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问题 选择题

1929~1933年经济危机的特点有

①范围特别广 ②持续时间特别长 ③破坏性特别大 ④深刻影响国际关系

A．①②③④

B．①②③

C．①②

D．②③④

答案

答案：A

本题的选项是在教材内容的基础上高度概括出来的，考查理解、概括问题的能力。

单项选择题

As the pace of life continues to increase, we are fast losing the art of relaxation. (1) you are in the habit of rushing through life, being on the go from morning till night, it is hard to (2) down. But relaxation is (3) for a healthy mind and body.Stress is a (4) part of everyday life and there is no way to (5) it. In fact,it is not the bad thing that it is often supposed to be. A (6) amount of stress is important to provide motivation and give (7) to life. It is only when the stress gets out of control (8) it can lead to poor performance and (9) health.The amount of stress a person can bear(10) very much on the individual. Some people are not afraid of stress, and such (11) are obviously chief material for managerial responsibilities. Others lose heart at first (12) of unusual difficulties. When exposed to stress, in (13) form, we react both chemically and physically. In fact we (14) a choice between escape and fight. But in more ancient days they made the (15) between life and death. The crises (危机)we meet today are (16) to be so extreme,but however little the stress,it requires the same response. It is when such a reaction (17) long，through continued exposure to stress，that health becomes (18) ．Such serious conditions as high blood pressure and heart diseases have (19) links with stress． (20) we canno! remove stress from our lives we need to find ways to deal with it．It would be unwise to do so even it we could．So what do you think of stressWhat is your way to deal with it.

第（1）空应选择（）

A．When

B．While

C．Once

D．As
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判断题

水是最常用的灭火剂，主要作用是降低着火物的温度，可以用于扑灭任何火灾。
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