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【简答题】
在结构上，三极管是由两个背靠背的PN结组成的，那么，三极管与两只对接的二极管有什么区别呢?
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反馈参考答案：
举一反三
【单选题】Mo Yan, _______ won the 2012 Nobel Prize for literature, has received worldwide praise.
A.
which
B.
whose
C.
that
D.
who
【单选题】Why is Mr Mo unable to meet Mr Brown?
A.
He has to attend an important meeting.
B.
He has to go to the airport to pick up someone.
C.
He has to wait for an important phone call.
【单选题】The mechanism that______ the turntable is broken. There has to be someone here to mend it this afternoon.
A.
stirs
B.
stimulates
C.
revolves
D.
steers
【单选题】Mo Yan has been the first Chinese to win the Nobel Prize in Literature, ___________ arouses people’s interest in reading his works.
A.
ever; which
B.
even; that
C.
even; which
D.
ever; that
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