懂英语的大侠们, 帮我看下这道题该选择哪个? 英语阅读题.

来源：学生作业帮编辑：百度作业网作业帮分类：英语作业时间：2024/04/28 23:40:24

懂英语的大侠们, 帮我看下这道题该选择哪个? 英语阅读题.
1.内容:
Studies have shown that cognitive skills and physical performance are (impaired) by sleep debt,but mood is affected more.
选项:
a、strengthened
b、 improved
c、 enhanced
d、 weakened
2.内容:
Yet when their daytime alertness was tested later on, more than 80% were not (optimally) alert.
选项:
a、best possibly
b、 actually
c、 enough
d、 really
3.内容:
For a few minutes he (tapped) the switch after each flash.
选项:
a、touched
b、 painted
c、 pressed
d、 snapped
4.内容:
I believe this "clock-dependent alerting"can often deceive people into thinking they are (sufficiently)meeting their sleep needs.
选项:
a、adequately
b、 poorly
c、 nearly
d、 hardly
5.内容:
Less commonly,they make mistakes with tragic (consequences).
选项:
a、sequence
b、 concern
c、 influences
d、 results
6.内容:
After tracking the group for six years,researchers found that short sleep time had a high correlation with (mortality).
选项:
a、health
b、 death rate
c、 longevity
d、 disease

d/a/c/a/d/

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