题目内容

He had a __ to his wife who gave him the money to start his business.

A. job
B. debt
C. chance
D. career

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混合是将大块物料破碎成较小的颗粒或粉末的操作过程。

A. 对
B. 错

A __ is helpful in looking for a job, but it doesn’t mean a job.

A. certificate
B. grade
C. record
D. debt

粉碎要适度,也可以过度粉碎。

A. 对
B. 错

难粉碎的药用部分可以丢弃。

A. 对
B. 错

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