The H1Nl virus has been spreading world-wide，it is important for us to know how to control it．Please pay attention to the following points：
1．Don't touch your face．Above all，keep your hands away from your eyes，mouth and nose，all of which serve pathways(途徑) for the viruses(病毒) to enter your body．
2．Wash your hands．If you have to touch your face，wash your hands，getting under the fingernails for 20 to 30 seconds with hot soap and water before．Soaps with surfactants(表面活性劑) can deal with flu viruses．
3．Cover your nose and mouth．When someone sneezes or coughs，liquid(液體) drops with flu viruses as far as three feet through the air and land on your nose and mouth，so it's best to keep at least an arm's length distance when talking to someone who shows signs of infection(感染)．In order to protect others，cover your mouth and nose with a tissue(紙巾) when you cough or sneeze，and clean your hands afterward．Viruses can live for hours，or even longer when on the skin or other surfaces such as keyboards．
4．Consider buying a mask in case you need it in the future．Some research suggests that masks reduce the risk of getting the flu viruses by as much as 80%．But it also suggests that if you don't wash hands，the mask doesn't work well．So wash your hands and use the mask，especially wearing face masks in crowded places is also useful．
根據(jù)短文內(nèi)容，選擇最佳答案。
小題1:The article mainly tells ________．
A．the H1N1 virus has been spreading world-wide
B．how to control the H1N1 virus
C．cover your nose and mouth
D．everyone should buy a mask in the future
小題2:How does the viruses enter your body easily?
A．Get though your mouth．B．Get though your nose．
C．Get though your eyes．D．All of the above．
小題3:What can we do with the flu viruses?
A．Water．B．Masks．C．Soaps with surfactants．D．Tissues．
小題4:How long can the viruses live on the skin or other surfaces such as keyboards?
A．For an hour．B．For several hours．C．For two weeks．D．For a year．
小題5:Which of the statements is Not True?
A．Wash your hands before meals．
B．When you cough or sneeze，you should cover your mouth and nose with a tissue．
C．You shouldn't often touch your mouth，eyes and nose．
D．When you put a mask，you can often go to the crowded places．

小題1:B
小題2:D
小題3:C
小題4:B
小題5:D

試題分析：這篇短文主要介紹了四種防止H1N1病毒傳播的方法：不用手摸臉，勤洗手，打噴嚏或咳嗽時(shí)捂住鼻子或嘴，必要時(shí)戴口罩。
小題1:歸納理解題。根據(jù)短文描述，可知文章列舉的四點(diǎn)都是如何控制H1N1病毒傳播的。故選B。
小題2:細(xì)節(jié)理解題。根據(jù)第二段keep your hands away from your eyes，mouth and nose，all of which serve pathways(途徑) for the viruses(病毒) to enter your body描述，可知病毒可以通過你的眼睛，嘴，鼻子進(jìn)入你的身體。故選D。
小題3:細(xì)節(jié)理解題。根據(jù)第三段Soaps with surfactants(表面活性劑) can deal with flu viruses描述，可知表面活性劑能對付病毒。故選C。
小題4:細(xì)節(jié)理解題。根據(jù)第四段Viruses can live for hours，or even longer when on the skin or other surfaces such as keyboards描述可知病毒可以存活幾個(gè)小時(shí) 甚至更長時(shí)間，故選B
小題5:歸納理解題。根據(jù)最后一段Some research suggests that masks reduce the risk of getting the flu viruses by as much as 80%描述，戴口罩使流感病毒的風(fēng)險(xiǎn)降低了，但并不是就可以經(jīng)常去人群擁擠的地方。故選D
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