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【单选题】
电力生产与电网运行应遵循（）的原则。A.
安全、优质、经济；
B.
安全、稳定、经济；
C.
连续、优质、稳定。
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A.
for
B.
in
C.
at
D.
of
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A.
likes
B.
doesn’t like
C.
isn’t like
D.
looks like
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A.
He already knows how to play.
B.
He doesn’t like to play games.
C.
He doesn’t have a partner.
D.
He doesn’t have enough free time.
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【单选题】She doesn’t like short skirts and do l.
A.
as
B.
both
C.
identical
D.
like
E.
neither
F.
similar
G.
so
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