1八年级下U1知识点复习教案Wordsandexpressions.Ⅰ.Words.1.fighter斗士；战士e.g.Shewon'tgiveupeasily;she'sarealfighter.她不会轻易放弃的，她是一个真正的斗土。Doctorsandnursesarediseasefighters.Theyalwaysfightagainstallkindsofdiseases.医生和护土是与疾病斗争的战土。他们总是和各种疾病作斗争。Whenthepolicecame,thefightersranaway.警察到来时，斗殴的人溜走了。【知识拓展】fightn.打架，战斗，斗志e.g.Thetwoboyshadafight.两个男孩打了一架。fightv.(fought;fought)（常与against，with连用）打仗；战斗e.g.Peopleoftenhavetofightwiththeenemy.人们往往不得不抗击敌人。2.supposev.推想，假设e.g.Scientistssupposedthatlargedinosaurslivedinswamps.科学家们猜想大型恐龙栖居于沼泽地中。Supposeyourfathersawyounow,whatwouldyousay?假设你父亲现在看到了你，你该怎么说？3.pureadj.纯的，纯粹的，纯净的e.g.Thewaterinmountainriversisusuallypure.流经山间的河水通常是纯净的。ShespeakspureFrench.她讲一口纯正的法语。4.naturaladj.自然的，自然界的e.g.Itisnaturalforacattocatchmice.猫捉老鼠是本能。Fireisoneofthenaturalelementsinnature.火是自然界中的自然元素之一。【知识拓展】naturen.自然，自然界，大自然e.g.Thisphenomenonisuniqueinnature.这种现象在整个自然界是罕见的。5.gasn.气体e.g.Thereareseveralkindsofgasintheair,withnitrogenamountingtothemostpart.空气中有好几种气体，氮所占的比重最大。6.releasev.释放，解放e.g.Ireleasedthehorseanditranaway.我放了这匹马，让它跑了。Fourprisonerswerereleased.四名犯人被释放了。【知识拓展】releasen.释放；解脱e.g.Shecanexpectanearlyreleasefromprison.她有望早一点儿出狱。7.chemicaln.化学物质，药品e.g.Thefarmersusechemicalstokilltheinsectsinthefields.农民用化学药品来杀死地里的害虫。【知识拓展】chemicaladj.化学的chemistryn.化学chemistn.化学家，药剂师8.nastyadj.令人厌恶的，令人不悦的e.g.There'sanastysmellcomingfromthatsewer.下水道里发出一股很恶心的味道。2Don'tbesonasty!不要发脾气啦！9.communicatev.沟通，通信e.g.Mynet-palandIcommunrcatewitheachotherontheInternet.我和我的网友通过网络保持联系。TheMinisterforForeignAffairshasalreadycommunicatedonthiseventwiththeAmericanPresident.外交部长已经跟美国总统就此事件交换过意见了。Thisroomcommunicateswiththeotherroom.这个房间与那个房间相通。10.hardlyadv.刚刚，几乎不e.g.Icouldhardlyunderstandthetheory.我几乎不能理解这个理论。Wehadhardlybegunwhenitbegantorain.我们刚一举步就下起雨来了。ItwassodarkthatIcouldhardlysee.天那么黑，我几乎什么也着不见。Ithardlysnowshereinwinter.这里的冬天几乎不下雪。【知识拓展】hardadj.坚固的，困难的adv.努力地，剧烈地e.g.Shefoundithardtomakeuphermind.她发觉很难下决心。Itwasraininghardlastnight.昨晚雨下得很大。11.warnv.警告【常用搭配】warnsomebodyaboutsomething警告某人某事e.g.warnsomebodynottodosomething警告某人不要做某事Thegovernmentwarnedthepeopleaboutthecomingtyphoon.政府警告人民台风将要来袭。Imustwarnyounottogoout.Thereisastorm.我必须警告你不要出门，外面暴风骤雨。【知识拓展】warningn.提醒；警告e.g.Becauseofherwarning,Iwascareful.由于她的提醒，我很小心。单词扩展速背：destroyv.破坏；毁坏destructionn.毁坏；毁灭fightern.战士fightv./n.战斗，打架productn.农产品productionn.产品（工业方面）producern.制片人，制作者producev.生产noisen.喧闹声，嘈杂声，噪声noisyadj.吵闹的；喧闹的；嘈杂的noisilyadv.吵闹地factn.事实factorn.因素breathev.呼吸breathn.呼吸interestedadj.感到有兴趣的interestingadj.令人产生兴趣的interestn.兴趣，爱好Scientistn.科学家Sciencen.科学Scientificadj.科学的pureadj.纯净的purelyadv.纯净地warnv.警告warningn.警告，告诫naturen.自然naturalad...
