题目内容

从设备外观考虑,带传动部分可以外露。

A. 对
B. 错

查看答案
更多问题

回转式薄膜蒸发器适用于热敏性物料的蒸发。

A. 对
B. 错

中国果树的世界传播及其影响——以()为例

Although ,he insisted _________going there together with us.

A. to
B. on
C. at
D. for

The first question we now discuss is _______ we should go there so early tomorrow early tomorrow.

A. whether
B. where
C. what
D. whom

答案查题题库