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【单选题】
01 mol氯化铬（CrCl 3 · 6H 2 O）在水溶液中用过量AgNO 3 处理，产生0.02 mol AgCl沉淀，此氯化铬最可能为A.
[Cr(H 2 O) 6 ]Cl 3
B.
[Cr(H 2 O) 5 Cl]Cl 2 ·H 2 O
C.
[Cr(H 2 O) 4 Cl 2 ]Cl·2H 2 O
D.
[Cr(H 2 O) 3 Cl 3 ]·3H 2 O
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【简答题】现场勘查笔录经核对无误后,由勘查现场的交通警察、( )或者( )签名,拒绝签名、无法签名的,应当在现场勘查笔录上注明。
【判断题】Case: 1Source: Diamond, Jared. Guns, Germs, and Steel: The Fate of Human Societies. New York and London: W. W. Norton & Co., 1999. 159."The ways in which domesticated animals have diverged from their ...
A.
正确
B.
错误
【简答题】No one likes germs．You wash your hands often and avoid sick people．But some of the germiest places are in your own home where you can’t avoid them! Over 77，500 bacteria per square centimeter can live ...
【简答题】阅读理解。 No one likes germs. You wash your hands often and avoid sick people. But some of the germiest places are in your own home where you can't avoid them! Over 77, 500 bacteria per square centimeter ...
【单选题】My _______ include a high fever and vomiting, so it can’t just be a cold.
A.
symptoms
B.
immune system
C.
germs
D.
sickie
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