题目内容：
请选择（13）处的最佳答案．
A．Provided B．In case
C．Unless
D．As
参考答案：
答案解析：
单选题：请选择（13）处的最佳答案．
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- 题目类型：单选题
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B．In case
C．Unless
D．As
B．In case
C．Unless
D．As
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We have got to abide by our commitment.A．stick to B．persist in C．safeguard D．app
Experiments enable young scientists to judge accurately what
Experiments enable young scientists to judge accurately what must be accepted an
The investigators say that
The investigators say thatA．67 patients out of 100 in every American hospital di
Which of the following is NOT true about natural selection?
Which of the following is NOT true about natural selection?A．Natural selection f
会计电算化将提高会计核算的水平和质量。（ ）
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