问答题

如果直线a∥b，那么a就和过b的任何平面平行.

答案：如果直线a平行于直线b（记作a || b），那么直线a和过直线b的任何平面要么平行，要么a位于该平面内。题目中的表述缺少...

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"Because" is one of the few conjunctions that can be used at the beginning of a simple sentence, such as "Because robots are thought to replace over 90% of human workforce."

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