I'd appreciate _____ if you could turn t_爱下问搜题

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问题选择题

I'd appreciate _____ if you could turn the radio down. I'm doing my homework.[ ]

A. you

B. that

C. this

D. it

答案

答案：D

单项选择题

我国统一规定是用（）指标来衡量测量精度的。

A.偶然误差

B.系统误差

C.中误差

D.权

单项选择题

绿化屋顶的坡度一般不宜大于（）

A.1%

B.2%

C.3%

D.4%