问题
填空题
小汽车已经进入千家万户。作为汽车发动机的汽油机,一个工作循环是由四个冲程组成的。在压缩冲程中,___________能转化为__________能。
答案
机械;内
小汽车已经进入千家万户。作为汽车发动机的汽油机,一个工作循环是由四个冲程组成的。在压缩冲程中,___________能转化为__________能。
机械;内
完形填空。 | ||||
A shopkeeper closed his shop in the evening and went home. He was very 1 , but just as he went to 2 , the telephone rang. A man's 3 said, "What time do you open your shop, sir?" The shopkeeper was 4 about the phone call. He did not answer it and went 5 to bed. A few minutes later, the telephone 6 . He got up and went to pick up the phone and found that 7 was the same man asking the same question. The shopkeeper angrily answered,"You needn't ask me that for (因为) I 8 tonight. It's late." " 9 , I want to go 10 ," the man said. | ||||
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