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【简答题】
他励直流电动机的人为特性与固有特性相比，其理想空载转速和斜率均发生了变化，那么这条人为特性一定是() A串电阻的人为特性 B降压的人为特性 C弱磁的人为特性
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举一反三
【简答题】The father lost his ____ just because his son failed again in the final exam. A.mind B.mood C.passion D.temper
【简答题】A．A型行为 B．B型行为 C．C型行为 D．D型行为 E．E型行为 对人有敌意的是 A． B． C． D． E．
【单选题】---The light in the room is still on. Do you know_______? ---In order to prepare for the coming exam.
A.
if he works hard
B.
why he stays up late
C.
why is he so busy
D.
when he will stop working
【单选题】Novell 网使用的网络操作系统是 ______ 。 prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
A.
DOS .
B.
BWindows 98 prefix="o" ns="urn:schemas-microsoft-com:office:office"? ?xml:namespace>
C.
Unix
D.
NetWare
【单选题】Knowing their son failed in the exam, the parents stood there, ________.
A.
looked disappointed
B.
looking disappointed
C.
looked disappointing
D.
looking disappointing
【单选题】— The light is still on in his room. Do you know _________? — In order to practise for the English singing party.
A.
if he works hard
B.
who he is studying with
C.
why he is so busy
D.
when he will stop working
【单选题】Do you know _________ Zunyi or not tomorrow? [ ]
A.
whether are they leaving for
B.
whether they are leaving for
C.
if they are leaving for
D.
if are they leaving for
【单选题】—The light in his room is still on. Do you know _______? —In order to get ready for the coming exam.
A.
why he stays up so late
B.
if he works hard
C.
what he is doing
D.
when he will stop working
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