Unit9AIDS市公开课一等奖省赛课微课金奖课件

AIDS英语教育彭金龙1/11Revision1.危险；风险

risk2.感染；传染

infect;infection3.预防办法或方法

precaution4.病毒

virus5.循环

circulate6.打退；尽力克服fightoff2/11Leadingin3/11Newlesson

Severalmonthsago,IvisitedafriendwhowashospitalizedwithAIDS.IaskedthedoctorwhetherIneededtotakeanyprecautions.

“You’remoreofarisktohimthanheistoyou,”saidthedoctor.“Youmighthaveacoldorsomeinfection.Thatwouldbeveryseriousforhim,becausehehasnoresistance.”Therisktome,thedoctorsaid,wasalmostnone.4/11NewlessonAIDSistheplagueofthe20thcentury.Itisadiseasecausedbyavirus-HIV.WithinonetothreeweeksafterinfectionwithHIV,mostpeopleexperienceflu-likesymptoms,suchasfever,sorethroat,headache,skinrash,andafeelingofdiscomfort.Thesesymptomslastonetofourweeks.Duringthisperiod,HIVreproducesrapidlyintheblood.Theviruscirculatesinthebloodthroughoutthebody.5/11NewlessonThesymptomsofAIDSfeversorethroatheadacheskinrashafeelingofdiscomfortTimeLastonetofourweeks6/11NewlessonHIVdestroysthatperson’simmunesystem,leadinghimwithnoabilitytofightoffgermsandviruses.Gradually,thepersonwillbecomeveryweak,getinfectedanddie.HowdoesHIVleadpeopletodeath?7/11NewlessonAIDScanbespreadinmanyways.Itistransmittedmainlythroughthefollowingways:sexualcontacts,infectedbloodtransfusions,andsharingofinfectedneedlesamongdruguses.Youdon’thavetoworrywhenyouarewithanAIDSpatientoranHIVcarrierbecauseAIDSisnottransmittedthroughhand-shakinganbreathing.8/11PracticeAnswerthefollowingquestions.1.WhydoesavisitorbringmoreriskstoanAIDSpatientthanthepatienttohim？2.WhatisAIDSandWhatisHIV?3.HowdoesHIVharmaperson？4.Whatarethewaysthroughwhichpeoplecangetinf