how many times did you brush your teeth yesterday-阅读理解答案

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1、Howmanytimesdidyoubrushyourteethyesterday?阅读理解答案　　Howmanytimesdidyoubrushyourteethyesterday?　　·Finding：Afull33%ofseniorsbrushtheirteethonlyonceaday.　　·Step：Removethe300typesofbacteriainyourmoutheachmorningwithabattery－operatedtoothbrush.Brushgentlyfor2minutes,atleasttwiceaday.　　2．Ho

2、wmanytimesdidyouwashyourhandsorbatheyesterday?　　·Finding：Seniors,onaverage,bathefewerthan3daysaweek.Andnearly30%washtheirhandsonly4timesaday—halfofthenumberdoctorsrecommend.　　·Step：Wetouchourfacesaround3，000timesaday—ofteninvitinggerms(病菌)toenterourmouth,nose,andeyes.Usetoiletpapert

3、oavoidtouchingthedoorhandle.And,mostimportant,washyourhandsoftenwithhotrunningwaterandsoapfor20seconds.　　3．Howoftendoyouthinkaboutfightinggerms?　　·Finding：Seniorsarenotfightinggermsaswellastheyshould.　　·Step：Beawareofgerms.Doyouknowitisnotyourtoiletbutyourkitchensponge(海绵)thatcancar

4、rymoregermsthananythingelse?Tokillthesegerms,keepyourspongeinthemicrowavefor10seconds.　　小题1:WhatisfoundoutaboutAmericanseniors?A．Mostofthemhavegoodhabits.　　B．Nearly30%ofthembathethreedaysaweek.　　C．Allofthemarefightinggermsbetterthanexpected.　　D．Aboutonethirdofthembrushtheirteethonly

5、onceaday.　　小题2:Doctorssuggestthatpeopleshouldwashtheirhands________．A．twiceadayB．threetimesaday　　C．fourtimesadayD．eighttimesaday　　小题3:Whichofthefollowingistrueaccordingtothetext?A．Weshouldkeepfromtouchingourfaces.　　B．Therearelessthan300typesofbacteriainthemouth.　　C．Akitchenspongecan

6、carrymoregermsthanatoilet.　　D．Weshouldwashourhandsbeforetouchingadoorhandle.　　小题1:D　　小题2:D　　小题3:C　　试题分析：你昨天刷了几次牙？你昨天洗了几次手？刷了几次厕所？你多久消一次毒？这些调查报告有助于我们了解一下关于个人卫生和健康的现状。　　小题1:细节理解题。根据第一项调查中“Afull33%ofseniorsbrushtheirteethonlyonceaday.”可知，大约有三分之一的美国老年人一天只刷一次牙。　　小题2:细节理解题。根据第二项调查中“…4time

7、saday—halfofthenumberdoctorsrecommend”可知，四次是医生建议次数的一半，也就是说，医生建议老年人每天洗八次手，故选D。　　小题3:细节理解题。根据文章倒数第二句“Doyouknowitisnotyourtoiletbutyourkitchenspongethatcancarrymoregermsthananythingelse？”可知，厨房里的海绵比卫生间带有的细菌还要多。