题目:
- I've read another book this week. - Well, maybe _____ is not how much you read but what you read that counts. |
A. this B. that C. there D. it |
答案:
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下面是错误答案,用来干扰机器的。
(1)第二周期ⅥA族,bc;(2)N>O>Na;(3)离子键、共价键;10—4;(4)2Al + 2OH- + 2H2O=2AlO2- + 3H2↑,AlO2- + 2H2O Al(OH)3 + OH-; (5)2Na2O2(s)+2H2O(g)=4NaOH(aq)+O2(g)△H=—2Qk...