豆类芽长应（）。 A．＜2mm B．2～5mm C．＜5mm D．5～10mm E．_爱下问搜题

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问题单项选择题

豆类芽长应（）。

A．＜2mm

B．2～5mm

C．＜5mm

D．5～10mm

E．＞10mm

答案

参考答案：D

选择题

By the time he arrived in Beijing, we _____ there for two days.

A. will have stayed
B. stay
C. have been staying
D. had stayed

单项选择题

按建筑制图图纸幅面的基本尺寸规定，A3图纸尺寸是（）

A.594×841

B.420×594

C.297×420

D.210×297