离心式压缩机利用()和()相互作用,提高气体的()和()。
参考答案:叶轮;气体;压力;动能
词汇(10%)
小题1:The _ _(表现) of the students in class shows they like her.
小题1:
小题2:Children under 1.2 m in ___ __(高度) take the train freely in our country.
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小题3:They looked at the car until it _ _(消失) in the darkness.
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小题4:He always _ _(鼓励) us when we failed in the exams.
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小题5:Miss Yang is a good teacher with lots of ___ ___(经验)in teaching.
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小题6:I have come here s to say hello to you.
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小题7:The whole class waited a __________ for the results of the examination.
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小题8:Have a little p___ ____, the bus will come soon.
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小题9:It was reported that a plane crashed near the Indian Ocean, killing all the people on board, i____ _____ 56 passengers.
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小题10:Your composition is good e___ ____ for some spelling mistakes.
小题10:
以下除哪项外,都体现厂阴阳的互根关系
A.孤阴不生,独阳不长
B.阴在内,阳之守也
C.阳在外,阴之使也
D.热极生寒,寒极生热
E.阴损及阳,阳损及阴