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单项选择题
设有如下语句:
执行结果是( )。
A、den
B、stu
C、ent
D、uden
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土壤微生物特性不包括( )。 A.
数量 B.
活性 C.
种群 D.
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( )内螺纹的牙顶用细实线绘制。
正确
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单项选择题
You didn't take his advice. ________ his advice, you ________ such a mistake.
A、Had you taken, wouldn't have made
B、If you had taken, would make
C、Were you lo take, shouldn't have made
D、Have you taken, won't have made
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