Unit3ConservationTopicTalk重点词汇课件高中英语北师大版选择性

Unit3Conservation1.conservationn.保护（对比：conversation）conservev.保护（protect/preserve/guard/safeguard/defend）(保护....免受....)reservev.预定，保留deservev.应得，值得observev.观察，遵守preservev.保护，保存conservativeadj.保守的，守旧的2.threatn.威胁；（灾难等坏事）发生的可能underthreat

遭受威胁athreatto对.....是个威胁译：污染对这一物种的继续生存造成威胁Pollutionposesathreattothecontinuedexsitenceofthisspecies.threatenv.威胁n/adj＋-en（shorten/strengthen/deepen/encourge/enrich/enable/weaken/widen）译：交通问题不仅影响我们的正常生活，而且可能危及到人的生命Trafficissuesnotonlyaffectoureverydaylife,butalsothreatenpeople’slife.threateningadj.带有威胁的v3.switch/switf/vi.&vt.转换，改变

switchto转向

译：铁人三项运动员们应该转向另外一种运动Triathetesshouldswitchtoanothersport.

switchfrom从.....转换

switchover换台，转换

switchon打开(turnon)

switchoff关闭(turnoff)语境：sheswitchedoffthelightandcametothelivingroom.ThensheswitchedontheTVandswitchoverchannel10.同义：exchange/turn4.havearole起某种作用(重要/积极/消极)have/playarole/partin在.....方面起.....作用/在....中扮演....角色译：这在我们的生活中起着重要作用Itplaysanimportantroleinourlife.

It可以是网络等5.huntvi.&vt.猎取，猎杀

huntfor寻找（lookfor/searchfor）译：他们正在忙着寻找线索Theyarebusyhuntingfortheclues.huntern.猎人huntingn.打猎

6.urgent

adj.紧急的，急迫的urgentaction紧急行动

inurgentneedof急需.......译：我们的国家急需人才Ourcountryisinurgentneedoftalentedpeople.Itisurgentthat.......(从句谓语动词用虚拟语气)urgev.敦促；力劝urgesbtodosth敦促某人做某事译：她敦促我们为那些急需食品和衣服的人募捐Sheurgedustocollectmoneyforthosewhowereinurgentneedoffoodandclothes.urgencyn.紧急

7.dieout消失（侧重消亡），灭绝（extinct/extinction）译：许多濒危动物在灭绝Manyendangeredanimalsaredyingout.dieof/from死于.....dieaway（声音,光线,风）逐渐削弱dieoff（家族，种族）相继死去die/death/dying/dead

8.mass

adj.大量的

n.团；块；许多amassof/massesof

许多；大量

译：大批顾客正进入超市Massesofcustomersareenteringthesupermaket.译：大量歌迷在机场欢迎他们Amassoffanswouldwelcomethemattheairport.大量,许多短语：alargeamountof/agreatdealof/plentyofmassiveadj.巨大的9.variedadj.不同的，各种各样的variousadj.不同的，各种各样的varyv.使不同，变化varyin在.....方面不同varywith随着....变化varietyn.种类，多样性avarietyof=varietiesof各种各样的(allsortsof/awiderangeof)10.blame

vt.责怪，指责n.罪责，过错blamesbfor(doing)sth因（做）某事责备某人译：她没把她父亲的死归罪于任何人Shedoesn’tblameanyoneforherfather’sdeath.blamesthonsb/sth

把某事归咎于某人/某事译：不要总把自己的失败归咎于他人Don’talwaysblameyourownfailureonothers.betoblame(for..)

（对....）负有责任Whoistoblameforthefire?同义：scold/telloff/criticize11.endangeredadj.濒危的endanger

v.危害译：吸烟有害健康Smokingendangersourhealth.dangern.危险indangerof处于.....危险之中dangerousadj.危险的

12.beatrisk处境危险，受到威胁riskn.风险v.冒着....的风险译：经常运动会增加患心脏病的风险Regularexercisereducestheriskofheartdisease.at

risk

处境危险putsb.atrisks置某人于危险境地attheriskofdoingsth冒着....的危险做译：他冒着生命危险救了我Hesavedmylifeattheriskoflosinghisown.riskdoingsth冒险做某事译：Youngpeoplemayriskgoingdeafiftheyareexposedtoveryloudmusiceveryday.riskyadj.冒险的

13.setout开始做某事，着手进行（start）setouttodosthsetaboutdoingsth译：她开始打扫屋子Shesetouttocleanthehouse.setoff出发；引起；使爆炸译：开门会引发警报（alarmed）Openingthedoorwillsetoffthealarm.setup建立;安装

（found/build/establish）setapart留出

14.awareadj.意识到的，明白的unawareadj.未察觉的be/becomeaware/unawarethat/of...意识到……（=beconsciousof）

译：我意识到这次活动的现实重要性Iamawareoftherealisticsignificanceofthisactivity.译：很多学生不知道手机的危害

Manystudentsareunawareoftheharmofmobilephones.awarenessn.意识（近义词：consiousness意识）environmentalawareness环境意识raise/increasepublicawarenessofsth.加强/增强公众对某事物的意识译：应该增强公众对环境保护的意识译：这个项目旨在提高人们的文化意识

15.anxious/'eenkfas/adj.焦虑的，不安的beanxiousaboutsth./forsb.为……担心译：父母自然为儿女担心Parentsarenaturallyanxiousfortheirch