SectionⅡWelcometotheunit&Reading—LanguagePointsⅠ.高频单词1.deadlyadj.致命的;彻底的2.bidn.努力争取vi.出价;投标;试图3.prescriptionn.处方(药),药方4.bathevt.&vi.(给……)洗澡→bathn.洗澡5.unprotectedadj.无防护的→protected(反义词)受保护的→protectvt.保护→protectionn.保护6.preventionn.预防,防止→preventvt.预防,防止Ⅱ.重点短语1.be_harmful_to对……有害2.give_a_sideways_glance向旁边瞥了一眼3.pass_on把(疾病)传染给;传递(某物)4.contrary_to与……相反5.burstonthescene突然出现6.losesb.to...因为……而失去某人7.devoteoneselfto专注8.haveaccessto有机会使用Ⅲ.经典句型1.[句型展示]Eventually,thebody’simmunesystembecomessoweakthatthepersonoftenbecomesveryillfromusuallymildsicknesses.最后,人体的免疫系统变得如此脆弱以至于一些轻微的疾病都会使这个人病得很严重。[典例背诵]Theteacherwastellingussointerestingastorythatweallforgotthetime.老师给我们讲了一个这么有趣的故事,结果我们都忘记了时间。2.[句型展示]There_areover30millionpeoplelivingwithHIVworldwide.现在全球有多于三千万的艾滋病毒携带者生存着。[典例背诵]Therearetwoboysplayingbasketballontheplaygroundnow.有两个男孩正在操场上打篮球。1.unprotectedadj.未采取保护措施的,无防护的[教材原句]Thevirusisspreadinthreeways—itcanbepassedonthroughunprotectedsex,throughbloodandfromamothertoherchild.这种病毒通过三种方式传播——它可以通过没有防护措施的性行为、血液及母婴传播。①Asmuchas40percentofunprotectedcropshavebeendestroyed.没有采取保护措施的庄稼被损毁的多达40%。(1)protectionn.保护;保障;抵御;防卫underprotection受保护(2)protectvt.保护protect...from/against保护……不受……侵害(3)protectiveadj.保护的;防护的②Theytraveledundertheprotectionofanumberofsoldiers.他们在一些士兵的护卫下旅行。③Theplantsshouldbeprotectedfrom/againstthecold.应该保护这些植物使之不受冻。[即境活用1]用protect的适当形式填空①Herthincoatgave/providedlittleprotectionagainstthecold.②He’sveryprotectivetowardshissister.2.burstonthescene突然出现[教材原句]However,sincethediseaseburstonthesceneinthe1980s,ithasbecomeaseriousproblemaroundtheworld.但是,自从艾滋病在20世纪80年代突然爆发以来,它已经成为一个严重的全球性问题。①VariouscomputergamesburstonthesceneduringtheInternetboom.在互联网热潮时期,各种各样的电脑游戏出现了。onthescene当场,在现场come/appear/arriveonthescene到场behindthescenes秘密地,在幕后,不公开的②Itwasnotlongbeforeahelicopterarrivedonthescenetorescuethesurvivorsoftheplanecrash.不久,一架直升机来到了现场搭救那次空难中的幸存者。③Mostimportantpoliticaldecisionsaremadebehindthescenes.大多数的重要政治决定都是秘密作出的。[即境活用2]Alotofnegotiatinghasbeengoingon________thescenes.A.withB.inC.behindD.at解析:选C。句意:广泛的谈判一直在秘密进行。behindthescenes“在幕后,不公开地”。3.losesb.to...因为……而失去某人[教材原句]AccordingtotheWorldHealthOrganization(WHO),morethan4millionchildrenhavediedofAids,andmorethan15millionchildrenhavelosttheirparentstoAids.根据世界卫生组织(WHO)的统计,已有超过四百万的儿童死于艾滋病,超过一千五百万的儿童由于艾滋病失去了父母。①Shehasjustlostherhusbandtoheartfailure.她丈夫刚因心力衰竭去世了。losesb.sth.使某人输掉或失去某物loseoneselfin...全神贯注于……loseheart灰心loseone’sway迷路loseweight减轻体重②Thosecommentsmaywellhavelostthemtheelection.那些评论很可能使他们输掉这场竞选。③Myteachertoldmenottoloseheart.我的老师告诉我不要灰心。[即境活用3]完成句子①他最近体重轻了不少。Hehas_lostalotofweightrecently.②上周她母...