高二英语人教版必修5课时作业：Unit5 Firstaid10含解析

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1、课时作业(十)SectionIILearningaboutLanguage&UsingLanguageI」阅读理解AAnosebleedcanbefrighteningtogetorsee,buttrytostaycalm.Mostnosebleedslookmuchworsethantheyreallyare.Almostallnosebleedscanbetreatedathome・Ifyougetanosebleed,sitdownandleanslightlyforward.Keepingyourheadaboveyourheartwillmakeyour

2、nosebleedless.Leanforwardssothatthebloodwillflowoutofyournoseinsteadofdownthebackofyourthroat.Ifyouleanback,youmayswallowtheblood.Thiscanmakeyouuncomfortable・Useyourthumbandindexfingerstopresstogetherthesoftpartofyournose.Keepholdingyournoseuntilthebleedingstops.Don'tletgoforatleast5m

3、inutes.Ifit'sstillbleedingafterthat,holditagainfor10minutesstraight.Youcanalsoplaceanicepackacrossthetoeofyournose.Oncethebleedingstops,don'tdoanythingthatmaymakeitstartagain,suchasbendingoverorblowingyournose・Themostcommoncausesofnosebleedsaredryness(oftencausedbyindoorheatinthewinte

4、r)andnosepicking.Thesetwothingsworktogether一nosepickingoccursmoreoftenwhentheliquidinthenoseisdry.Other,lesscommoncausesincludeinjuries,coldsorcocaineuse.Childrenmaysticksmallobjectsuptheirnose.Oldpeoplemayhaveinfectionsorhighbloodpressure.Thecauseofnosebleedsisoftenunknown.Mostnosebl

5、eedsaren'tserious.Theyoccurinthefrontpartofthenoseandstopinafewminutes.Afewnosebleedsstartinlargevessels（血管）inthebackofthenose,whichcanbedangerous.Theymayoccurafteraninjury.Thistypeofnosebleedismorecommonintheelderlyandisoftenduetohighbloodpressure,dailyaspirinuseorbleedingdisorders・1

6、・Accordingtothetext,nosebleeds・A.arenotfrighteningtogetorseeB・areusuallynotseriousandcanbecuredwiththerightmethodathomeC・mustbetreatedbydoctorsinthehospitalD・aren'tdangerousatall2・WhichofthefollowingisNOTtherightwaytotreatnosebleeds?A.Coolyournosewithiceorothercoldthings・B.Pressyourno

7、seslightlywithyourfingers.C・Leanbackwardstoslowdowntheflowofflood・D・Leanyourheadforwards,justaboveyourchest.3・What'sthemainideaofParagraph4?A.Nosebleedsarecausedbysomediseases・B・Nosebleedsarecausedbythedryweather.C・Yournosemaybeinfected.D・Thecausesofnosebleed・4・WhichofthefollowingisTR

8、UEacc