热源集中，具有强辐射热源的高温作业，应采取的通风降温措施为（

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问题单项选择题 A1型题

热源集中，具有强辐射热源的高温作业，应采取的通风降温措施为（）

A.全面自然通风

B.局部抽出式机械通风

C.喷雾风扇

D.有组织的自然通风

E.全面的机械通风

答案

参考答案：C

听力题

根据下列句子所给汉语意思，写出空缺处各单词的正确形式。

小题1:______(旅游业) is a big business for small countries like Singapore.

小题2:We measured the _______(长度)and width of the living room.

小题3:I cautiously ________(走近) the house only to find that nobody was there.

小题4:It was _______(体贴的) of you not to play the piano while I was asleep.

小题5:The house was painted green_______(到处).

选择题