2019-2020年高中英语Unit4WildlifeProtection单词教学案新人教版必修2

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1、2019-2020年高中英语Unit4WildlifeProtection单词教学案新人教版必修2——课前预习案——一、用单词或短语的正确形式填空。1.Becauseofthelowergradeeverytime,hisinterestinEnglishgraduallyd______.2.Doyouknowwhydinosaurs___________（消失）suddenlyabout65yearsago?3.Recentlyheboughtaf______________（凶猛的）wolfdog.4.Itwouldbeawon

2、derfulworldifallnationslived__________（和平）withoneanother.5.Ihadabadfeelingthathislifewas_____________.（在危险中）6.Manypeoplelikereadinganovelwithahappye_____________.（结局）7.Thed______（远处的）soundofmusicremindedmeofafamoussinger.8.Onseeingafunnyscene,she_____________________.（

3、突然大笑起来）9.Thepassers-byshowedgreatm______tothebeggarsinthestreetonacoldnight.10.Don’tworry.Itisc__________thathewillattendtheparty.11.Wearingdarkglassescan________youreyes_______（保护）thesun.12.Mostoceanc________35partsofsaltperthousandpartsofwater.13.Theamountofrain_____

4、__（影响）thegrowthofcrops.14.Wemust_____________（更加注意保护）thewildanimalsandplants.15.Wegreatly_____________（感激）yourtimelyhelp.16.Allofusarealwayslonging_____________（成功）passingtheexamthistime.17.Fromthebeginningofeveryyear,manynewlawswill_______.（形成）18.________________（根据）t

5、henumbers,ourpanyisdoingwell.——课中探究案（一）——一、检查反馈，导入新课。Checkthepronunciationofthenewwords.二、目标定位，确定重点。3.能运用这些词汇解决相关练习题。三、自主探究，教师点拨。【单词学习】1.decrease反义词：increasen.减少,减弱,减轻Therehasbeenasteadydecreaseinthenumberofvisitors.vt减少,降低Wehavedecreasedourdemandforpaper.vi变少,下降Thenum

6、berofwhaleshasdecreasedsharplythisyear.拓展：减少到decreaseto减少了decreaseby2.1)dieout:灭绝，（风俗、习惯等）消失2)dieaway:(光、声音)慢慢消失=diedown；（风）停下来3)dieoff:（家族、种族）一一死去，先后死去；(草木)先后枯死4)diefrom一般指除了疾病，情感，饥寒以外的原因而造成的死亡，指死于外因。5)dieof常指由于疾病，情感，饥寒等原因而造成的死亡，指死于内因。4.protect…….from/against.保护……免受……

7、Thefurcanprotecttheantelopesagainstthecold.5.powerfula.强大的，强有力的以-ful结尾的形容词，该词的反义词为powerless，即去-ful加-less。以-ful结尾的形容词的反义词形式基本上遵照这一变化规则。如：careful/careless　  fearful/fearless　helpful/helplesshopeful/hopeless　useful/useless6.affect.v影响；感动；侵袭effectn.效应；结果；后果affectsb./sth.=h

8、aveaneffectonsb./sth.影响。7.containv.包含；容纳；容忍；控制；说出下列句子中contain的含义Thenewtextbookcontains10units,includingtwomainlyrevis