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题库 / Prep2007E1-SC-1
To meet the rapidly rising market demand for fish and seafood, suppliers are growing fish twice as fast as their natural growth rate, cutting their feed allotment by nearly half and raising them on special diets.
their natural growth rate, cutting their feed allotment
their natural growth rate, their feed allotment cut
growing them naturally, cutting their feed allotment
they grow naturally, cutting their feed allotment
they grow naturally, with their feed allotment cut
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根据raising them可知them指fish，所以前面的they都是指fish
要与and raising平行，只能cutting，排除BE。
A：rate只有high/low, 不能用fast修饰，可以说fish are growing fast或者the rate is high。
C：growing them naturally的主语是suppliers，供应者养殖鱼肯定是人工的，谈何自然的人工养殖,,应该是鱼自然生长。
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