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-1-SectionⅣUsingLanguageANIMALEXTINCTIONManyanimalshavedisappearedduringthelonghistoryoftheearth.Themostfamousoftheseanimalsaredinosaurs(恐龙).Theylivedontheearthtensofmillionsofyearsago,longbeforehumanscameintobeingandtheirfutureseemedsecure(安全的)atthattime.ThereweremanydifferentkindsofdinosaurandanumberofthemusedtoliveinChina.Theeggsoftwenty-fivespecieshavebeenfoundinXixiaCounty,Nanyang,HenanProvince.Notlongagoararenewspeciesofbird-likedinosaurwasdiscoveredinChaoyangCounty,LiaoningProvince.Whenscientistsinspected(检查)thebones,theyweresurprisedtofindthatthesedinosaurscouldnotonlyrunliketheothersbutalsoclimbtrees①.Theylearnedthisfromthewaytheboneswerejoinedtogether②.动物灭绝从地球有史以来的这段漫长时期,许多动物都消失了。这些动物中最有名的是恐龙。千百万年前,恐龙就在地球上生活,比人类的出现要早得多,当时它们的前景好像也很安全。当时有许多不同种类的恐龙,其中有很多种类曾经生活在中国。25个种类的恐龙蛋是在河南省南阳西峡县发现的。不久前,在辽宁省的朝阳县新发现了一种罕见的、形状像鸟一样的恐龙。科学家们观察它们的骨头时,惊奇地发现它们不仅跟其他恐龙一样可以跑,而且还可以爬树。科学家们是根据恐龙骨骼的连接方式得知的这些。[助读讲解]①besurprisedtodosth.吃惊地做某事(todosth.是surprised的原因);that引导宾语从句,从句中run与climb为并列谓语。②thebones...是省略that的定语从句,修饰theway。Dinosaursdiedoutsuddenlyabout65millionyearsago.Somescientiststhinkitcameafteranunexpectedincidentwhenahugerockfromspacehittheearthandputtoomuchdust(尘土)intotheair.Othersthinktheearthgottoohotforthedinosaurstoliveonanymore③.Nobodyknowsforsure④whyandhowdinosaursdisappearedfromtheearthinsuchashorttime⑤.恐龙大约在6500万年前突然灭绝了。有些科学家认为恐龙灭绝是发生在一件意外事故之后,当时宇宙间一块巨石击中地球因而在空气中扬起太多的尘土。另外一些科学家则认为,地球变得太热,因此恐龙无法在地球上生活了。没有人确切地知道恐龙是由于什么原因,又-2-是怎样在这么短的时间里从地球上消失的。[助读讲解]③此处为“too+adj.+forsb./sth.todosth.”结构,意为“对……来说,太……而不能……”。④forsure(=forcertain)“无疑地,确定地”。⑤whyandhow共同引导宾语从句,作knows的宾语。Weknowmanyotherwildplants,animals,insects(昆虫)andbirdshavediedoutmorerecently.AccordingtoaUNreport,some⑥844animalsandplantshavedisappearedinthelast500years.Thedodoisoneofthem.ItlivedontheIslandofMauritiusandwasaveryfriendly⑦animal.Pleaselistentoastoryofthedodoandhowitdisappearedfromtheearth.我们知道,近来许多其他的野生动植物、昆虫和鸟类也灭绝了。根据联合国的一份报告,在过去500年里,有大约844种动植物消失。渡渡鸟就是其中的一种。它生活在毛里求斯岛上,是一种非常友好的动物。请听一个关于渡渡鸟的故事,看看它是如何从地球上消失的。[助读讲解]⑥someadv.大约,常用在数字前,相当于about。⑦friendlyadj.友好的。第一步速读——了解文章主题和段落大意速读P30教材课文,选择最佳答案Themainideaofthepassageis.A.howdinosaurswerediscoveredB.aboutdinosaurs'extinctionC.aboutthehistoryofdinosaursD.aboutanimals'dyingout[答案]B第二步细读——把控文章关键信息细读P30教材课文,选择最佳答案1.Fromthefirstparagraphweknowthat.A.dinosaurshaverecentlydisappearedB.anumberofdinosaursusedtoliveinCanadaC.dinosaurs'existenceislongbeforehumanscameintobeingD.dinosaurscan'tclimbtreesasotheranimalsdo2.ThepossiblereasonsforthedisappearanceofdinosaursarethefollowingEXCEPTthat.A.theylivedontheearthtensofmillionsofyearsagoB.itcameafteranunexpectedincidentC.theearthgottoohotforthedinosaurstoliveon-3-D.nobodyknowsforsurethereason3.AccordingtoaUNreport,weknowthat.A.some844animalsandplantshavedisappearedinthelast500yearsB.thedodo,averyfriendlyanimalcanlivelongerontheearthC.dinosaurscannotonlyrunbutalsoclimbtreesD.toomuchdustintheairkilleddinosaurs4.Fromthewholepassagewecanlearnthat.A.ifweprotecttheearthwell,dinosaurscan'tdieoutquicklyB.theeggsoftwentyfivespecieswillbefoundinChinaC.scientistsfoundasurprisingresultofthebrainofthedinosaursD.thenextpartofthepassagewillbeaboutdodo'sdisappearance[答案]1-4CAAD第三步研读——能力提升接轨高考根据P30教材课文,在空白处填入1个适当的单词或括号内单调的正确形式。Manyanimalshavedisappearedduringthelonghistoryoftheearth.The1.most(much)famousoftheseanimalsare2.dinosaurs(dinosaur).Theylived3.ontheearthtensofmillionsofyearsago,longbeforehumanscame4.intobeing.Theirfutureseemedsecureatthattime.There5.were(be)manydifferent6.kinds(kind)ofdinosaurs.7.Anumberofthemusedto8.live(live)inChina.Nobodyknowsforsurewhyandhowdinosaursdisappearedfromtheearthin9.suchashorttime.AccordingtoaUNreport,some844animalsandplants10.havedisappeared(disappear)inthelast500years.Ⅰ.单词拼写根据汉语或首字母提示,写出下列单词1.Themoviehadahappyending(结局).2.Astrangeincident(事件)happenedyesterday.3.Itisunusualforadogtobite(咬)atitsowner'shand.4.Acloudofdustroseasthetruckdroveoff.5.Youshouldinspectthecarwellbeforeyoubuyit.6.Thefiercedogbitthethiefontheleg.Ⅱ.拓展词汇根据词性和汉语提示,写出下列单词-4-1.endn.&v.结束→endingn.结局;结尾2.dustn.灰尘;尘土;尘埃→dustyadj.布满灰尘的3.appearv.出现;到场→disappearvt.消失→disappearancen.消失Ⅲ.补全短语根据提示补全下列短语1.comeintobeing形成;产生2.accordingto按照;根据……所说3.usedto过去常常4.forsure确定无疑5.anumberof许多Ⅳ.选词填空选用上述短语的适当形式填空1.IthinkhelivestherebutIcan'tsayforsure.2.We'reeatingoutmoreoftenthanweusedto.3.Accordingtotheoldstory,hewasthefounderofRome.4.Anewruleaboutsmokinginpublicwillcomeintobeingnextmonth.1.Afterawhileshesawsomezebrawithblackandwhitelinesgoingbeneaththeirstomachs.过了一会儿她看到了一些斑马,它们身上有一直延伸到腹部的黑白相间的条纹。[记句式结构]“with+n.+doing”复合结构[仿写促落实]Withtheboyleadingtheway,wehadnodifficultyinfindingthevillage.由小男孩带路,我们毫不费力地找到了这个村庄。2.Theylivedontheearthtensofmillionsofyearsago,longbeforehumanscameintobeingandtheirfutureseemedsecureatthattime.千百万年前,恐龙就在地球上生活,比人类的出现要早得多,当时它们的前景好像也很安全。[记句式结构]longbefore意为“很久以前”,引导时间状语从句[仿写促落实]Thisallhappenedlongbeforeyoucamehere,soithadnothingtodowithyou.这一切都发生在你来这儿之前很久,因此它和你无关。3.ThisistheonlyhomeoftheredColobusmonkeybutthereareveryfewleft.这里是红髯猴唯一的家园,但是现在所剩无几了。-5-[记句式结构]therebe(no)...left意为
本文标题:(新课标)2019-2020学年高中英语 Unit 4 Wildlife protection Se
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