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问题 多项选择题

出租单位出租的建筑起重机械和使用单位购臵、租赁、使用的建筑起重机械应当具有（）。

A.特种设备制造许可证

B.合格证

C.制造监督检验证明

D.准用证

E.产品合格证

答案

参考答案：A, C, E

填空题
用所给词语的适当形式填空，使短文正确、通顺、连贯。（每词限用一次）
hear, took, grew, healthy, slowly, himself, something, operation, to help, sad

     James was a boy. He was different from other children. He did everything 1             . His parents did
not know what was wrong. So they went to the doctor's. The doctor found that the boy could not see 2             .And he said that he could do nothing 3              him. James' parents were even 4             .
     James 5              big as time went on. He was 6              and happy. But he could not look after
7             . One day his parents 8              that there was a good doctor in a town. They 9              the
boy to see him. The doctor did a small 10              and James could see clearly. How happy everyone
feels!

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判断题

逆变器是一种将直流电能变为交流电能的装置。
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