-Unit-4-Wildlife-pretection词汇导练(Part-1)课件-新人教版必修2

unit4wildlifeprotection第一页，编辑于星期五：十一点四十八分。重点词汇导练第二页，编辑于星期五：十一点四十八分。part1warmingupandpre-reading第三页，编辑于星期五：十一点四十八分。1.decreasevt./vi.&n.减少，降低iftheirhabitatisthreatenedortheycannotfindenoughfood，theirnumbermaydecrease.如果其栖息地受到威胁，或者无法觅取足够的食物，它们的数量就可能减少。(p25)第四页，编辑于星期五：十一点四十八分。[读一读]阅读以下句子，归纳decrease的词性、意义和用法。⑴thepriceofthistypeofmp3playerhasdecreasedby15%.(词性:vi.；意义:减少;搭配:表示“减少了〞)⑵thenumberofnewstudentsdecreasedfrom210to160thisyear.(词性:___意义:____________搭配:表示“从……减少到……〞)vi.减少到……第五页，编辑于星期五：十一点四十八分。⑶theyaremakingeveryefforttodecreasetheproductioncost.(词性:_____意义:_________)⑷thedecreaseinunemploymentwas30percent.(词性:______意义:________)vt.减少n.减少第六页，编辑于星期五：十一点四十八分。[练一练]选择decrease/increase并用其正确形式填空。thenumberofvisitors___________sharplyinthepasttwomonths.the________worriesthemanager.“somethingmustbedoneto________thenumberofvisitors.〞hethought.increasehasdecreaseddecrease第七页，编辑于星期五：十一点四十八分。decreaseby减少了……decrease(from...)to...(从……)减少到……increasev.&n.增加，增长increaseby增加了……increase(from...)to...从……)增加到……［记一记］第八页，编辑于星期五：十一点四十八分。2.dieout灭绝

asaresulttheseendangeredanimalsmayevendieout.结果，这些濒危动物甚至可能灭绝。(p25)第九页，编辑于星期五：十一点四十八分。[读一读]阅读以下句子，体会与die相关短语的不同意思。⑴elephantswoulddieoutifmanshotasmanyastheywished.()⑵hehidbehindthedooruntilthefootstepshaddiedaway.()灭绝逐渐减弱,逐渐消失第十页，编辑于星期五：十一点四十八分。[练一练]用thedeathof、diefrom、dieout、dyingto的正确形式填空。kathyisalways1________seespeciesofwildlife.sheappreciatesthatmanytypesofplantsandanimals2______inthewildeveryyear，andmostofthem3________toomuchhuntinganddestructionoftheirhabitats.sheburstsintotearseverytimeshehearsabout4___________wildanimals.thedeathofdyingtodieoutdiefrom第十一页，编辑于星期五：十一点四十八分。dieout灭绝dieaway逐渐减弱，逐渐消失diefor为……而死dieof/from因……而死［记一记］第十二页，编辑于星期五：十一点四十八分。3.lossn.丧失，迷失...lossofbamboogrowingareas.……竹子生长区的消失。(p25)

[读一读]阅读以下句子，指出划线单词的词性、意义和用法。⑴youwillloseyourjobifyoukeeponlikethis.(lose词性:_____意义:_____________)vt.失去第十三页，编辑于星期五：十一点四十八分。⑵losttimeisneverfoundagain.(lost词性:____词义__________)⑶iamatalosswhattodonext.(loss词性:____词义__________)adj.丧失的,失去的n.丧失，迷失第十四页，编辑于星期五：十一点四十八分。[练一练]用lose的适当形式填空。shewasata_____whensheheardthenewsthathersonwas____intheforest.shecouldn’tbear(承受)thethoughtof______him.fortunately，hersonwasjust____instudyingaspecialtypeofwildanimalandforgotthetimetogohome.lostlosslostlosing第十五页，编辑于星期五：十一点四十八分。ataloss不知所措，困惑belostinsth.全神贯注，沉浸于belostinthought陷入深思［记一记］第十六页，编辑于星期五：十一点四十八分。4.huntvt/vi/n打猎，搜寻...toomuchhuntinginthe1950s.在20世纪50年代的过度捕猎。(p25)[读一读]阅读以下句子，归纳hunt的词性、意义和用法。⑴policearehuntingforathiefwhobrokeintothehouseyesterday.(词性:_____意义:_____搭配：huntfor意为__________________)正在追捕

v.

寻找第十七页，编辑于星期五：十一点四十八分。⑵hundredshavejoinedinapolicehuntforthemissingteenager.(词性:_____词义______________)⑶sincethe1970stigerhuntinghasbeenillegalinthiscountry.(词性:_____词义______________)搜寻打猎n.n.第十八页，编辑于星期五：十一点四十八分。[练一练]用hunt/hunter/hunting/huntfor的正确形式填空。mr.smithisanexcellent_______whousedtomakealivingby________wildanimals.afterwildanimal________wasforbiddenhehadtogotothecityto_______anewjob.huntforhunterhuntinghunting第十九页，编辑于星期五：十一点四十八分。huntfor搜寻，追踪gohunting去打猎jobhunting找工作househunting找房子［记一记］第二十页，编辑于星期五：十一点四十八分。5.inpeace和平/和睦/安祥地...about30-40remainafterbeingleftinpeacewithnohunting.在免受捕猎打搅后，约有30到40只存留下来。(p25)第二十一页，编辑于星期五：十一点四十八分。[读一读]阅读以下句子，体会与peace相关短语的不同意思。⑴hejustwantstobeleftinpeace.(意义_________________)⑵thecountrieshavebeenatpeaceformorethanacentury.(意义_____________)和平/和睦/安祥地处于和平局面第二十二页，编辑于星期五：十一点四十八分。[练一练]用inpeace/atpeace/atwar填空。⑴allthevillagerslivetogether________.⑵thetwoc