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【单选题】
肺的导气部是从肺叶支气管到A.
细支气管
B.
终末细支气管
C.
小支气管
D.
呼吸性细支气管
E.
肺泡管
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举一反三
【单选题】The publication of Saussure's work Course in G eneral Linguistics marked the beginning of .
A.
the modem grammar
B.
the pragmatics
C.
the modem linguistics
D.
the semantics
【简答题】What does g eneral ly the content of the mechanical processing system contain ?
【单选题】．The news came as no surprise to me. I ______ for some time that I would fail in the exam.
A.
had known
B.
knew
C.
have known
D.
know
【单选题】The university has sought to____a special fund for physically disabled students.
A.
administer
B.
compliment
C.
perform
D.
institute
【单选题】The news came as no surprise to me. I _____ for some time that the factory was going to shut down.
A.
had known
B.
knew
C.
have known
D.
know
【简答题】简述互联网环境下TCP性能改进方案。
【简答题】力的大小等于零或力的作用线通过 时 ,力矩等于零 ; 互成平衡的两个力对于同一点 O 之力矩的代数和等于 。
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