Unit 1 Science and Scientists W ords and Expressions课件 人教版选择性必修第二册

XB2U1ScienceandScientists—WordsandExpressions词汇精讲1.

severe

adj.极为恶劣的;十分严重的;严厉的常考短语faceseverechallenges面临严峻挑战besevereon/with对…严厉=behardon=bestrictwith

severely

adv.严重地；严格地，严厉地

n.严重，猛烈

severity词汇精讲2.

对/因……灰心丧气be/feelfrustratedat/with3.

某人感染/传染上beinfectedwithvirus4.

与……矛盾/对立becontradictoryto5.

subscribev.认购（股份）；定期订购，定期交纳（会费）1.Isubscribedtoseveralmagazines.我订了几份杂志。2.WesubscribetoseveralsportschannelsonTV.

我们付费收看好几个体育频道。3.Weprefertosubscribetoanalternativeexplanation.

我们更赞同另一种解释。4.wesubscribetoananimalprotectionsociety.

我们定期捐款给一个动物保护协会。subscriptionn.捐助；订阅 anannualsubscription一年期订阅 subscriber

n.订阅人；定期捐款者词汇精讲6.

multipleinjuries多处受伤multiform

multicultural

multimedia

adj.多样的；多种形式的adj.多元文化的adj.多媒体的n.多媒体技术7.

suspectv.怀疑；疑有；不信任

n.犯罪嫌疑人；可疑对象常考短语suspectthat...怀疑/认为……suspectsb.tobe...怀疑某人是……suspectsb.of(doing)sth.怀疑某人(做过)某事amurdersuspect杀人嫌疑犯【即学即练】单句语法填空。1.Judgingfromhisabnormalbehaviour,Isuspectedhim

(be)athief.2.Thepolice

carryingdrugssotheywentthroughhisbag,butfoundnothing.tobesuspectedhimof8.

blamev.把……归咎于；责怪；指责

n.责备；指责常考短语betoblame(forsth.)该(为……)受责备；应该(为……)负责blamesth.onsb.把某事归咎于某人blamesb.for(doing)sth.因(做)某事责备某人lay/puttheblameon把责任归咎于……【即学即练】单句语法填空。1.Mary,ratherthanyou,is

(blame)fornotfinishingtheworkontime.2.Sheblamedherhusband

thefailureoftheirmarriage.3.

(blame)bytheteacher,Marywaspullingalongface.toblameforBlamed9.

handlev.处理

n.把手；柄常考短语thehandleofaknife刀柄

handleaproblem处理问题拓展：解决？tacklesolvesettleaddressdealwithapproachintervenepersonally亲自介入

governmentintervention政府介入10.

intervention

n.介入intervenev.介入核心用法单词变形词汇精讲11.

将A和B联系/连接起来linkAto/withB

与……有联系/有关belinkedto/with12.

重大进展substantialprogress13.

decrease

v.(使大小，数量等）减少；减小；降低n.减少；降低；减少量常考短语decreaseto...减少到…decreaseby...减少了…onthedecrease正在减少adecreasein在某方面减少【即学即练】单句语法填空。Thetrafficaccidentsinthecitydecreased______40%lastyear.Becauseofhumanactivities,thenumberofsomerareanimalsis____________.词汇精讲14.

thanksto幸亏；由于拓展：由于onaccountofowingtoduetobecauseofasaresultof词汇精讲15.

statisticn.统计数字statisticaladj.统计的，统计学的statisticallyadv.统计地；统计学上16.

transform

v.改变；转变；使改观transformationn.

常考短语transformAintoB把A变成B【即学即练】单句语法填空。Inthepast20yearsthecountry_____________________(transform)intoanadvancedindustrialpower.hasbeentransformed17.

initial

adj.最初的；开始的；第一的n.（姓名的）首字母initiallyadv.开始，最初initiativen.倡议；新方案常考短语theinitialstage最初阶段18.

cast(cast-cast-cast)v.投射；向……投以（视线，笑容）常考短语castaneye/one’seyesoversth.用眼光瞥;匆匆查看cast/throwlightonsth.使...较容易理解becastdown(bysth.)(因某事)沮丧castashadow投影intheshadows在阴暗处【即学即练】单句语法填空。Anyonewouldbecast

bysuchnews.Themoon

(cast)brightlightoverthegardenwhenIsawthroughthewindow.Recentresearchhasthrownnewlightonthecausesoftheclimatechange.downcastcast

[kɑːst]v.投掷;投射(光/影子);向……投以(视线/笑容)写出下列句子中画线部分的汉语释义。1.Againshe

cast

alooktowardthewindow.______2.TheplayisbeingcastinboththeUSandBritain. ________3.ThesitewhereZhangXianzhongcastlumps（块）ofpuresilverisbeingdug.________4.Toqualify,candidatesmustgetatleast10%ofthevotescast.________投射（视线）挑选演员扔投票19.

pourv.倒出;倾泻;斟(饮料)常考短语pourdown流下；（雨）倾盆而下

pourinto/in涌进【即学即练】单句语法填空。他是那样沮丧，泪水顺着他的面颊簌簌地落下。Hewassofrustratedthattearspoureddownhischeeks.词汇精讲20.

breakout战争、打斗等不愉快的事情）突然开始；爆发breakdown出故障；失败；垮掉；分解breakin破门而入；打断(谈话等)breakinto强行闯入breakawayfrom脱离；挣脱breakthrough突破21.

defend

v.保护；保卫；辩护defencen.防御；保卫defensiveadj.防御的；保护的；保卫的常考短语defend…from/against保护……免受；防御indefenceof为了保卫；为……辩护1.Somepeoplethinkthatstudentsshouldbetrainedtodefendthemselves

__someattacks.2.Whenthedogattackedtheboy,hedefended

(he)withastick.3.HehasemployedoneoftheUK'stoplawyers___________(defend)him.4.Allthepeople,menandwomen,youngandold,werefightingagainstthefloodin

(defend)oftheirownhomes.5.Thedamwasbuiltto______________________________awaybythesea.against/fromhimselftodefenddefencedefendtheroadfrombeingwashed词汇精讲22.

sb.beinchargeof主管；掌管（表主动）sth.beinthechargeof

受……的管理；由……负责takechargeof

掌管；负责freeofcharge免费chargev.

收费；要价；控告；充电chargesb.forsth.

为某物向某人收取费用chargesb.with(doing)sth.

控告某人(做)某事23.

gifted

adj.有天赋的；天资聪慧的giftn.天赋常考短语begiftedin(doing)sth.=