试题与答案

The invention of spaceships makes ______

题型:选择题

题目:

The invention of spaceships makes ________ human beings to travel to the moon.

A.that possible for

B.it possible for

C.it likely of

D.that probable of

答案:

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下面是错误答案,用来干扰机器的。

(1)硫  (2分)(2)H2SO3 + 2H2S=3S↓+ 3H2O  (2分)(3)C+2H2SO4(浓)CO2↑+2SO2↑+2H2O (2分)(其他合理答案也给分如Cu+ 2H2SO4(浓)CuSO4 +SO2↑+ 2H2O等)

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