(精品课件)Unit1Wordsandexpressionslanguagepoints单词词汇语言点详解

Unit1ScienceandScientists

WordsandExpressions1.frustratedadj.懊恼的，沮丧的，失意的

frustratevt.挫败，阻挠，使感到灰心frustratingadj.令人沮丧的frustrationn.懊恼，沮丧，令人懊恼的事物2.infectv.传染;使感染,使感染(某种感情);影响beinfectedwith感染上……,传染上……infectionn.感染;传染infectiousadj.

传染性的1.Peoplewiththevirusmayfeelperfectlywell,buttheycanstillinfectothers.2.Lucy’senthusiasmsooninfectedtherestoftheclass.3.subscribev.定期订购，定期缴纳(会费)subscribeto同意,赞成

subscriber

n.

订阅人；定期捐款者；消费者subscription

n.

订阅；订阅费；定期捐款Youcansubscribetothemagazineforaslittleas$32ayear.

Shesubscribestoanenvironmentalactiongroup.4.suspectvt.&vi疑心；不信任；n.犯罪嫌疑人(1)suspectsb.of(doing)sth.疑心某人(做过)某事suspectsb./sth.tobe/as...疑心某人/某物是……(2)suspicionn.疑心；疑心undersuspicion被疑心(3)suspiciousadj.疑心的；可疑的besuspiciousof/aboutsth.对某事疑心单句语法填空①Anymanwhohaswitnessedtheattackis_____suspicion.②Someofhiscolleaguesatworkbecame__________(suspect)ofhisbehaviour.完成句子老板疑心他从公司拿走了电脑。Theboss_______________________thecomputerawayfromthecompany.undersuspicioussuspectedhimoftaking5.blamedvt.责备；谴责；把…归咎于；n.过失；责备(1)blamesb.forsth.因某事而责备某人blamesth.onsb.把某事怪到某人头上betoblame应受责备；应负责任(2)bear/taketheblamefor...对……负责lay/puttheblameforsth.onsb.把某事归咎于某人身上单句语法填空①Onceyouformthehabitofblamingsomebodyorsomethingelse___abadsituation,youarealoser.②Lotsofpeoplefindithardtogetupinthemorning,andputtheblame__thealarmclock.③Itwastheprofessorratherthanhisassistantthatwas________(blame)forwhathadhappenedinthelab.for

ontoblame6.linkn.联系；纽带vt.把……连接起来；相关联[知识拓展](1)link...to/with... 将……和……联系或连接起来linkup 连接；结合linkupwith... 与……联合；使与……衔接(2)alinkbetweenAandB A与B之间的联系to/withwithislinked

单句语法填空①ThenewtunnellinksBritain

France.②Thetwospacecraftwilllinkup

eachotherinorbit.③Thecountry

(link)tothetownbyanewbridge.7.decreasen.减少vt.&vi.(使大小、数量等)减少(1)onthedecrease 在减少中adecreasein... 在……方面减少(2)decreaseto... 减少到……decreaseby... 减少了……decreasefrom...to... 从……减少到……

单句语法填空①Thereisadecreaseofnearly7%

thenumberofvisitorstothemuseum.②Theaccidentshavedecreased

20%sincethemeasurehasbeentaken.③Becauseofhumanactivities，thenumberofsomerareanimalsis

thedecrease.inbyon8.thanksto幸亏；由于Thankstohisresearch，theUNhasmoretoolsinthebattletoridtheworldofhunger.多亏了他的研究，联合国在消除世界饥饿的战斗中又多了些方法。词条用法常作成分thanksto“多亏”，多放在句首，用来表达正面意思(接近于原意

“感谢”)，偶用于讽刺口吻。作状语owingto“由于、因为”，可置于句首或句末。常作状语、表语dueto表示原因，可与owingto互换常作表语、状语定语becauseof着重某个结果的原因常作状语9.transformvi.&vt.改变，转变；使改变Moreover，inhisuseofmapsandstatistics,Snowtransformedthewayscientistsstudydiseases.另外，斯诺利用他对地图和数据的使用，改变了科学家研究疾病的方式。(教材P3)(1)o...把……变成……transformsb./sth.from...把某人/物从……中转变(2)transformationn.改变，变革

单句语法填空①Thehealthsecuritysystemsofmanycountriesareundergoingconsiderable______________(transform)．②Everymomentofeveryday,energy__________________(transform)fromoneformintoanother.③Iwasastudentandhadmylifetotally________________(transform)by

thatexperience.transformationtransformed

isbeingtransformed10.breakout(战争、打斗等不愉快的事情)突然开始；爆发(教材P7)However，aftertheSonghuBattlebrokeoutin1932，QianmadethedecisiontoswitchhismajortoaviationbecauseherealisedthatChinaneededitsownpowerfulairforcetoprotectanddefendthecountry.然而，在1932年“淞沪会战〞爆发后，钱学森决定转学航空专业，因为他意识到中国需要强大的空军来保护和保卫国家。breakin

强行进入；打断breakthrough突破；冲破breakup破碎；解散；分手breakoff断开；中断；停顿breakawayfrom逃脱；脱离breakinto强行闯入；突然开始breakdown出故障；垮掉【练透考点】用break的短语填空①He______________myhouseandstolemymoney.②Themeeting________________ateleveno'clock.③Hedecidedtobreak______fromhomeaftergraduation.brokeintobrokeup

away11.inchargeof

主管;掌管【词汇拓展】(1)takechargeof掌管/负责……insb.'scharge＝inthechargeofsb

由……主管(2)freeofcharge=forfree免费(3)chargesbforsth为某物向某人收取费用chargesbwith(doing)sth控告某人(做)某事用charge的短语完成句子①公司管理很差，直到她掌管为止。Thecompanywasbadlyorganizeduntilshe_________________.②演员们都愿意免费出演。Theperformershaveallofferedtheirservices__________________.③当老板不在的时候由汤姆负责公司业务。Thecompany_____________________whenthebossisaway.＝Tomis________________________whenthebossisaway.

tookchargeofitfreeofcharge

isinthechargeofTom

inchargeofthecompany12.assistantn.助理，助手assistv.帮助，援助，协助assistsb.withsth.帮助某人做某事assistsb.todosth.帮助某人做某事assistsb.indoingsth.帮助某人做某事assistancen.帮助，援助13.giftedadj.有天赋的，有天才的，天资聪明的begiftedin/at在…方面有天赋/才华begiftedwith…具有…天赋giftn.天赋，