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【单选题】
大型柴油机在拆卸主轴承下瓦时，正确的做法是( )。A.
按发火顺序依次拆卸轴承
B.
每次只允许拆卸一道轴承，待装入后再拆第二道轴承
C.
同时可以拆卸几遭轴承，每道轴承必须做好记号
D.
先从自由端开始至飞轮端依次拆卸轴承
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【单选题】I’m not sure what___ he will play in the film, but I think he will act thepart of the hero.
A.
career
B.
performance
C.
role
D.
action
【单选题】中国特色社会主义进入新时代的重要标志是( )
A.
各类体制改革取得的重大进展
B.
经济建设取得的重大成就
C.
我国社会主要矛盾的变化
D.
人民生活水平的大幅度提高
【单选题】W: Tom looks awfully nervous, doesn’t he? M: Yes. I’m afraid he is not used to making speeches What do the two speakers think of Tom?
A.
He gets nervous very easily
B.
He is not an experienced speaker
C.
He hasn’t prepared his speech well
D.
He is afraid of speeches
【单选题】I’m sorry, but what he thinks ___is not of importance to me.
A.
worthy
B.
valuable
C.
valueless
D.
priceless
【单选题】My mind wasn’t on what he was saying so I’m afraid I ___ half of it.
A.
missed
B.
was missing
C.
will miss
D.
would miss
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