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【单选题】
以下对钻石基本性质的描述,哪一条是错误的?A.
钻石的硬度是自然界最高的,因而受到敲击时极难破碎。
B.
钻石具有亲油疏水性,表面容易沾染油污。
C.
钻石的导热性非常好。
D.
钻石具有优良的化学稳定性与热稳定性。
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【单选题】He has ________ himself to be innocent. [ ]
A.
checked
B.
realized
C.
confirmed
D.
showed
【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 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.
【简答题】According to the author, why Apple 'never built a radio tuner in the iPod'? (para. 7)
【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
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