You should be more careful, _______ you_爱下问搜题

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问题选择题

You should be more careful, _______ you might meet with some accident.

A．meanwhile

B．otherwise

C．although

D．however

答案

答案：B

选择题

Is that your notebook______ the lost and found case? [ ]

A. at

B. of

C. to

D. in

单项选择题

取样前应将积水放尽并冲洗后方能取样，流量保持在（）且保持稳定。

A.400-500毫米/分

B.500-600毫米/分

C.500-700毫米/分

D.700-800毫米/分