题目内容

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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1.在高盐和低温条件下由DNA单链杂交形成的双螺旋表现出几乎完全的互补性,这一过程可看作是一个复性(退火)反应。

The word "pique"(Line 1, Para. 5) can be replaced by the word
[A] anger.
[B] resentment.
[C] excitement.
[D] pleasure.

The number of government soldiers killed, captured and wounded in the ambush is
[A] 18.
[B] 23.
[C] 25.
[D] 30.

What advice does the author provide for Mrs. Sanders?
[A] Give her child nutritious food only.
[B] Force her child to eat everything.
[C] To become an amateur nutritionist.
[D] Stop scolding her child and try to change her child's bad eating habits.

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