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题库 / Prep2007E2-SC-49
Since 1990 the global economy has grown more than it did during the 10,000 years from the beginning of agriculture to 1950.
Since 1990 the global economy has grown more than it did during the 10,000 years from the beginning of agriculture
Since 1990 the growth of the global economy has been more than that during 10,000 years, from when agriculture began
The growth of the global economy since 1990 exceeds that which had been for 10,000 years from the beginning of agriculture
The growth of the global economy since 1990 exceeds what it has been for 10,000 years, from when agriculture began
The growth of the global economy since 1990 exceeds what it did for the 10,000 years from the beginning of agriculture
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时态的问题可以eliminate C，D；E选项的what it did有问题，这里的it 指的是the global economy 但是 the global economy处于介宾短语中，是不能指代的；B选项的that during也是有点问题，这是一个平行结构的标志，前面的部分要和后面的that + preposition平行
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