43】to it often enough.
The explanation for insensitivity to smell seems to be that the brain finds it【44】to keep all smell receptors working all the time but can【45】new receptors if necessary. This may【46】explain why we are not usually sensitive to our own smells—we simply do not need to be. We are not【47】of the usual smell of our own house, but we【48】new smells when we visit someone else's. The brain finds it best to keep smell receptors【49】for unfamiliar and emergency signals【50】the smell of smoke, which might indicate the danger of fire.
(32)

A. although
B. as
C. but
D. while

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