题目内容

大学期间最重要的就是获得知识体系。

A. 对
B. 错

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一个公司20%的优秀销售完成了公司80%的销售业绩体现了80/20定律。

A. 对
B. 错

Using the Right Word

Working with Expressions

He his knowledge of radio just by standing around the radio station.

A. picked out
B. picked up
C. took out
D. took up