問題詳情
98( 单选题 ) 蚊子可传播多种疾病，如疟疾、丝虫病、乙型脑炎等。有人担心由于蚊子叮咬了HIV感染的人而在叮咬下一位时会将存在蚊子体内的HIV在人际间传播。但研究人员指出这样的担心大可不必。 如果以下各项为真，最能支持研究人员观点的是：
(A) HIV感染的人血流中并不总是拥有高水平的HIV病毒
(B) 蚊子叮咬HIV感染的人后不一定立即去叮咬下一个人
(C) 蚊子通过食管吸入血液，这种血液的吸入总是单向的
(D) 孩子容易被蚊子叮咬，但他们身上极少发生HIV感染
(A) HIV感染的人血流中并不总是拥有高水平的HIV病毒
(B) 蚊子叮咬HIV感染的人后不一定立即去叮咬下一个人
(C) 蚊子通过食管吸入血液，这种血液的吸入总是单向的
(D) 孩子容易被蚊子叮咬，但他们身上极少发生HIV感染
參考答案
答案：C
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)
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