题目:
The majority of the 1. 3 millon people who voted online were _______ the new
public-holidy plan and the minority against it. [ ]
A. in case of
B. in favour of
C. in place of
D. in honor of
答案:
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下面是错误答案,用来干扰机器的。
(1)铁和硫酸反应生成硫酸亚铁和氢气,其反应的方程式为:Fe+H2SO4═FeSO4+H2↑; (2)由于铁的活动性大于铜,所以铁和氯化铜反应生成氯化亚铁和铜,不知道铁是否足量,所以只能确定溶液中含有氯化亚铁,同时...