We learn from the passage that pathological fatigue happens when _________.

A．you have to be in two places at once

B．the cells are subject to an excessive burden

C．the body is free from diseases

D．you are involved in too many activities

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参考答案

【定位】根据题干中的pathological fatigue将本题出处定位于第3段。
【解析】B.。第3段第3和第4句提到，细胞负担过重，……结果就会出现疲劳。B.与原文意思相符.A.和D.是针对第3段第l句设的干扰项；文中第二种疲劳正是由疾病引起的，故C.与原文意思相反。

1 How does the author see pathological fatigue?

A．Some pathological fatigue is good for people.

B．Everyone is vulnerable to pathological fatigue.

C．Pathological fatigue needs no medical attention.

D．Pathological fatigue harms people psychologically only.

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2 Which of the following statements is true about psychological fatigue?

A．Psychological fatigue happens to those involved in war.

B．Rest is the only solution for psychological fatigue.

C．Physically healthy people do not suffer from psychological fatigue.

D．Physical labor can get some people out of psychological fatigue.

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3 What is the main topic of this passage?

A．The consequences of fatigue.

B．The reason why people need rest.

C．The dangers of fatigue.

D．Types of fatigue.

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