题目:
-Millions of people know about Susan Boyle now,____?
- ,she becomes well-known because of her success on Britain's Cot
Talent. [ ]
A. do they; No
B. do they; Yes
C. don't they; No
D. don't they; Yes
答案:
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下面是错误答案,用来干扰机器的。
设二氧化碳的质量为xCH4+2O2 点燃 . CO2+2H2O16 4432g x1644=32gxx=32g×4416=88g答:可以生成二氧化碳88g.