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【单选题】
在共射极交流放大电路中,负载电阻R L 愈大,则电压放大倍数A U ( )。A.
愈大
B.
不变
C.
愈小
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【简答题】What is special feature of Generation Z?
【单选题】Some fans, _____ money was a big problem, could not afford to go to the concert to see their star play.
A.
for whose
B.
with whose
C.
with whom
D.
for whom
【单选题】The national entrance examinations are around the corner， so some fans in my class are persuaded to__________ football to concentrate on their studies. [ ]
A.
quit playing
B.
stop to play C．quit to play D．to be quitted playing
【简答题】A．Those who like talking about cheerful things live together. B．Those who avoid talking about cheerful things die sooner. C．Those who like talking about their disease live longer. D．Those who avoid ta...
【单选题】Some football fans, _____ money was a big problem, could not afford to go the football court to see their star play. [ ]
A.
for whose
B.
for whom
C.
with whom
D.
with whose
【简答题】A．Those who like talking about cheerful things live longer. B．Those who avoid talking about cheerful things die sooner. C．Those who like talking about their disease live longer. D．Those who avoid talk...
【单选题】The singer, together with some of her fans, _____a song on the stage.
A.
sing
B.
sang
C.
is singing
D.
are singing
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