当主轴瓦下瓦更换超过（）时，或更换曲轴时，应严格要求选瓦，测量主轴瓦孔径，组装曲轴。

One day a rich man meets Tom. The rich man asks, “People say you are very clever(聪明的) and nothing is difficult(困难的) for you. Can you tell my why you are so clever? ” Tom answers with a smile, “Oh, I’m not clever. Instead(反而) , you are too foolish.” The rich man becomes very very angry.

Tom says, “Sir, please don’t be angry. If you don’t believe me, now let me ask you a very easy question: If you have a group（群）of sheep(绵羊), I send you another group. Then, you say, how many groups of sheep do you have?”

“Why! That’s the easiest question in the world. One and one is two. Anybody knows that. I have two groups of sheep , of course.”

Tom laughs and says, “You are wrong , Sir. Two groups of sheep put together is still one group. That’s the easiest question in the world , isn’t it?”

小题1:People say Tom_____________.

A．is very clever

B．has good eyes

C．is very strong

D．is very helpful小题2:The underline word “foolish” means “_____________”.

A．矮小的

B．愚蠢的

C．性急的

D．高傲的小题3: The rich man becomes angry because ___________.

A．he is hungry

B．Tom is not friendly to him

C．Tom hits(打) him

D．he loses a sheep小题4:The underline word “that” in Paragraph 3 refers to _____________.

A．the rich man

B．Tom is very clever

C．the easiest question in the world

D．one and one is two小题5: From the story we know that______________.

A．the rich man is very clever, too.

B．one and one is always two.

C．in fact one and one is not always two

D．Tom is as clever as the rich man

下列句子中加粗的成语使用错误的一项是 [ ]

A.看到浩浩荡荡的长江一泻千里，气势磅礴，我们的心胸变得更加开阔。

B.2011年7月16日至21日在包头成功举办了全国第十一届中学生运动会，运动会期间，包头街道上摆满了怒放的一串红，放眼望去，真是姹紫嫣红，美不胜收。

C.黄河是中 * * 文化的发祥地，她惊涛拍岸，掀起万丈狂澜，浊流婉转，结成九曲连环。

D.2011年9月10日，湖南湘潭51人黑社会团伙受审，案情虽然扑朔迷离，但警察明察秋毫，在较短的时间内将犯罪分子捉拿归案。

组成药物中含有人参的方剂是（）

A.温经汤

B.肾气丸

C.酸枣仁汤

D.小蓟饮子

E.桑杏汤

天津是近代中国外交和对外商务活动的中心。

（）或多台钻机作业时，应按作业规程规定的区域，做到定钻具，定人定开眼，顺序打眼，防止（）。