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【多选题】
差动放大电路中差模信号是指 。差动放大 器能够有效克服零点漂移是一个管子零点漂移 另一个管子零点漂移。A.
大小相等、极性相反的信号
B.
大小相等、极性相同的信号
C.
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举一反三
【简答题】还记得去年的派对多 乱 吗? Do you remember what a it was last year?
【多选题】When talking about the typical symbols of American culture , do you remember what we have just mentioned in class
A.
the McDonald's restaurant
B.
the Statue of Liberty
C.
Uncle Sam
D.
Disneyland
【单选题】--- Do you remember what she looked like when you first met her ? - --- Of course. She was tall and thin ____ long hair.
A.
in
B.
with
C.
on
D.
to
【简答题】Do you remember what you ____________ at 7 p . m . last night? (do)
【单选题】某企业为降低烟气脱销系统安全风险,将使用原料由液氨变更为尿素。依据《职业病危害项目申报办法》(国家安全生产监督管理局第 48 号),该企业向申报机关申请变更的时间应在原料变化为尿素后的( )日内。
A.
7
B.
10
C.
15
D.
30
【单选题】-Do you remember what she looked like when you first met her? -Of course.She was tall and thin______ long hair.
A.
in
B.
with
C.
on
D.
for
【简答题】This week we have learned the English song.Do you remember what is the song' s name?
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