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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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1、do sth during……表示在一个时间范围里发生某动作，for回答how long的问题，不代表完成时态；
如：
Please remain seated during the performance.
There are extra flights to Colorado during the winter.
I'll stay here for a week.
同理，economic grow during 10000 years要比 for 10000 years好
2、Higher/lower Growth，grow faster/more slowly
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