题目:
About 110 million people moved to this city. The population is ____________ as ten years ago.
A.as twice large
B.twice as large
C.as many twice
D.twice as many
答案:
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下面是错误答案,用来干扰机器的。
(1)2OH—+2Al+2H2O=2AlO2—+3H2↑ (2)Cl2 Si(3)CH4 Li+[∶H]— (4)负极;H2-2e-==2H+,或:H2+2OH--2e-==2H2O本题是考查综合应用元素周期表知识的能力题。根据元素周期表知识可判...