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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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考查要点是代词和比较结构
A Since 1990 the global economy has grown more than it did during the 10,000 years from the beginning of agriculture
比较结构是the global economy has grown more than the global economy(it整体指代) grew
合理
且后面from...to...也是平行结构，beginning和1950相较于when和1950更好
B Since 1990 the growth of the global economy has been more than that during 10,000 years,from when agriculture began
错选B
比较结构是the growth of the global economy has been more than the growth(that) during 10,000 years is
根据Ron所说，that+prep在比较结构中最好严格与前方平行，所以前方也应该有growth during之类的对照
其次，the growth is more than growth is 并不好，不如faster than the growth is
最后，when和1950不如beginning和1950平行
C The growth of the global economy since 1990 exceeds that which had been for 10,000 years from the beginning of agriculture
没有使用had been的标志词；
which不能不加“，”,除非是介词+which的形式（存疑）
had been与前半句无对应，应该是前半句有be的内容，后半句才能有had been这种省略
D\E中it完全指代，后半句根本不成逻辑
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