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linux系统默认的管理用户的名称是( )
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【单选题】In the final paragraph the writer advises us to________. 查看材料
A.
stop buying plastic bottles
B.
take individual action
C.
visit Australia
D.
stop voting
【简答题】A.It warns young people of the hardships of a successful writer. B.It advises young people to give up their idea of becoming writers. C.It shows that writers usually live in poverty and isolation. D.I...
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their understanding of the business environment.
B.
the range of products they offer.
C.
their unique market position.
D.
the reputation they have built up.
【单选题】The writer advises us to think about ecology, because ______.
A.
it enables us to survive in the closed system of a spaceship
B.
it is a modern science that everybody has to learn
C.
it can be learned quickly if we study it hard
D.
it helps us to understand the relationship between living beings and the environment
【单选题】The writer advises those who hesitate to sell their stocks for money to
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sell unless the market goes up.
B.
buy more stocks during a bull market.
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wait for the long haul.
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sell out as soon as possible.
【单选题】The writer advises that before applying for a bank loan, the applicant should ______.
A.
thoroughly prepare
B.
do some market research
C.
learn a lot about the bank
D.
know the upper limit of the loan
【单选题】放大电路中饱和失真和截止失真称为
A.
线性失真
B.
非线性失真
C.
交越失真
D.
频率失真
【单选题】活塞式压缩机余隙容积存在的作用是()
A.
提高生产能力
B.
降低功耗
C.
提高排气量
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防止发生撞缸危险
【单选题】压缩机的余隙的作用是( )。
A.
避免活塞与气缸发生撞击而损坏
B.
有利于设备制造
C.
有利于电动机带动压缩机
D.
减少气体压缩功
【简答题】In paragraph , the writer advises us to ______.
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