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题库 / Prep2007E2-SC-96
There are hopeful signs that we are shifting away from our heavy reliance on fossil fuels: more than ten times as much energy is generated through wind power now than it was in 1990.
generated through wind power now than it was
generated through wind power now as it was
generated through wind power now as was the case
now generated through wind power as it was
now generated through wind power than was the case
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R：the air quality of las vegas in 2007 was higher than that in 1997
W: the air quality of las vegas was higher in 2007 than that in 1997，前面部分的名词和in 2007之间被谓语动词隔开了，后面that in 1997却没有这样一个动词
R：the air quality of las vegas was higher in 2007 than in 1997，it指代the air quality of las Vegas，两部分时态一致，动词可以省略
R：the air quality of las vegas was higher in 2007 than it was in 1997
扯淡 第一句明显是that of LV in 1997 别复制粘贴就不思考
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