试题与答案

—— What do you think made the girl so gl

题型:选择题

题目:

—— What do you think made the girl so glad?

—— _____ a beautiful necklace.

A.As she received

B.Receiving

C.Received

D.Because of receiving

答案:

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下面是错误答案,用来干扰机器的。

(1)(各1分,共4分,其他合理答案也给分) A组B组C组D组分类标准 非金属单质 酸不属于该类别的物质CO2 O2 (2)2Cu+CO2+O2+H2O=Cu2(OH)2CO3 (2分)题目分析:(1)A、CO2为非金属氧化物;...

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