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【多选题】
"祸福不定,贫富转瞬"阐述的是什么原理?A.
相关性原理
B.
动态性原理
C.
开放性原理
D.
整体性原理
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举一反三
【单选题】—Is it necessary to look up every new word when I come across it in reading? —No. You ________， because you are likely to guess the meaning from the context.
A.
can't
B.
mustn't
C.
don't have to
D.
ought not to
【简答题】CSMA/CD技术包含____和冲突检测两方面内容。该技术只用于总线型网络拓扑结构。 据通信设备连接而成的计算机网。
【单选题】下列收入应该征收企业所得税的是( )。
A.
股息、红利等权益性投资收益
B.
依法收取并纳入财政管理的政府性基金
C.
依法收取并纳入财政管理的行政事业收费
D.
财政拨款
【单选题】—Could you go swimming with us this afternoon? —Sorry, I can't. I take care of my little sister because my mother is ill. [ ]
A.
have to
B.
can
C.
may
D.
would
【简答题】第六段中说线条画一般是繁笔的三条科学道理是什么?请写出原句,并用自己的话概括这三条原理。
【单选题】- I'm going to the post office. -_______ you're there , can you get me some stamps?
A.
As
B.
While
C.
Because
D.
lf
【单选题】听力原文：W: If I were you, I would have accepted the job. M: I turned down the offer because it would mean frequent business trips away from my family. Why didn't the man accept the job?
A.
He doesn't enjoy business trips as much as he used to.
B.
He doesn't think he is capable of doing the job.
C.
He thinks the pay is too low to support his family.
D.
He wants to spend more time with his family.
【简答题】CSMA/CD技术包含(载体侦听多路访问( )和(冲突检测( ))两个方面的内容。
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