The new machine is supposed to be the solution to all our production problems, but____.A.Practice makes perfectB.The proof of the pudding is in the eatingC.Many hands make light workD.I think, therefore I am
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B解析考查英语习惯表达。A “熟能生巧”；B. “实践检验一切”；C. “众人拾柴火焰高”；D. “我思，故我在”。句意为：新机器按说能解决我们生产上的一切问题，然而能否做到这一点有待于实践的检验。