新视野大学英语unit five book one the battle against aids lead-in

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1、新视野大学英语UnitFiveBookOneTheBattleAgainstAIDSLead-inActivitiesText-structureAnalysisVocabularyEnrichmentTranslationWorkSectionAWritingAGoodHearttoLeanOnLead-inActivitiesTheBattleAgainstAIDSHIVistheHumanImmunodeficiencyVirus.Thisisthevirusthatspreadsthroughcontactwithinfectedblood,infectedsexual

2、partnersorwithinthewombofaninfectedpregnantmother.Afterinfectingaperson,HIVcanremainhiddeninthebodyforlonganddifferentperiodsoftimeuntilitbecomesactiveanddevelopsintoAIDSforwhichnoknowncureexists.Thevirusspreadsveryfastoncecontacthasbeenmadewithaninfectedsource.Lead-inActivities---WatchandDi

3、scussHowmuchdoyouknowaboutAIDS?What’syouropinionaboutthespreadofAIDS?3.Howshouldwefacewithit?Orwhatshouldwedotopreventit?VocabularyEnrichmentTheBattleAgainstAIDSacquire:vt.(1)获得；取得VocabularyEnrichmentForExampleSheacquiredaknowledgeoftheEnglishbycarefulstudy.她认真学习而精通英语。Somepeoplegobackforthei

4、reducationtoacquireanotherdegreeordiplomatoimpressthesociety.有些人回到学校去接受教育,是想再取得一个学位或一张文凭,以增强自己在社会上的地位。acquire:vt.(2)拥有；得到VocabularyEnrichmentForExamplSomesmokingandalcoholicdrinksareanacquiredtasteandarenotinborn.抽烟喝酒往往是一种后来习得的嗜好,并不是生来就有的。VocabularyEnrichment词语辨析acquire,obtain,gain,Get,picku

5、pVocabularyEnrichmentacquire表示通过努力或积累而获得才智、经验、能力、荣誉、财富，强调的是通过逐步的、持续的、缓慢的过程来获得某物，已经获得就永久保持。obtain为正式用语，多指凭努力或恳求“得到”或“找出”某物，强调愿望得以实现。gain为正式用语，指通过努力或拼搏得到利益或有价值的东西。get为口头用词，含义丰富，指通过某种手段或方法拥有某种东西，既可以指积极努力地去获得，也可指被动的得到，后可接双宾语。pickup指偶然的、无益的、容易的学会知识技能或获得信息。immune:a.(1)（常against,from,to与连用）免疫的；免受（伤

6、害）VocabularyEnrichmentForExampleimmunefromtaxation免税[taxes]beimmunetoallpleas不容申辩immune:a.(2)（常与from,to连用）被豁免的VocabularyEnrichmentForExampleThecriminalwastoldhewouldbeimmunefrompunishmentifhehelpedthepolice.罪犯被告知说,如果他协助警方,就可以免受惩罚。immunefromcriminalprosecution.免于刑事诉讼infect:vt.(1)传染；使感染Vocabul

7、aryEnrichmentForExampleOneoftheboysintheclasshadafeverandhesooninfectedotherchildren.班上的一个孩子发烧了，不久他就传染上了其他孩子。Ifyoureyesareinfected,youmustgotoanoculist.如果你的眼睛受到感染,就要去看眼科医生。infect:vt.(2)感染；影响VocabularyEnrichmentForExampleMary'shighspiritsinfectedall