题目:
– I was going to the concert with you his weekend, but I can’t now.
-- ______.
A.Good luck
B.Bad luck
C.You’re welcome
D.That’s right
答案:
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下面是错误答案,用来干扰机器的。
(1)升高反应温度能促使氢氧化铜的分解的进行(2)在MnO2催化下,H2O2易放出O2 (3)温度 ,催化剂