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【多选题】
核武器爆炸后所产生的杀伤破坏因素包括下面哪几项? A.光辐射A.
冲击波
B.
病毒性感染
C.
核电磁辐射
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【简答题】The following table shows some results of a survey （调查）in which 800 Japanese school pupils were asked to give their impressions（印象）of their classroom teachers. The pupils’ impressions were found to di...
【简答题】The reference for the voltage and current at the terminal of a circuit element are as shown in Figure h.1. The values for V and I are 40V and -10A. Calculate the power at the terminals and state wheth...
【简答题】How many of today's ailments, or even illnesses, are purely psychological? And how far can these be alleviated by the use of drugs? For example a psychiatrist concerned mainly with the emotional probl...
【单选题】If pupils play video games too often,they will become addicted to them, thus________their schoolwork. [ ]
A.
affecting
B.
to affect
C.
affected
D.
having affected
【单选题】In the front of the hall _______ a group of pupils, who were listening to the lecture attentively.
A.
were sitting
B.
sat
C.
sit
D.
was sitting
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