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【多选题】
通信从本质上讲就是实现信息传递功能的一门科学技术,它要将( )A.
大量有用的信息有失真，高效率地进行传输，
B.
大量有用的信息无失真，高效率地进行传输，
C.
同时还要在传输过程中将无用信息和有害信息传输掉
D.
同时还要在传输过程中将无用信息和有害信息抑制掉
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举一反三
【单选题】One of the great changes brought about by the knowledge society is that ______.
A.
the difference between the employee and employer has become insignificant
B.
people's traditional concepts about work no longer hold true
C.
the importance of high technology has been overlooked
D.
people have to change their jobs from time to time
【单选题】You be hungry after the long walk. Help yourself to some cakes.
A.
should
B.
must
C.
need to
D.
ought to
【单选题】One of the great changes brought about by the knowledge society is that ______.
A.
the difference between the employee and the employer has become insignificant
B.
people have to change their jobs from time to time
C.
most people have to take part-time jobs
D.
people's traditional concepts about work no longer hold true
【单选题】In the last paragraph, the author's attitude is that________.
A.
different people have different ideas
B.
however difficult the situation is, people should unite and move forward
C.
people should go back to work immediately
D.
people shouldn't walk with expressionless faces
【单选题】Help yourself to some fish.
A.
I'll have it if you insist.
B.
Thank you for your help.
C.
Sorry.
D.
Yes, please.
【单选题】One of the great changes brought about by the knowledge society is that ______.
A.
the difference between the employee and the employer has become insignificant
B.
people's traditional concepts about work no longer hold true
C.
most people have to take part-time jobs
D.
people have to change their jobs from time to time
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