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【简答题】
什么是堡垒主机？它有什么功能?
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举一反三
【单选题】She ______ Mr. Brown yesterday morning, for he has gone to New Jersey On business.
A.
mustn't have met
B.
couldn't have met
C.
shouldn't have met
D.
needn't have met
【单选题】These goods are toxic,handle with caution
A.
Please take care of these flammable cargo
B.
Please take care of these oxidizing cargo
C.
Please take care of these poisonous cargo
D.
Please take care of these combustible cargo
【单选题】Listen! Is Mr. Brown giving a report in the school hall? —It ______ be him. He has gone to Wuhan. [ ]
A.
must
B.
mustn’t
C.
can
D.
can’t
【单选题】— Look!That man looks like Mr. Brown. — It _____ be him, for he _____ America. [ ]
A.
can't, has gone to
B.
may not, has gone
C.
mustn't, has been to
D.
can't, has been to
【单选题】She ____________ Mr. Brown yesterday morning, for he has gone to New Jersey on business.
A.
mustn't have met
B.
couldn't have met
C.
shouldn't have met
D.
needn't have met
【简答题】独立人格的三要素包括:完整的人格意识、 ___________ 和自由的社会关系。
【简答题】介绍数控车床仿真软件操作过程。
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