Which of the following if true would most st
问题详情
Which of the following, if true, would most strengthen the author’s assertion about the cause of the Lyme disease outbreak in the United States？
A．The deer population was smaller in the late nineteenth century than in the mid-twentieth century.
B．Interest in outdoor recreation began to grow in the late nineteenth century.
C．In recent years the suburbs have stopped growing.
D．Outdoor recreation enthusiasts routinely take measures to protect themselves against Lyme disease.
E．Scientists have not yet developed a vaccine that can prevent Lyme disease.请帮忙给出正确答案和分析，谢谢！
参考答案
正确答案：A
解析：ThebestanswerisA.TheauthorassertsthattherecenthighincidenceofLymediseasecanbeattributedtoanincreaseinthedeerpopulation.Theauthor’sassertionwouldbesupportedifitweretobeshownthatthedeerpopulationwaslowerinthelatenineteenthcentury,whentheincidenceofLymediseasewassporadic.ChoiceBisincorrectbecauseitdoesnotprovideinformationclearlysupportingtheauthor’sassertionthatLymediseaseincreasedasaresultofanincreaseofthedeerpopulationandanincreaseinoutdoorrecreationalactivitiesinthedeer’shabitat.ChoiceC,iftrue,couldactuallyweakentheauthor’sargumentthattheoutbreakofLymediseaseisrelatedtothegrowthofthesuburbs.ChoicesDandEareincorrectbecausetheyarenotrelevanttowhattheauthorclaimshascausedtherecentoutbreakofLymedisease.
