Unit4-Using-Language-重難點詞匯詳解

Unit4UsingLanguage重難點詞匯詳解1.powerfuladj.強有力的;有影響力的教材原文Beforeweleft,LiYanpingexplainedtomethattheforceofgravitywouldchangethreetimesonourjourneyandthatthefirstchangewouldbethemostpowerful.在我們啟程以前，李彥平向我解釋說,在我們的航行中會有三次引力的改變，第一次的改變將是最強的。經(jīng)典例句①Light isapowerfulbiologicalforce,andonmanyspeciesitactsasamagnet.光是一種有力的生物力，照在很多物種上就像磁鐵一樣。②Itcontainsapowerfuldrugwhichaffectsmosquitoes.它含有一種強效的藥物可以影響蚊子。③They dideverythingintheirpowertosavethebuildingdatingbacktotheQingdynasty,buttheireffortswereinvain.他們在能力范圍內(nèi)盡一切努力去挽救始于清朝時期的建筑，但是他們的努力白費了。（datebackto...追溯到）2.pulln.拉（力）；拖;牽引力教材原文Wearetoofarfromtheearthnowtofeelitspull….現(xiàn)在我們離地球太遠了,感覺不到它的引力…經(jīng)典例句①Passengersstoodandstretchedasthetrainpulledin.火車進站時旅客們站起來伸了伸懶腰。②The policemanpulledupthemotoristandaskedtoseehisdrivinglicence.警察讓那個駕駛員停車，要看他的駕照。③Whetherthebuildingsinthisareashouldbepulleddownhasremainedrelevant；peoplearestilllookingforotherpossiblesolutions.這個地區(qū)的建筑物是否該拆事關(guān)重大,人們?nèi)匀辉趯ふ移渌赡艿慕鉀Q辦法。（Whether引導(dǎo)主語從句）3.cheerup感到高興；感到振奮教材原文Icheeredupimmediatelyandfloatedweightlesslyaroundinourspaceshipcabinwatchingtheearthbecomesmallerandthemoonlarger.我立刻感到很高興，由于失重我在我們的太空艙里飄來飄去，我望著地球變得越來越小，而月球越來越大。經(jīng)典例句①I amtakingMaryouttocheerherup.我要帶瑪麗到外面轉(zhuǎn)轉(zhuǎn)，讓她振作起來。②Everybodygaveacheerwhenhewon.他贏了時，大家都歡呼起來。③Agreatcheerwentupfromthecrowd.人群中爆發(fā)出一陣熱烈的歡呼聲。④WheneverIencounterdifficulties，shewillencouragemeandhelpmecheerup.每當我遇到困難時,她總是鼓勵我，幫我振作起來。⑤Bathedinthesunshine,wejumpedandcheeredwithjoy.沐浴在陽光中,我們高興地又跳又叫。（bathed前省略了Whenwewere)4.practicen.練習；實踐教材原文“Ohdear,”Icried,“walkingdoesneedabitofpracticenowthatgravityhaschanged.”“天哪，”我大聲說既然重力改變了,走路也的確需要練一練了?！苯?jīng)典例句①Practicemakesperfect.熟能生巧。②Myfatherdevotedhislifetothepracticeoflaw.我父親當了一輩子的律師。③HelearnedtospeakEnglishwellbypracticingspeakingwheneverhehadachance.他一有機會就練習說英語,通過這個辦法他學會了說一口流利的英語。④HemadeuphismindtodevoteallhisenergiestopracticinghisspokenEnglishbeforegoingtocollege.他下定決心在進人大學之前，將所有的精力投入練習英語口語中。（devotesth.todoingsth.把用于做）5.nowthat既然；由于（引導(dǎo)原因狀語從句）教材原文“Ohdear，”Icried,“walkingdoesneedabitofpracticenowthatgravityhaschanged.”“天哪，”我大聲說既然重力改變了,走路也的確需要練一練了?！苯?jīng)典例句①Nowthatyouaregrown-up,youmuststopthischildishbehaviour.既然已經(jīng)長大了，你必須停止這種幼稚的行為。②Now thatdinnerisready,washyourhands.既然晚飯準備好了，洗手去吧。③Nowthatyou’vegotachance,youmightaswellmakefulluseofit.既然你有了這個機會，你不妨好好利用。（mightaswelldosth.做倒也不妨）6.getthehangof熟悉；掌握；理解教材原文AfterawhileIgotthehangofitandwebegantoenjoyourselves.過了一會兒，我掌握了走路的訣竅，然后我們開始痛快地玩起來。經(jīng)典例句①Once yougetthehangofthings,thechoiceoftheoperatingsystemwillbecomeeasy.一旦你掌握了這些知識，操作系統(tǒng)的選擇會變得容易。②Once yougetthehangofit，it’sapieceofcake!你一旦掌握了竅門，那就是小菜一碟?、跿here werealwaysgroupsofboyshangingaboutinthesquare.廣場上總是有一群群男孩在閑蕩。④Toaddspacetotheroom,hangamirroronthewalloraddafloormirrorintheroom.為了擴大房間的空間，可以在墻壁上懸掛一面鏡子，或在室內(nèi)加一塊地鏡。⑤Hehangedhisheadwhenheheardwhatshesaid.聽到她說的話,他低下了頭。7.breakout(戰(zhàn)爭、火災(zāi)、疾病等）突發(fā);爆發(fā)教材原文Wewatched,amazedasfirebrokeoutontheoutsideofthespaceshipastheearth’sgravityincreased.我們驚奇地看著，隨著地球引力的增加，宇宙飛船的外層起火了。經(jīng)典例句①Does everyoneknowwhattodoifafirebreaksout?如果發(fā)生火災(zāi)，大家都知道該怎么辦嗎？②Thecarbrokedownhalfwaytothedestination.汽車在到達目的地的中途拋錨了。③Thebandbrokeupin1970，buthappilytheyreunitedinthemid-1980s.這支樂隊在1970年解散了，但是令人高興的是,20世紀80年代中期他們再次聚在了一起。④Hekeptbreakinginwithsillyquestions.他不斷問一些愚蠢的問題來打岔。⑤Thepickpocketbrokeawayfromthepolicemanwhohadheldhisarm.警察雖然抓住了那個扒手的手臂，卻被他掙脫逃走了。⑥Scientists saytheyarebeginningtobreakthroughinthefightagainstcancer.科學家們說，他們在防治癌癥方面開始有所突破。8.watchoutfor當心;提防；密切注意教材原文Watchoutfor...注意….經(jīng)典例句①Watchout!There’sacarcoming.小心！有輛車開過來了。②Heclimbedthemountaincarefully,allthetimewatchingoutforlooserocks.爬山時，他步步小心，一直提防松動的石頭。③You’ll catchacoldifyoudon’twatch