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【单选题】
在共e、共c、共b、共e-b几类放大器中，无电压放大倍数的放大器是（）A.
共e
B.
共c
C.
共b
D.
共e-b
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【简答题】The idiom goes, “Better the head of a dog than the tail of a lion.”
【单选题】When people do things wrong we should try hard to forgive them, as the idiom goes, “To ______ is human.”
A.
refer
B.
c onfer
C.
defer
D.
err
【单选题】In Chinese , the saying goes that to the people, food is heaven . In English, there is an equivalent idiom, which is ________
A.
Bread is the staff of life.
B.
Radish and ginger keep away from doctor.
C.
One’s meat is another one’s poison.
D.
An apple a day keeps the doctor away.
【简答题】社区是党和政府联系、服务居民群众的( ),社会治理的重心要向基层下移落到城乡社区。
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