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问题 选择题

打破经典物理学的绝对化思维，为人们辩证地看待世界提供途径的科学成就是

A．自由落体运动规律的提出

B．相对论的提出

C．量子理论的提出

D．万有引力定律的提出

答案

答案：B

题中的“绝对化思维”指牛顿力学的绝对时空观，突破这一时空观的是相对论。

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（19）空应选择（）

A．established

B．achieved

C．found

D．developed
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单项选择题

资产支持证券买卖交易中，（）是指达成资产支持证券成交的券面总额的变动单位。

A.最大显示券面总额

B.成交券面总额变动单位

C.券面总额

D.每百元本金额
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