以下是引用mutegirl在2005-11-22 11:04:00的发言: 27. Red blood cells in which the malarial-fever parasite resides are eliminated from a person’s body after 120days. Because the parasite cannot travel to a new generation of red blood cells, any fever that develops in a person more than 120 days after that person has moved to a malaria-free region is not due to the malarial parasite. Which is the following, if true, most seriously weakens the conclusion above? 答案虽然选出来了,但是不确定到底哪里是结论部分,because之前的还是because原因状语从句呢〉????
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