外研版高中英语必修3module4教案introductionWord下载.docx
- 文档编号:6097744
- 上传时间:2023-05-06
- 格式:DOCX
- 页数:14
- 大小:59.86KB
外研版高中英语必修3module4教案introductionWord下载.docx
《外研版高中英语必修3module4教案introductionWord下载.docx》由会员分享,可在线阅读,更多相关《外研版高中英语必修3module4教案introductionWord下载.docx(14页珍藏版)》请在冰点文库上搜索。
教学方法
Individualwork,pairworktogeteverystudenttoparticipateinclass.
教学过程
→Step1Backgroundaboutthetopicofthismodule
1.Talkaboutthetopicofthismoduleasanintroduction.
Showthefollowingpa
ssagetostudentsonthescreen.
AboutSandstorm
Thetopicofthismoduleis“environmentalconservation”(环境保护).ThismodulemainlyintroducessomethingaboutthesandstormsinAsia,especiallyinChina.Atthesametime,itbringsinsomewordsaboutsandstormsandenvironmentalconservation.
Whatisasandstorm?
Asandstorm,akindofdisastrous(灾难性的)weathersystem,isacombinationofsandandstrongwind.
Whatonearthcausessandstorms?
Inmyopinion,severesandstormsareusuallycausedbybothnaturalandcontrived(人为的)factors,thatis,climatic,geographical,socialandhumanfactors.Ofallthefactors,theoveruseofnaturalresources,suchascuttingdowntoomanytreesandopeninguptoomuchuntouchedland,leadstothefrequentoccurrenceofsandstorms.
Wheredoesasandstormusuallygo?
Asmentionedabove,disastrousasitis,asandstormdoesnotgoeverywhere,comingtoonlythoseplaceswithdryweatherandlittlevegetation(植物的总称,植被).TakeChinaforexample,inthenorthwestofChina,wherethereislittleforest,sandstormsareworsenedwith(因为……而恶化)people’sactivitieslikediggingupgrassandmining(采矿).Barelandeasilygivesawayitslandwhenstrongwindscome,interactionofsandandwindformingasandstorm.
Andwhatdamagewillsandstormsusuallycause?
Inaword,alotofdamage.Sandstormscankillpeopleandanimals,putdownbuildingsandcausepoorharvests.What’smore,theycanpollutetheatmosphereandblowawaytopsoil.
2.Discussion:
Asseniorstudents,whatshouldyoudotopreventsandstorms?
Herearesomevaluablesu
ggestions:
1)Controlairandwaterpollution;
2)Buildgreenfencesalongthedesert;
3)Forecastsandstorm’srealtimetopreventthedisaster;
4)Allcountriesshouldjoinhandstoproposeaplaninsandstormcontrolandprevention.
Whatcanyouaddtothesesuggestions?
Studentscandiscussandaddmoretotheabovesuggestions.
→Step2Activity1
Introductionisthewarming-upofthismodule.Thispartmainlyintroducessomewordsrelatedtosandstorms.We’lllearnitbyfinishingthefollowing3activities.
Activity1(Page31)
OptionOne
1.Askstudentstolookatthepictu
reandask“Whathappens?
”
Studentswillgivetheirpossibleanswerslikethis:
Thereisaterriblesandstorm.
Somecarsarealmostburied.
Thatis,theyarealmostcoveredwithsand.
Theteachercanleadinandrepeatthewordsinthebox.
blow bury frightening last(v.) sandstorm
2.Thenaskstudentstocompletethesentencesusingthecorrectformofeachofthesewordsinthebox.
Therehasbeena_____________.It_____________fortenhoursandwasvery_____________.Thewind_____________thesandhigharoundthehouses,andsomecarswerealmostcompletely_____________bythesand.
Studentscanchecktheanswerswiththeirpartners.
Suggestedanswers:
1)sandstorm 2)haslasted/beenblowing 3)frightening 4)wasblowing 5)buried
3.Explainsomewords:
●Itlastedfortenhoursandwasveryfrightening.
它(沙尘暴)持续了十个小时,而且是非常可怕的。
frighteningadj.causingfear;
alarming吓人的;
可怕的
afrighteningexperience一次可怕的经历
frightenvt.fillsb.withfear;
makeafraid使害怕;
使(人)感到恐惧
Thestormfrightensthebaby.
暴风雨使那个婴儿受惊吓。
frightenedadj.inastateoffear;
afraid;
scared感到恐惧的;
受到惊吓的
Helookedfrightenedashespoke.
他说话时显得非常恐惧。
【辨析】frightening与frightened
形容词frightening意为“令人惊吓的,恐怖的”,常用来说明事物。
类似的形容词还有exciting,interesting,disappointing,puzzling,surprising,astonishing,shocking,moving,amusing,encouraging,boring,pleasing,inspiring,tiring,worrying等,如:
Thesituationisencouraging.
形势使人感到鼓舞。
与frig
htening相对应的过去分词型的形容词是frightened,常用来修饰人。
类似的形容词还有excited,interested,disappointed,puzzled,surprised,astonished,shocked,moved,amused,encouraged,bored,delighted,inspired,pleased,tired,worried等。
注意:
若说明或修饰的名词是face,look,smile,voice等能表现出人的情感的词,通常用过去分词型的形容词。
如:
Therewasanexcitedlookonhisface.
他的脸上有种兴奋的表情。
Hervoicesoundedexcited.
她的声音听起来很兴奋。
Thegirlstaredatthemanwithfrightenedeyes.
这女孩以惊恐的眼神凝视那位男子。
练习
(1)Mr.Smith,_____________ofthe_____________speech,startedtoreadanovel.
A.ti
red;
boring
B.tiring;
bored
C.tired;
D.tiring;
boring
(2)IwascyclinginthestreetwhenIheardanoldwoman_____________outa_____________cryandthensawherbleedingbadly.
A.give;
frightening
B.give;
frightened
C.togive;
D.togive;
(3)_____________thebigsnake,thelittlegirlstoodunderthetree,_____________outofherlife.
A.Seen;
B.Seeing;
C.Tosee;
D.Seeing;
frighte
ned
答案:
(1)A 第一个空形容史密斯先生累了,指人,用过去分词。
第二个空指speech“演讲”,指物,用现在分词表示“令人厌倦的”。
(2)B 第一个空是hearsb.dosth.结构,“听见某人做某事”,第二个空修饰的是cry这一表现出老妇人的情感的词,所以用frightened。
实际上,此时若强调“我”的感受,选A项也可以。
(3)D 第一个空“看见大蛇”,“看”的逻辑主语是thelittlegirl,所以要用现在分词表示主动;
后一个空指的是小女孩吓得掉了魂,指人,用过去分词。
●last v.&
adj.
(1)v. continue,goon“持续,延续(无被动)”,后面常接表示一段的时间状语,且状语前可带或不带for。
ThehotweatherwilllastuntilSeptember.
酷热天气将会延续到九月。
Thewarlasted(for)5years.
战争持续了5年。
(2)v.toremainofuse耐久;
耐用
Thiskindofclothlastslong.
这种布耐穿。
(3)v.tobeenoughfor足够
Thefoodwilllastforthreedays.
食物还能维持3天。
(4)adj.theoneafteralltheothers最后的
Hewasthelastpersontoarriveattheparty.
他是最后一个到达聚会的。
Saturdayisthelastdayofaweek.
星期六是一周的最后一天。
(5)adj.notpossible最不可能的
Heisthelastmantotelllies.
他是最不可能说谎的人。
(6)adj.past过去的
GreatchangeshavetakenplaceinChinainthelasttenyears.
在过去10年里中国发生了很大变化。
(7)n.thingsorpeopleremainingintheend最后的人或事物
Thesearethelastofourbooks.
我们就剩下这些书了。
[拓展]
atlast最后
thelast...butone倒数第二的
tothelast直到最后
lastofall在最后
lastingadj.持久的,永恒的
Itissaidthattheweatherwill_____________hotforanotherthreeorfourdays.
A.lookB.lastC.stayD.get
C 天气将继续热三四天。
last后面通常要加表示时间的短语。
●Thewindblewthesandhigharoundthehouses,andsomecarswerealmostcompletelyburiedbythesand.
强劲的风吹得房子周围的沙尘四处飞扬,有些小汽车几乎被沙尘所埋没。
blowvt.&
vi.bemoving吹,吹动,刮。
例如:
Thewindsblowacrossthesea,pushinglittlewavesintobiggerandbiggerones.
风吹过海面,把小的波浪推向前进,变成越来越大的波浪。
Thewindhasblownmyhatoff.
风把我的帽子刮走了。
blown.hardstroke;
suddenshock打,打击,奇袭,猛攻。
givesb.ablowonthehead给某人头上一击
blowaway刮走
blowdown刮
倒
blowover刮倒,吹倒
blowoff吹掉
blowout吹灭
4.Checktheanswers.
OptionTwo
1.Pairwork.Studentsreadthewordintheboxandtalkabouttheirmeaningsorrefertothedictionaries.
2.Fillintheblanksandcheckwitheachother.
3.Letsomeindividualstudentsreadtheiranswersandcorrectthemistakes.
4.Explainsomewords:
thesameasOptionOne,3.
→Step3Activity2(Page31)
Checkthemeaningofthesewords.
1.Readoutthewordsandaskstudentstorepeatthemafteryou.Takecarewiththestressonthesetwowords:
protect,Pacific.
2.Pairstudentstodecideonthemeaningswithorwithoutdictionaries.
3.Thenaskstudentstoworkinpairstodecidewhichofthefollowingstatementsisfalse.
1.Sandstormsbeginindesertareas.
2.Desertsarecreatedbyclimatechanges.
3.Desertsarealsocreatedbecausepeoplecutdowntreesanddigupgrass.
4.SandstormsfromAsiahaveblownacrossthePacificOceantoAmerica.
5.Sandstormscan’tbeprevented.
6.Theinlandregionhasmoresandstormsthantheonenearthesea.
Thefifthisfalse.
4.Explainsomelanguagepoints.
●Desertsarealsocreatedbecausepeoplecutdowntreesanddigupgrass.
人们把树砍了,把草挖了,也是沙漠的一个成因。
cutdown
(1)tobringdownbycutting通过砍伐使减少
Cuttingdownsomanytreeswithoutplan
tingsomewillmaketheenvironmentworse.
砍伐掉这么多树木而不种植补充会使环境变得更坏。
(2)toreduceinamount减少
Thedoctorshaveadvisedcuttingdownsmokinganddrinking.
医生建议少抽烟,少喝酒。
(3)toknockdownorkillsb.击倒或杀死某人
Therobbercutdownthepersonandranawayinataxi.
抢劫犯把那个人杀了然后乘出租车跑了。
cutacross抄近路 cutat对准(某人)猛击
cutback剪枝cutup剪成碎片
cutoff切断cutout剪除
Hewasinhospitalforsixmonths.Hefeltasifhewas_____________fromtheoutsideworld.
A.cutout
B.cutoff
C.cutup
D.cut
through
B 根据短语的意思分析,此处指他住院六个月,感觉好像跟外界切断了联系。
cutthrough指“抄近路走过;
刺穿”。
●Ifyouareinadesert,whatisthefirstsignofasandstorm?
如果你在沙漠里,沙尘暴的第一个迹象是什么?
signn.&
v.
(1)n.board,notice,etc.thatdirectssb.towardssth.,givesawarning,advertisesabusiness,etc.“标志牌”“符号”“动作”“手势”
Haven’tyouseenthesign“Noparking”?
你没有看到牌子上写着“不许停车”吗?
Shakingheadsisasignofdisagreement.
摇头是表示不同意的动作。
(2)n.thingthatshowsthatsb./sth.ispresentorexists,orthatsth.mayhappen“迹象”“征兆”“痕迹”
Veryoftendarkcloudsareasignofrain.
乌云常常是下雨的征兆。
ScientistshavefoundnosignsoflifeonMars(火星)sofar.
迄今为止科学家们还
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- 外研版 高中英语 必修 module4 教案 introduction