【英语】北师大版单词·典句·考点Unit19LANGUAGE名师导航四点剖析单词·典句·考点1.attainvt.达到;获得巧记提示attain(获得)→gain(赢得)经典例句Weattainedthetopofthemountainafterthreehours’climbing.我们经过了三个小时的爬山,终于到达山顶。LeoIoacocoattainedthepositionofPresidentoftheFordMotors.李雅科卡终于当上了福特汽车公司的总裁。考点聚焦1)同义词:reach到达2)attainvt.达到某个目标。如:Theyarenotlikelytoattainthisaim.他们未必能达到这一目标。3)attainvi.达到某个龄,与to连用。如:Wehaveattainedtotheageof18.我们已经到18岁的龄了。活学活用1.汉译英:他们最后达到了目的。________________________________答案:Theyfinallyattainedtheirgoal.2.adequateadj.足够的,充分的经典例句Adequateexercisecanpreventacuteepidemicinfluenza.适当的锻炼能够预防流行性感冒。考点聚焦1)同义词:enoughadj.足够的,充足的2)反义词:inadequateadj.不充分的,不适当的3)派生词:adequatelyadv.充分地adequacyn.适当,足够4)注意adequate常跟介词for连用。如:Anadequatewatersupplyforcitypeopleisalreadyamajorproblem.给城市供应充足的水源已成为一个主要问题。Theschoolyardissmallbutadequatefor100childrenplayingatthesametime.虽说校园小,但足够100个孩子同时玩。活学活用2.单句改错:Sheprovedadequatelytothejob._____________________________________答案:adequately改为adequate3.ensurevt.确保,保证巧记提示en-(动词前缀,使……)+sure(确信的)经典例句Wecanensurethattheworkshallbedonewellintherightway.我们保证用正确的方法把工作做好。Ifittedanewlocktoensurethatthebicyclewouldnotbestolen.我装了一把新锁以保证自行车不被偷。考点聚焦1)ensurevt.确保,保证,后接that从句、动名词。如:Ican’tensurehisbeingthereontime.我不能保证他准时到那儿。Ican’tensurethathewillbethereontime.我不能担保他会准时到那儿。2)ensuresb.from/againststh.保护某人免受……Thesearesafetydevicestoensureworkersagainstaccidents.这些是为了保护工人不出事故的安全设施。3)记住短语:ensuresuccess保证成功ensuresb.against/fromdanger保护某人免受危险活学活用3.单项选择:Ifyouwantto______________thatyougetthediploma(文凭),youhavetoworkharder.A.aresureB.surelyC.sureD.ensure答案:D4.acceleratevt.加速经典例句Thedriversteppedonthegasandacceleratedthecar.司机加大油门,让汽车加速行驶。考点聚焦1)派生词:accelerationn.加速,加速度;acceleratedadj.加速的2)同义词:speedup3)acceleratevt.加速,促进,常接表示“物”的名词作宾语。如:Thebadweatheracceleratedourdeparture.糟糕的天气促使我们早日离开。4)acceleratevi.加速。如:Thecarsuddenlyaccelerated.汽车突然加快了速度。5)相关短语:havegoodacceleration很好的加速性能。活学活用4.单项选择:Therunners______________smoothlyaroundthebend.A.acceleratedB.fastedC.atspeedD.quickly答案:A5.enlargevt.扩大巧记提示en-(使成)+large(大的)经典例句Thisphotographisabittoooldandprobablywon’tbeenlargedwell.这张照片太老了些,放大了很可能不好。考点聚焦1)派生词:enlargementn.放大;enlargern.扩大者,增补者2)同义词:increasevt.增加3)反义词:decreasev.减少4)enlargevt.扩大。如:We’reenlargingtheproductionscaletoproducemoreandbettercomputers.我们在扩充生产规模以便生产出更多更好的计算机。5)enlargeon/upon进一步详述,常接plan,suggestion,idea等词。如:Couldyouenlargeuponyoursuggestion?你能不能详细谈谈你的建议?6)常见词组enlargeaphoto放大照片enlargeone’shouse扩建房屋enlargeone’sviews开阔眼界,增长知识活学活用5.汉译英:1)增建的房间使房屋扩大了。_____________________________2)我请摄影师把那张照片放大。______________________________答案:1)Thehousewasenlargedwithanewroom.2)Iaskedthephotographertoe...