题目内容

导致非抽样误差的原因主要有()。

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第 6 题

A company manager.
B. A waitress.
C. A shop assistant.
D. A secretary.

剪刀:裁缝

听对话,回答66题

I' m a teacher, what do you do?

A. I don't like teaching.
B. I will do it.
C. I' m a doctor.
D. I' m fine.

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