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单项选择题

土壤微生物特性不包括( )。 A.
数量 B.
活性 C.
种群 D.
大小

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判断题
（  ）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
单项选择题
秦始皇陵兵马俑的高度大约在          。
A、1米
B、0.8米
C、3米
D、1.85米
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