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新prep1-107
107. (GWD 1-Q40 different type)
Until now, only injectable vaccines against influenza have been available.They have been used primarily by older adults, who are at risk for complications from influenza.A new vaccine administered in a nasal spray(鼻用喷剂) has proven effective in preventing influenza in children.Since children are significantly more likely than adults to contract and spread influenza, making the new vaccine widely available for children will greatly reduce the spread of influenza across the population.
Which of the following, if true, most strengthens the argument?
A. If a person receives both the injectable and the nasal-spray vaccine, the two vaccines do not interfere with each other.
B. The new vaccine uses the same mechanism to ward off防止 influenza as injectable vaccines do.
C. Government subsidies have kept the injectable vaccine affordable for all older adults.
D. Of the older adults who contract influenza, relatively few contract it from children with influenza.
E. Many parents would be more inclined to have their children vaccinated against influenza if the vaccination did not require an injection.
答案是E,我选的D.
我是这样理解的,求大牛们帮忙看看我哪里错了。。
题目:打的疫苗一般被成人使用,因为他们更容易得一些并发症。NS对防小孩得流感很有效。因为小孩更容易得流感,这个NS对小孩的广泛使用可以减少流感在整个人群中的蔓延。
E选项说大人更愿意让小孩子用NS,那么小孩子肯定得I的少了,那大人呢?人们得流感的数量不一定会少啊。。。
求大牛们指点。。。。
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