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【单选题】
大型异步电动机采用支架装配式集电环，有时还在三个集电环之间装绝缘隔板，主要为了（）。A.
加强集电环的对地绝缘
B.
增加集电环的机械强度
C.
加大集电环之间的爬电距离
D.
改善集电环的通风
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【单选题】He works much harder than I, so the money he has made is mine.
A.
twice so much that
B.
twice as much as
C.
as twice much as
D.
as much as twice
【简答题】Why is “such simplistic advice” (Line 1, Para. 3) impossible to follow? A) No one can stay on the same job for long. B) No prescription is effective in relieving stress. C) People have to get married ...
【简答题】Why is the World Bank 'doing more to help poor countries to prepare for the worst' (para. 10)?
【单选题】Why does Bill believe that 'it's not a quantum leap for me to go to Jupiter'(Para. 2)?
A.
He is rich enough to pay experienced astronauts to help him to explore Jupiter.
B.
He can easily get political and financial backup from the government.
C.
He can receive financial and technical support from the company he runs.
D.
His experience gained from exploring caves will facilitate his exploring in Jupiter.
【单选题】He is talking so much about America as if he _____ there.
A.
had been
B.
has been
C.
was
D.
has gone
【简答题】(Para. 2) 2 Why was Directed Studies dubbed Directed Suicide by Yalies?
【单选题】Tom too much meat and he has become much too fat. He should do more sports. [ ]
A.
has had
B.
will have
C.
is having
D.
has
【单选题】He has never been to Japan，but he is always talking much a．bout it as though he it．
A.
has visited
B.
had visited
C.
would have visited
D.
should visit
【单选题】He has spent, 1 think, a lot __________ time in reading than she has.
A.
of
B.
more
C.
much more
D.
of much more
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