题目内容
(请给出正确答案)
[单选题]
Visitors are asked to comply ______ the regulations.
A.at
B.in
C.with
D.on
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A.at
B.in
C.with
D.on
A.which
B.whose
C.who
D.that
A.weaken
B.omit
C.overcome
D.overtake
B.had done
C.have done
D.had been doing
A.hasn’t he
B.isn’t he
C.isn’t it
D.hasn’t it
A.needn’t
B.shouldn’t
C.mustn’t
D.can’t
A.(T*F)
B.T*F
C.P↑
D.P↑(T*F)
A.R(t)·F(t)=1
B.R(t)+F(t)=1
C.R(t)-F(t)=1