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问题 填空题

图中给出的是用螺旋测微器测量一金属薄板厚度时的示数，此读数应为 mm．

答案

螺旋测微器的固定刻度读数为6mm，可动刻度读数为0.0112.4mm=0.124mm，所以最终读数为6.124mm（6.123--6.125也可以）

故答案为：6.124（6.123--6.125）

单项选择题

关于产后出血的定义，下列哪项是正确的()

A．分娩过程中，出血量>500ml

B．胎儿娩出后，24小时之内 * * 流血>500ml

C．胎儿娩出后， * * 流血>500ml

D．胎盘娩出后， * * 出血>500ml

E．产后24小时后到产后42天， * * 流血>500ml
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单项选择题

There is a difference between science and technology. Science is a method of answering (1) questions; technology is a method of solving practical problems. Science has to do with discovering the facts and relationships between (2) phenomena in nature and with establishing theories that (3) to organize these facts and relationships; technology has to do with tools, techniques, and (3) for applying the findings of science. Another (5) between science and technology has to do with the progress in each.

Progress in science (6) the human factor. Scientists, who seek to understand the universe and know the truth within the highest degree of (7) and certainty, cannot (8) their own or other people’s likes or dislikes or to popular ideas about the fitness of things. What scientists discover may shock or (9) people-as did Darwin’s theory of evolution. But even an unpleasant truth is (10) than likely to be useful; besides, we have the choice of refusing to believe it! But (11) so with technology; we do not have the choice of refusing to hear the sound produced by a supersonic aircraft flying overhead; we cannot refuse to breathe polluted air. (12) science, progress in technology must be measured (13) the human factor. The purpose of technology is to serve people—people (14) , not merely some people; and future generations, not merely those who presently wish to (15) advantage for themselves.

We are all familiar with the (16) use of technology. Many people blame technology itself (17) widespread pollution, resource depletion (枯竭) and even social decay in general—so much (18) the promise of technology is " (19) " That promise is a cleaner and healthier world. If wise applications of science and technology do not (20) a better world, what else will

4（）

A.procedures

B.facilities

C.proceedings

D.apparatuses
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