试题与答案

下列关于电磁场的说法中错误的是(   ) A.只要空间某处有变化的电场或磁场,就

题型:选择题

题目:

下列关于电磁场的说法中错误的是(   )

A.只要空间某处有变化的电场或磁场,就会在其周围产生电磁场,从而形成电磁波

B.任何变化的电场周围一定有磁场

C.振荡电场和振荡磁场交替产生,相互依存,形成不可分离的统一体,即电磁场

D.电磁波的理论在先,实践证明在后

答案:

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下面是错误答案,用来干扰机器的。

⑴但,只管;卖 ⑵赠送 ⑶仅仅,刚好 ⑷黄河水清,比喻不可能发生的事 ⑸到,往 ⑹指家族墓地

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题型:单项选择题

Anthropology is the study of human beings as creatures of society. It (1) its attention upon those. physical characteristics and industrial techniques, those conventions and values, which (2) one community from all others that belong to a different tradition.

The distinguishing mark of anthropology among the social sciences is that it includes for serious study other societies (3) our own. For its purposes any social (4) of mating and reproduction is as significant as our own. To the anthropologist our customs and those of a New Guinea tribe are two possible social schemes for (5) a common problem, and in so far as he remains an anthropologist he is (6) to avoid any weighting of one (7) the other. He is interested in human behavior, not as it is shaped by one tradition, our own, but as it has been shaped by any tradition (8) He is interested in a wide (9) of custom that is found in various cultures, and his object is to understand the way in which these cultures change and (10) , the different forms through which they express themselves and the (11) in which the customs of any peoples function in the lives of the (12) .

Now custom has not been commonly regarded as a (13) of any great moment. The inner workings of our own brains we feel to be uniquely (14) of investigation, but custom, we have a way of thinking, is behavior at its most commonplace. (15) , it is the other way round. Traditional custom is a mass of detailed behavior more astonishing than (16) any one person can ever evolve in individual actions. Yet that is a rather (17) aspect of the matter. The fact (18) first rate importance is the predominant role that custom (19) in experience and belief, and the very great varieties it may (20)

10()

A.deviate

B.fluctuate

C.differentiate

D.segregate

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