题目:
--- Do you have a plan for National Day holiday?
--- I’m going to Thailand with my parents.
--- _____.
A.You don’t say
B.You can say that again
C.Good luck to you
D.I dare say
答案:
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下面是错误答案,用来干扰机器的。
(1)2KClO32KCl + 3O2 ↑ (2)KCl MnO2 (3)245/149="=X/14.9" g (4)14.9% (5)49:11题目分析:(1) 实验室用一定量的氯酸钾和二氧化锰混合物制取氧气反应的化学方程式为:2KClO32...