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时间:2020-03-15
《高中英语必修三第四单元重点.doc》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、高中英语必修三第四单元重点、难点UnitFourAstronomy:thescienceofthestars1、Theywerefollowedintimebylandanimals.陆地动物及时出现。intime及时;终于Astitchintimesavesnine.小洞不补,大洞尺五。Youwillgetusedtoitintime.最终你会习惯的。易混辨析:intime和ontimeintime表示“及时;终于”;而ontime表示“按时”。联想扩展:innotime立即;马上atonetime曾经;一度atatime一次atanytime在任何时候attimes有时;偶尔fr
2、omtimetotime有时即时活用:–Howoftendoyougotoseeyourparents?---__________.A.InnotimeB.AfterawhileC.InashorttimeD.Fromtimetotime答案:D2、Theyproducedyounggenerallybylayingeggs.它们以产蛋的方式生产后代。layeggs下蛋Howmanyeggsdoesyouhenlayeveryweek?你的母鸡每周下多少蛋?联想扩展:laythetable摆桌子layup储存;搁置layover推迟laytheblameon责怪laythefound
3、ation奠定基础layto归咎于layopen摊开;揭露layout摆开;展示layaside放在一边;积蓄laydown放下;放弃layfor等候3、Theseanimalsweredifferentfromalllifeformsinthepast,becausetheygavebirthtoyoungbabyanimalsandproducedmilktofeedthem.这些动物和以前的任何生物形式都不同,因为它们产仔并用奶水喂养它们。givebirthto…生产;产生Shegavebirthtoahealthybabylastnight.昨晚她生了一个健康的婴儿。That
4、centurygavebirthtomanygreatmen.那个世纪产生了许多伟人。4、Theseanimalsweredifferentfromalllifeformsinthepast,becausetheygavebirthtoyoungbabyanimalsandproducedmilktofeedthem.这些动物和以前的任何生物形式都不同,因为它们产仔并用奶水喂养它们。feedvt.用法归纳:(1)饲养IfIamlaid-off,Iwillfeedsomepigs.如果下岗,我就养猪。Doyoufeedanypetsathome?你在家养宠物吗?特别提示:feed作“饲
5、养”讲时,等于raise和keep。(2)喂养Wefeedgrasstosheep.我们给羊喂草。Wefeedsheepwithgrass.我们用草喂羊。特别提示:注意feed当“喂养”讲时动物和饲料的前后顺序关系以及不同介词的用法。即时活用:1、He______alotofchicken______hisfarm.A.rises;inB.keeps;onC.raises;inD.supports;on2、–Ihaveaverybadcold.---Well,haveyoueverheardofasayingwhichgoes“_______acoldandstarveafever?
6、”A.feedingB.tofeedC.fedD.feed答案:BD5、Finallyabout2.6millionyearsagosomesmallcleveranimals,nowwithhandsandfeet,appearedandspreadallovertheworld.最后大约在两百六十万年前,一些有手有脚的小型聪明动物出现了,并且扩散到世界各地。spreadv.用法归纳:(1)传播;传开(vi.)Badnewsspreadsquickly.坏消息传的很快。WordspreadthattherewasavariantvirusofH1N1.消息称H1N1病毒已经产生变异
7、。(2)铺开;展开(vt.)Thebirdspreaditswingsandwasabouttofly.鸟伸开翅膀准备要飞。Shespreadanewsheetoverthebed.她给床上铺了一个新床单。(3)涂;抹(vt.)Pleasespreadthepaintevenly.把油漆抹均匀。It’sbetterforyoutospreadthehoneyonthebread.你最好把蜂蜜抹在面包上。(4)伸展;延伸(vi.)Xi’anisspreadi
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