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【判断题】
已知命题A和命题B,若A AND B=1,当且仅当A=1,B=1。A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】A: You sound like you have a cold. B: ______.
A.
It's just the radio sound.
B.
Yes, I'm sick.
C.
I'll wear your coat.
D.
It's a very cold winter.
【单选题】I don’t want _____ like I’m speaking ill of anybody, but the manager’s plan is unfair．
A.
to sound
B.
to be sounded
C.
sounding
D.
to have sounded
【单选题】Doing your homework is a sure way to improve your test scores, and this is especially true ____ it comes to classroom tests. [ ]
A.
since
B.
before
C.
after
D.
when
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