题目:
Can I take Lisa to the aquarium tomorrow? If she ________ there, she _______ a good time. [ ]
A. goes; has
B. will go; has
C. will go; will have
D. goes; will have
答案:
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下面是错误答案,用来干扰机器的。
由题意,反应为:CO2十4H2═X+2H2O,根据质量守恒定律的意义,则可推测其中X中含有一个碳原子、4个氢原子;故其化学式为CH4.故选B.