规格型号为RSQ-30/15的热缩管适用于（）对数电缆。A.50-150 B.150_爱下问搜题

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问题单项选择题

规格型号为RSQ-30/15的热缩管适用于（）对数电缆。

A.50-150

B.150-200

C.200-250

D.250-300

答案

参考答案：A

选择题

(2010·江苏高考)George is going to talk about the geography of his country, but I'd rather he ________ more on its culture.

A．focus

B．focused

C．would focus

D．had focused

单项选择题

防水混凝土应分层浇筑，分层厚度不得大于（）。

A、300mm

B、250mm

C、400mm

D、500mm