Unit2 Words and Expressions課件-高中英語人教版（2019）選擇性必修第二冊

選必2Unit1ScienceandScientistsWordStudyLearningaimsBytheendofthisclass,you’reexpectedto:pronouncethewordsandexpressionsinthisunitcorrectlyandgetholdofthemeanings;learnsomeknowledgeaboutwordformationandusetherulestohelpmemorizevocabulary;usethewordsandphrasesflexibly(靈活地);Trytopronouncethenewwordsandexpressions.Payattentiontothestress(重讀)

andliaison(連讀).Underlineorcirclethephrases.LeadinPresentation1.severeadj.極為惡劣的；十分嚴重的；嚴厲的；激烈的【同根詞】severelyadv.嚴重地；嚴厲地2.frustratedadj.懊惱的；沮喪的；失意的【同根詞】frustratingadj.令人懊惱的，令人沮喪的frustratev.使懊惱，使沮喪frustrationn.[U]懊喪;懊惱;[C]令人懊喪/懊惱的事物3.contradictoryadj.相矛盾的;引起抵觸的【同根詞】contradictv.反駁，否認；相抵觸，相矛盾；發(fā)生矛盾contradictionn.矛盾，不一致；反駁，駁斥4.infectvt.[常用于被動語態(tài)]傳染;染上；污染，敗壞；（某種感情或興趣）影響；感染（計算機病毒）beinfectedwith...感染上...infect的【同根詞】infectionn.[U]傳染[C]傳染病infectedadj.受感染的infectiousadj.傳染(性)的5.subscribevi.訂閱(報紙、雜志等)；定期交納(會費)；定期捐款【同根詞】subscriptionn.訂購款，訂閱，訂購subscribern.訂閱人，訂購者,定期捐款者6.proofn.證據(jù)；證明；檢驗adj.防…的;抗…的【同根詞】provev.證明；被發(fā)現(xiàn)是

7.multipleadj.數(shù)量多的，多種多樣的n.倍數(shù)【同根詞】multiplyv.使增加；使相乘；使繁殖8.suspectvt.&vi.猜疑；懷疑；不信任n.[C]嫌疑犯;可疑分子suspicionn.懷疑;嫌疑suspiciousadj.可疑的;懷疑的proof后綴water-proofadj.防水的fire-proofadj.防火的;耐火的light-proofadj.不透光的bullet-proofvest防彈背心multi-前綴multimedian.多媒體multifunctionn.多功能multiculturen.多元文化9.interventionn.介入；出面；干涉【同根詞】intervenev.干預；介入10.pureadj.純的;純粹的;純潔的;純凈的【反impure】【同根詞】purelyadv.完全地;純粹地purityn.潔凈，純凈；純潔，清白purifyv.使?jié)崈?，凈化；洗滌（思想），凈化（心靈）；提純11.transformvt.&vi.使改觀；使改變形態(tài)【同根詞】transformationn.（徹底的）變化，改觀，轉(zhuǎn)變，改革12.initialadj.最初的【同根詞】initiallyadv.最初地initializevt.初始化13.patrioticadj.愛國的【同根詞】patrioticallyadv.愛國地patriotismn.愛國主義14.defendv.保衛(wèi)，辯解【同根詞】defensen.防御，防衛(wèi)defensiveadj.自衛(wèi)的15.assistantn.助理，助手【同根詞】assistv.幫助，參加assistancen.援助16.giftedadj.有天賦的

【同根詞】giftn.禮物，天賦；vt.賦予17.steadyadj.穩(wěn)定的，平穩(wěn)的【同根詞】steadilyadv.穩(wěn)定地；穩(wěn)固地18.faultn.過錯；缺點；缺陷；故障【同根詞】faultyadj.有錯誤的；有缺陷的faultlessadj.無錯誤的;完美無缺的1.___________________最終地；徹底地2.___________________同意；贊同3.___________________水泵4.___________________幸虧；由于5.___________________理論框架6.___________________(戰(zhàn)爭、打斗等不愉快的事情)突然開始；爆發(fā)7.________________主管；掌管8.________________追溯到9.________________(患)??；染上(小病)10.________________最重要的是；尤其是onceandforallsubscribetowaterpumpthankstotheoreticalframeworkinchargeoftracebacktocomedownaboveallbreakoutPractice一.單句語法填空1.Anyonebreakingthelawwillbe

(severe)punished.2.Denisworkedasan

(assist)atabookstoreduringthesummerholidays.3.Themanagerfellintoconfusionfacingthetwo____________

(contradiction)opinionsontheplan.4.Catherineisa

(gift)teacherandnevertalksdowntoherstudents.5.Stayingathomeifpossibleisasafewaytoavoidthe__________(infect)fromtheepidemic.

6.Themuseumcollection_________(vivid)showsthescenesofthecanal200yearsago.

severely

assistantcontradictorygiftedinfectionvividly二.單句表達1.警察懷疑錢是他偷的。Thepolice__________________________________．suspecthimofhavingtakenthemoney

2.看來水是罪魁禍首。Itseemedthat__________________________．thewaterwastoblame

3.由于你的幫助我們成功了。___________________，weweresuccessful.Thankstoy