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【单选题】
交流放大电路引入负反馈后 ( ) 。A.
改善了波形失真，通频带变窄
B.
展宽了通频带，波形失真未改善
C.
改善了波形失真，展宽了通频带
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举一反三
【单选题】Our family makes it a________to turn off the television at mealtime and try to speak as little as p ossible. [ ]
A.
privilege
B.
pressure
C.
procedure
D.
principle
【单选题】Queuing is nothing special in Japan. Every day, television programs show long lines of people queuing for up to one hour even in front of regular noodle shops, only to finish their food within less th...
A.
Providing queuers to individuals.
B.
Providing queuers to shops.
C.
Hiring professional queuers to wait for oneself.
D.
Hiring professional queuers to keep a line in shape.
【简答题】Television is harmful to American polities because it makes the issues and electorate ______.
【单选题】People have criticized reality television because ______.
A.
it often makes fun with someone
B.
the name is inaccurate
C.
it uses special locations
D.
it shows reality
【单选题】Television makes us better ______than ever before.
A.
inform
B.
informing
C.
informed
D.
to be informed
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