题目内容

As a young husband and father,Albert Einstein felt much _______ and responsibility.

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Einstein's mother had a very harmonious relations with his wife Mileva.

A. 对
B. 错

透视是用平行投影法绘出的。

A. 对
B. 错

画面与地面的交界线是基线。

A. 对
B. 错

心点是视线与视平线的交点。

A. 对
B. 错

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