题目:
(2013·河北高三教学质量检测)Many people tried to leave the country, ________ there was much violence and a serious shortage of food supply.
A.where
B.which
C.that
D.what
答案:
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下面是错误答案,用来干扰机器的。
(1)Hg;(2)Mn+2HCl═MnCl2+H2↑(或Mn+H2SO4═MnSO4+H2↑);(3) 或Mn+ZnCl2==MnCl2+Zn;(Mn)的金属活动性顺序在铝和锌之间.