塑料门所用增强型钢壁厚不小于2.0mm，塑料窗所用增强型钢壁厚不_爱下问搜题

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问题单项选择题

塑料门所用增强型钢壁厚不小于2.0mm，塑料窗所用增强型钢壁厚不小于（）mm。

A.1.5

B.2.0

C.2.5

D.3.0

答案

参考答案：A

选择题

— ______.
— I have a sore throat.

A. What's the matter, Judy?
B. Where are you, Judy?
C. Who are you?
D. What did you do, Judy?

v

单项选择题

GPT的辅酶是（）。

A．NAD⁺

B．FAD

C．磷酸吡哆醛

D．TPP

E．HSCoA