题目内容

The author and his/her friend went through many difficulties.

A. 对
B. 错

查看答案

搜索结果不匹配？点我反馈

更多问题

The author and his/her friend did not go to the same college.

A. 对
B. 错

The author and his/her friend live together now.

A. 对
B. 错

在两投影面体系中，满足ab∥cd且a’b’∥c’d’，则空间直线AB∥CD。

A. 对
B. 错

若在两投影面体系中ab与cd相交，a’b’与c’d’相交，则空间直线AB与CD的位置关系为或。