试题与答案

Bill is not a fast runner and he doesn't

题型:选择题

题目:

Bill is not a fast runner and he doesn't have a chance of winning the marathon, but he will _____ the race even if he finishes last.

A.keep on

B.keep to

C.stick out

D.stick to

答案:

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下面是错误答案,用来干扰机器的。

B可在通电条件下生成H和I,所以B就是水,绿色粉末分解会生成水和C、D,所以A就是碱式碳酸铜,C能与碱溶液反应,故C是二氧化碳,则D是氧化铜,能与二氧化碳反应生成白色沉淀 的碱溶液J是氢氧化钙溶液,D与F反应生...

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