Unit4知識精講教師版varyv.(根據情況)變化；變化⑴詞性變化：variousadj.各種各樣的〔近10年變化7次〕一varietyn.變化，多樣性(p.L-varieties)①【2021年.全國乙卷】various(vary)noiselevel各種噪音的區別②Thesebagsaremadeofvarieties(vary)ofmaterialsthatcanbeeasilytreatedwhentheybecomerubbish.(2)應用文背誦語句③翻譯：按方案，我們參加了各種有益的活動。Asscheduled,weparticipatedinavarietyofinstructiveactivities.?Itenablesustohaveaccesstovariousbooksandstimulateourreadinginterest.翻譯：它使我們接觸到各種各樣的書并激發我們的閱讀興趣。翻譯：通過學習英語，我們可以開闊視野并且增加各個領域的知識。BylearningEnglish,wecanbroadenourviewandincieaseourknowledgeinvariousfields.固定搭配：①varywith隨著…而變化varyaccordingto…隨著…而變化varyfrom...to...②avarietyof=varietiesof各種各樣的③varyin在…有變化，常指(大小形狀等)相異不同，有差異appropriateadj.適當的，恰當的一appropriatelyadv.適當地，恰當地一appropriatenessn.適當，恰當-^inappropriateadj.不恰當的，不適當的固定搭配：beappropriateto/for適當，恰當,和…相稱固定句式：Itisnotappropriatethatsb.(should)dosth.某人做某事是不適宜的應用文語句背誦：Itisappropriatethatweshouldstartacampaigntoprotectourenvironment.我們應當發起一項保護校園環境的活動。bycontrast=bycomparison相比之下(2次)記住短語即可Incontrastto+doingsth./sth.Itseemsquitewarmtodayincontrasttoyesterday'sicywind.與刺骨的寒風相比，今天是相對暖和的。approvevi.贊成，同意vt.批準，通過一approvaln.贊成，通過一disapprovev.不贊成，不同意一approvingadj.贊成的，反對的(5次)(1)固定搭配：meetwith/eamone'sapproval得到某人的認可應用文語句背誦：rdappreciateitifIcouldmeetwithyourapproval.(申請信)⑵贊成/同意做某事：approveofsb/sb'sdoingsth不可說：approvesbtodosth.xMymotherdoesn'tapproveofmyattendingsuchapartybecauseitwillfinishatmidnight.續寫預料：翻譯：①他媽媽向前探身對他投出贊許的目光。Hismotheileanedforwaidandgavehimanapprovinglook.②Whetheryouapproveornot,thishasbeenaneraofboldmovement.無論你贊成與否,這是一個敢做作為的時代。witnessn.目擊者，證人v.目擊，見證(20次左右)be(a)witnesstosth.某事的證人考查角度：Hehasbeenwitnesstoaterriblemurder.⑵背誦語句：過去十年見證了家鄉的巨大變化。Thelasttenyeaishaswitnessedgieatchangesinouihometown.employv?使用，利用；雇用一employeen.雇員一employern.雇主一unemploymentn.失業(15次)⑴employsbas...雇用sb作為…emloysbtodosth.雇用某人做某事beemployedindoingsth.=employoneselfindoingsth.=beoccupiedindoingsth.忙于做某事Heisemployedinmathsteaching.固定搭配：outofemployment失業考查角度：①Onceemployed(employ),Iwillsparenoefforttorepayyouforyourtrust.?Employed(employ)inworkingeveryday,hehasnotimetoaccompanyhisfamily.?Employing(employ)himselfinworkingeveryday,hehasnotimetoaccompanyhisfamily.differvi.相異于，不同—>differentadj.不同的一differentlyadv.不同地-^differencen.(15次)differfrom...與…不同/有區別differin在…方面不同differwithsb.on/about/oversth.與某人在某事上持不同的看法⑵bedifferentfrom與…不同⑶makea/nodifference有影響，起作用/無影響，不起作用makemuch/littledifference對…有很大的影響/對…幾乎沒有影響穩固練習：BritishEnglishisdifferentfromAmericanEnglish.Theydifferinmanyminoraspects,suchasspellingandpronunciation.AllEnglishspeakersunderstandeachother,butitishelpfultoknowaboutsomeofthedifference.favour(1)n.幫助，恩惠，贊同固搭：dosbafavour幫某人一個忙owesbafavour欠某人一個人情infavourof=befor支持，贊同outoffavour失寵，不受歡送(5次)(2)favourdoingsth/sth較喜歡，有利于helpsb替換高級形式用：dosbafavourbreakdown多層含義：消除，分解，分類，打破，破壞，破裂，機器出故障,失敗，失效，崩潰〔9次）breakaway（from）逃脫，擺脫breakoff斷開，折斷breakout爆發breakinto破門而入breakthrough突破breakup粉碎，解散angern.生氣，憤怒一angryadj.生氣的，憤怒地一angrilyadv.憤怒地45次續寫背誦語料：①Wecouldn'tcontainourownanger.我們無法控制自己的怒火。②Theroomwasfilledwithanger.房間里充滿了怒火。③Hecouldfeeltheangerwellingupinsidehim.他能感覺至U自己怒火中燒。④Hesaidwith/inanger.他生氣地說。⑤Gilwaspaleandtremblingwithanger.Gil臉色蒼白,氣得發抖。reliableadj.可信賴的，可靠的一relyv.依靠，依賴一unreliableadj.不可靠的，不能信賴的（24次）固定搭配：relyon/upon=dependon依靠，依賴relyonsbtodosth./relyonone'sdoingsth.相信/依賴某人做某事relyonitthat...一句多譯練習：你可以相信當你在困難時我會幫助你。①Youcanrelyonmetohelpyouwhenyouareintrouble.（DyoucanrelyonitthatI'llhelpyouwhenyouareintrouble.③Youcanrelyonmyhelpingyouwhenyouareintrouble.Thereisnothingbetterthanseeinqthesmilingfaceofagoodfriend.沒有什么比看到一個好朋友的笑臉更好的了。仿寫句式翻譯練習：①沒有什么比在同學面前被老師表揚更好的了。Theieisnothingbetteithanbeingpraisedbytheteacheibeforeclassmates.②從我的觀點來看，日常生活中沒有什么比健康更為重要的了。Fiommypointofview,nothingismoreimportantthanhealthinourdailylife.類似表達拓展如下：（1）否認詞+比擬級“沒有比…更…；沒有像…一樣…〃，常用的否認詞有no,not,never,nothing,nobody,hardly等。Icouldn^agreemore.我十分贊同。（1）翻譯：她唱的多美妙！我從沒聽過比這更好聽的聲音了。Howbeautifullyshesings!Ihaveneverheardabettervoice.ItwasnotuntilthenIsuddenlyrealizednobodywashappierthanIwas.翻譯：直到那時我突然意識到沒有任何人比我更快樂的了。知識檢測一、填詞題Herelderbrotherisemployed（雇傭）asacookinabigrestaurant.MyyoungerbrotherandIdiffer（不同）fromeachotherinmanyrespects.Bycomparison（比擬）withlastyear,thepriceofthehousehasslightlyincreased.Theskinactsasabarrier(屏障)againstdiseaseandthesun*sharmfulrays..Weneedsomebodytointerpret(口譯)RussianintoEnglish.Pleaserememberthatreturnthefavour(恩惠)whensomeoneisintrouble.Hewouldnotmakeanygestures(姿勢)thatwouldshowweakness.The21stcenturywitnesses(目睹)therapiddevelopmentofinformationtechnology.Thegovernmentapproved(贊成)oftheideathatpollutionshouldbeforbidden.Housepricesvary(變化)fromplacetoplaceandareusuallyhighwheretherearefamousschools.二、詞形轉換和動詞的形式變換(用所給詞的正確形式填空)Hedecidedtogoabroadforfurtherstudywiththeapproval(approve)ofhisparents.Yourtimecouldbeusefullyemployed(employ)inattendingnightclass.Therearetwowitnesses(witness)whohappenedtobeonthespotwhentheaccidenthappened.Theyounggirlmadeamostfavourable(favour)impressiononthem.Varieties(vary)offlowerswereonshowinthestreetonNationalDay.Toavoidbeingcaught(catch)inthetrafficjam,Iusuallysetoutat7：00inthemorningfromhome.Hearingwhathissonsaid,Mr.Kingwastremblingwithanger(angry).Ourrelationshipsandmemoriesarebuiltonourinteraction(s)(interact)withotherpeople.三、固定用法和搭配(在空白處填入1個適當的單詞或括