问题
单项选择题
最简单的机器包含有()机构,如电动机、鼓风机。
A、4个
B、3个
C、2个
D、1个
答案
参考答案:D
最简单的机器包含有()机构,如电动机、鼓风机。
A、4个
B、3个
C、2个
D、1个
参考答案:D
阅读下面对话,从方框内选项中选择5个最恰当的句子完成此对话。(其中有2项是多余的) A: Linda, are you free tomorrow evening? B: 小题1:? A:Why not go to the movies? B: 小题2:I like seeing movies very much. A: 小题3: B: Well,I like comedies because they are funny. What about you? A:I like them.too.I hear Mr. Bearl is on.小题4: B:Sure.Let's meet at six o'clock tomorrow Evening. A: 小题5: A:OK.See you tomorrow evening. B: See you.
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