昨天晚上想了想,今天又查了下资料,from when+句子是没有问题的,主要是这里的when…要指代前面的since1788就有问题了,since本来就是自从……以来的意思,而这里的 from又有了这个意思,所以语义重复了。C和D的错误也是那个from,其实C和D加不加from都是错误的,因为家了from可以做状语,和前面那个 since 1788重复,不加from做定语,距离忒远
49. (27096-!-item-!-188;#058&003405) Since 1990 the global economy has grown more than it did during the 10,000 years from the beginning of agriculture to 1950. (A) Since 1990 the global economy has grown more than it did during the 10,000 years from the beginning of agriculture (B) Since 1990 the growth of the global economy has been more than that during 10,000 years, from when agriculture began (C) The growth of the global economy since 1990 exceeds that which had been for 10,000 years from the beginning of agriculture (D) The growth of the global economy since 1990 exceeds what it has been for 10,000 years, from when agriculture began (E) The growth of the global economy since 1990 exceeds what it did for the 10,000 years from the beginning of agriculture 这里B中的from when是不错的,因为是词组里的一部分,from…to…,when引导的句子只是做了一个from的宾语成分,是可以的 所以不能看到from when就判定是错误的,要仔细分析才行
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