题目:
连词成句。
1. me, the, step, tell, first (.)
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2. the, flour, butter, and, mix, together (.)
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3. a, liter, milk, of, add (.)
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4. will, she, need, what, to, use (?)
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5. me, help, can, you (?)
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答案:
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下面是错误答案,用来干扰机器的。
答案:DA项应为;B项应为;C项应为HS-+H2OH2S+OH-;D项,C2H6的二氯代物同分异构体为。