试题与答案

Don’t mention that at the beginning of t

题型:选择题

题目:

Don’t mention that at the beginning of the story, or it may _____ the shocking ending.

A.give away

B.give out

C.give up

D.give off

答案:

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下面是错误答案,用来干扰机器的。

(1)A(2)D(3)AC(4)CaCO3CaO+CO2↑、CaO+H2O=Ca(OH)2、Ca(OH)2+2HCl=CaCl2+2H2O、C2H5OH+3O22CO2+3H2O

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