Unit 5 A delicate world Section C 导学案-高中英语外研版2019选择性必修第二册

Unit5Adelicateworld班级：小组：姓名：小组评价：教师评价：【预习指导】1.Lookupthenewwordsinthedictionary2.LogontotheInternettoknowaboutthebackgroundofthisunit.【学习目标】1.Words,phrasesandstructuresofthisunit.2.Haveagoodcommandofthemainideaofthetext.3.Grammar:Itasanemptysubject【使用说明】1.Firstrefertotheexercisebookandmastertheimportantpointsofthisunit.2.Domoreexercisestostrengthentheunderstandingofthegrammar.【重点难点】1.Howtotellthedifferencebetweenitasanemptysubjectandemptyobject.2.Finishapassageusingit.【预习自测】SectionCDevelopingideas&Presentingideas&Reflection基础夯实Ⅰ.单词拼写1.Theyhadlowsocial(地位)atthattime.

2.TheNorman(入侵)stoppeditsdevelopment.

3.(另外),hisownlifesituationinfluencedhispoetrygreatly.

4.Letustakeyoudeepintotheocean,anddiscovermwildlife.

5.Inmyopinion,Iagreetoclonetheeanimalbutdisagreewithcloninghuman.

Ⅱ.短语填空onbehalfof,avarietyof,thanksto,add...to,inreturn,beregardedas,resultin,dueto1.Weofferanexcellenteducationtoourstudents.,weexpectstudentstoworkhard.

2.Thisaccidentwasthedriver’scarelessness.

3.Callingthepolicethemostefficientwaytosolvesuchaproblem.

4.Thisdecisioncanproblems.

5.everyonehere,Iwishyouapleasantjourneybacktoyourcountry.

6.Pleasesomesugarthemilktomakeitmoredelicious.

7.Snowshoeshavebeenacommonformoftransportinthiscountryforhundredsofyearsthecreativityofthenativepeople.

8.Communitycollegesofferlanguageclasses.

Ⅲ.翻译句子1.我们的产品和我们竞争者的产品比较起来质量更好,价格更低。(comparewith)

2.我想我之所以长寿而且精力充沛,要归功于我的健康生活。(dueto)

3.多亏你不断地鼓励,我在学习上取得显著的进步。(thanksto)4.我昨天在博物馆遇到了汤姆。(强调句)5.如果可能的话,您能帮我个忙吗?(省略句)素养提升Ⅳ.阅读理解BirdsineasternNorthAmericaarepickingupthepacealongtheiryearlymigratory(迁移的)paths.Thereason,accordingtoresearchers,isrisingtemperaturesduetoclimatechange.UsingmigrationinformationcollectedineBird,acitizenscienceprogramdatabasecontaining10years’worthofobservationsfromamateurbirdwatchers,assistantprofessorofbiologyAllenHurlbert,Ph.D.,andhisteamanalysedwhen18differentspeciesofbirdsarrivedatvariouspointsacrosstheirmigrationjourneys.Pushingmigrationearlierintheyearcouldnegativelyaffectbirdsoverthelongterm,Hurlbertsaid.“Timingofbirdmigrationissomethingcriticalfortheoverallhealthofbirdspecies,”hesaid.“Theyhavetotimeitrightsotheycanbalancearrivingonbreeding(繁殖)groundsafterthere’snolongerariskofseverewinterconditions.Iftheygetitwrong,theymaydieormaynotproduceasmanyyoung.”Hurlbertsaid,thespeedatwhichaspeciesmigratesisthebiggestinfluenceonhowstronglyitrespondstoincreasingtemperatures.Slowmigratorswerethemostadaptabletochanges.Additionally,thelengthofthemigrationpathaffectshowquicklybirdsmovefromonelocationtoanother.“Itmakessensethatifyoutakeyourtimetomovenorth,you’resortofcheckingoutthesurroundingsaroundyou,”hesaid.“Iftheconditionsseemtoocold,youcandecidethere’snopointinmovingonthatday.Speciesthattendedtoadvancequickly,aswellasthosemigratingfromgreaterdistances,suchasCentralorSouthAmerica,werelessabletoadapttotemperaturechanges.”However,beingaslowtravellerdoesnotfreeaspeciesfromallclimatechange-inducedmigrationchallenges.Becausetheystayinonespotlonger,suchbirdshaveheavierhabitatandfoodrequirements,makingthemmoredependentupontheresourcesthatareavailablealongtheirpaths.Thatreliancecouldbecomeagreaterproblemifclimateprojectionsforthenext50yearsto75yearsholdtrue,Hurlbertsaid.ClimatologistspredicttheNortheastwillcontinuetowarmatafasterpacethantheSoutheast,potentiallyforcingslowmigratorstomoveevenslowerandputgreaterdifficultyontheirmigratoryroutes.【语篇解读】这是一篇议论文。文章主要讲述了科研人员对北美洲东部的鸟类的迁徙进行了研究,研究人员发现,鸟类迁徙速度加快的原因是气候变化导致气温上升。从数据库的分析来看,鸟类迁徙的时机对鸟类的整体健康至关重要,此外研究人员还对影响鸟类迁徙速度的因素进行了探究。1.Therisingtemperaturesledto.

A.thespeed-upofbirds’migrationB.theweaknessofthebirds’physicalhealthC.thebirds’lessdemandforfoodD.thevariationofbreedinggrounds2.AccordingtoHurlbert,wrongtimingofbirdmigrationcanleadto.

A.ariskofwrongmigrationpathsB.changeinlifehabitsC.alackofnaturalresourcesD.decreaseinbirdpopulation3.Whatisthemostimportantfactorinadaptingtoclimatechangeforbirds?A.Thecycleofmigration.B.Migrationspeed.C.Theirlocalhabitat.D.Thetemperaturealongthemigratorypath.4.Whatdoesthelastparagraphmainlytalkabout?A.Climatologists’prediction.B.Climatechanges’badeffects.C.Challengesofslowmigrators’migration.D.Changesofbirds’migratoryroutes.Ⅴ.应用文写作在我们的成长过程中,我们心中总有特别向往的工作,我们学校将以“Mydreamjob”为题举办演讲比赛。请你根据以下要求写一篇英语演讲稿,要点如下:1.你理想的工作;2.选择的理由。注意:1.词数100左右;2.可以适当增加细节,以使行文连贯。Ⅵ.读后续写Ayoungmanhadboughtanoldhousethatwasinbadshape,butheandhiswifebelievedtheycouldrestoreit.Theyimmediatelywenttowork.TheirgoalwastohavetheoldbuildinglookbestfortheChristmasEveget-together.JusttwodaysbeforeChristmas,however,astormsweptthroughthearea,leavingaholeinthewallofthehouse.TherewasobviouslynotimetorepairthedamagebeforeChristmas.Thesadcoupleattendedlocalauction(拍卖)thatafternoon.Oneoftheitemsputupforbids(竞标)wasanoldgold-and-ivory-colouredtablecloth.Seizedbyaninspiration,theyoungmanwasthehighestbidderat$6.50.Hisideawastohangtheclothtocovertheraggedhole.OnthedaybeforeChristmas,itwassnowy.Astheyoungmanunlockedthehousedoor,henoticedanoldwomanstandingatthebusstop.Heknewthebuswouldn’tbetherewithinatleasthalfanhour,soheinvitedherinsidetokeepwarm.Whenthewomanwalkedinandsawthetablecloth,sherushedatitandsaidexcitedly,“It’smine.Itismytablecloth.”Shetoldthesurprisedmanitshistoryandevenshowedhimhernameinonecornerofthetablecloth.SheandherhusbandhadoncelivedinVienna,Austria,andtheirvillagewashitbyadeadlydisease.SotheydecidedtofleetoSwitzerland,butherhusbandtoldhertoleavefirst,sayinghehadsomethingurgenttodealwith.Afewdayslater,itwas