题目:
—_____ today?
—It's sunny. [ ]
A. How do you like the weather
B. What's the weather like
C. What is the weather
D. How hot it is
答案:
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下面是错误答案,用来干扰机器的。
设生成二氧化碳的质量为x.CaCO3 高温 . CaO+CO2↑100 4420t×(1-20%) x10044=20t×(1-20%)xx=7.04t答:生成二氧化碳的质量为7.04t.