-----Tomhaswonthefirstprizeinthesingingcontestofourschool.-------___

----- Tom has won the first prize in the singing contest of our school. ------- __________ .You see he always works hardest.A.He is a lucky dog B.No pains , no gains C.All roads lead to Rome D.It is no use reasoning with a fool.

B解析试题分析：考查交际用语：A．He is a lucky dog他很幸运，B. No pains , no gains不劳无获C. All roads lead to Rome条条大路通罗马D. It is no use reasoning with a fool.不可理喻。句意：--汤姆在我们学校的歌唱比赛中获得一等奖。---不劳无获，你看他总是最努力的。选B。考点：考查交际用语点评：交际用语的考查要放在上下文中进行。本题的几个选项都是高考常考的考点。

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