by the beauty of the countryside, the ol_爱下问搜题

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问题选择题

by the beauty of the countryside, the old couple decided to stay another week on the farm.

A．Being attracted

B．Attracted

C．To be attracted

D．Having attracted

答案

答案：B

考查非谓语动词。句意：被乡村的美丽所吸引，这对老夫妇决定在这个农场在呆一个星期。过去分词表示句子主语被动的发生过的动作。和句子主语是动宾关系，结合语境可知选B。

完形填空

At the beginning of this century, medical scientists made an interesting discovery; we are built not just of flesh and blood but also of time. They were        to show that we all have “a body clock”         us, which controls the        and fall of our body energies,        us different from one day to the next.
The        of “a body clock” should not be too        since the lives of most living things are controlled        the 24 hour night-and-day cycle. We feel        and fall asleep at night and become        and energetic during the day. If the 24 hour-cycle is        , most people experience unpleasant        . For example, people who are not        to working at night can find that        of sleep causes them to        badly at work.
      the daily cycle of sleeping and       , we also have other cycles which       longer than one day. Most of us would        that we feel good on some days and not so good on        ; sometimes our ideas seem to flow and at other times, they        do not exist.

D．interesting

D．Rather than

单项选择题

MCH以pg为单位，pg等于( )

A．10^-6g
B．10^-10g
C．10^-12g
D．10^-13g
E．10^-15g