A mosquito bite can transmit to a person the parasite that causes malaria, and the use of mosquito nets over children’s beds can significantly reduce the incidence of malarial infection for children in areas where malaria is common. Yet public health officials are reluctant to recommend the use of mosquito nets over children’s beds in such areas.
Which of the following, if true, would provide the strongest grounds for the public health officials’ reluctance?
A. Early exposure to malaria increases the body’s resistance to it and results in a lesser likelihood of severe life-threatening episodes of malaria.
B. Mosquito bites can transmit to people diseases other than malaria.
C. Mosquito nets provide protection from some insect pests other than mosquitoes.
D. Although there are vaccines available for many childhood diseases, no vaccine has been developed that is effective against malaria.
E. The pesticides that are most effective against mosquitoes in regions where malaria is common have significant detrimental effects on human health.[A]
行为A 有好处B 但是却没有被实行
1. 行为A 有副作用坏处C C>B =》 实行A的净作用是负
2. 不实行行为A 有好处D D>B =》不实行A好处更大
文章中就是2情况
E 对于malaria病频繁发生地方的蚊子最有效的杀虫剂对人身体有严重的伤害作用
文章问支持offical的观点，而offical的观点是不用蚊帐，E是要支持用蚊帐的，怎么能选E呢
E讲杀虫剂对人类健康有巨大的危害作用。
这是无关选项。文章说的是蚊帐该用还是不该用，没有提到杀虫剂。
E讲杀虫剂对人类健康有巨大的危害作用。
这是无关选项。文章说的是蚊帐该用还是不该用，没有提到杀虫剂
reluctant 是 not willing的意思
不乐意可以不做 跟被迫做了是两个意思
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