题目内容

[A] condition
[B] affair
[C] environment
[D] situation

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[A] until
[B] unless
[C] if
[D] though

7.DNA在10nm纤丝中压缩多少倍?( )

A. 6倍 B.10倍 C.40倍 D.240倍 E.1000倍 F.10000倍

4.______键负责维持A-T间(或G-C间)的亲和力。

What's the main idea of the passage?
[A] Professional knowledge is a decisive factor in a job interview.
[B] Finding a job is more difficult than one can imagine.
[C] Self-confidence is most important for a job hunter.
[D] A job seeker should create a good image during an interview.

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