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  3. 共用题干 Common-cold SenseYou can't beat it

共用题干 Common-cold SenseYou can't beat it

题库2022-08-02  83
问题 共用题干Common-cold Sense
You can't beat it,but you don't have to join it.Maybe it got the name"common cold"because it's more common in winter.The fact is,though,being cold doesn't have anything to do with getting one.Colds are caused by the spread of rhinoviruses,and,at least so far,medical science is better at telling you how to avoid getting one than how to get rid of one.
Children are the most common way cold viruses are spread to adults,because they have more colds than adults-an average of about eight per year.Why do kids seem so much more easily to get colds than their parents?Simple.They haven't had the opportunity to become immune to many cold viruses.
There are more than 150 different cold viruses,and you never have the same one twice.being infected by one makes you immune to it-but only it.
Colds are usually spread by direct contact,not sneezing or coughing.From another person's hand to your hand and then to your nose or eyes is the most common route.The highest concentration of cold viruses anywhere is found under the thumbnails of a boy,although the viruses can survive for hours on skin or other smooth surfaces.
Hygiene is your best defense.Wash your hands frequently,preferably with a disinfectant soap,especially when children in your household have colds.
But even careful hygiene won't ward off every cold.So,what works when a coughing,sneezing, runny nose strikes?
The old prescription of two aspirins,lots of water,and bed rest is a good place to start.But you'll also find some of the folk remedies worth trying.Hot mixtures of sugar(or honey),lemon,and water have real benefits.Children have more colds because______.A:they are usually infected about eight times each yearB:they are not immune to many cold viruses yetC:they never wash their hands so that their thumbnails are dirtyD:they don't like eating lemon
选项 Children have more colds because______.
A:they are usually infected about eight times each year
B:they are not immune to many cold viruses yet
C:they never wash their hands so that their thumbnails are dirty
D:they don't like eating lemon
答案 B
解析 由文章第一段最后一句可知，感冒是由于一种鼻病毒的传播而引起的，故选B。
由文章第五段第一句可知，保持卫生是应对感冒的最好防御，故选A。
由文章第二段最后一句可知，儿童对很多病毒还不具有免疫性，因此他们更易患感冒。故选B。
由文章第三段内容可知，一个人绝不会被同一种感冒病毒感染两次，和C项的表述内容相符，故选C。
由文章倒数第二段第二句的内容可知， 当一个人患感冒时，会出现咳嗽.打喷嚏以及流鼻涕的症状，而未提及有胃疼症状，故选D。
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