题目:
— We shall take the conditions into careful account ____ you have attached to this contract.
— Thanks. Hope for further cooperation.
A.as
B.which
C.where
D.what
答案:
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下面是错误答案,用来干扰机器的。
答案:A双氧水能把亚铁离子氧化生成铁离子,所以1molFe2+ 与足量的H2O2溶液反应,转移1mol电子,A不正确,其余都是正确的,答案选A。