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【简答题】
简述PCR技术的基本原理。
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举一反三
【单选题】No matter how well you construct your speeches, they are likely to __________ unless you speak about matters of interest to your listeners.
A.
become offensive
B.
become illogical
C.
fall flat
D.
mislead
【单选题】No matter how well you construct your speeches, they are likely to __________ unless you speak about matters of interest to your listeners.
A.
fall flat
B.
become offensive
C.
mislead
D.
be illogical
【简答题】Unless you speak to him first, she ___(not speak) to you.
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