Unit3-整体0000000000市公开课一等奖省赛课微课金奖课件

WelcomeUnit3We'retryingtosavethemanatees!1/32Africanelephantsenormousgray2/32Chimpanzeesnoisy3/32Kangaroosplayful4/32Manateesgentleshy5/32Cheetahsspottedfast6/32Polarbearsaggressivefurry7/32IamlikethisanimalbecauseIamstrongandintelligent.Ilikewater,andIliketoeatvegetables.Canyouguess?Amanatee.8/32endangereda.theplacewheresomethinglives.Mangroveswampsb.therearen’tverymanyofthem.habitatc.underwaterplantsandvegetation.aquaticfeedd.aplacewheretreesgrowinwater.Listenandmatchthewordwithdefinitions:9/32Listenagain.Completethechart:KindofanimalmanateeNumberHabitatReasonwhytheyareendangeredDescription2,500intheU.S.Waterundertreesinmangroveswampsswampspolluted,notenoughfood.large,tenfeetlong,weighs1,000pounds.10/32Howbigaremanatees?They’reabout10feetlongandtheyweightabout1,000pounds.11/32英语语态是经过动词形式改变表现出来。英语中有两种语态：主动语态和被动语态。主动语态表示主语是动作执行者。ManypeoplespeakEnglish.谓语：speak动作是由主语manypeople来执行。被动语态表示主语是动作承受者，即行为动作对象。Englishisspokenbymanypeople.主语English是动词speak承受者。动态和被动态指是动词形式，是词法概念；而主动句和被动句则指是句子结构，从而是句法概念。所谓主动句就是由主动态动词(词组)作谓语动词句子，而被动句则是由被动态动词(词组)作谓语动词句子。GrammarFocus:12/32被动语态组成被动语态由“助动词be＋及物动词过去分词”组成。人称、数和时态改变是经过be改变表现出来。现以teach为例说明被动语态在各种时态中组成。普通现在时：am／is／are＋taught普经过去时：was／were＋taught普通未来时：will／shallbe＋taught现在进行时：am／is／arebeing＋taught过去进行时：have／hasbeen＋taught现在完成时：have／hasbeen＋taught歌诀是：被动语态be字变，过去分词跟后面。GrammarFocus:13/32被动语态使用方法:

(1)不知道或没有必要说明动作执行者是谁。

Some

new

computers

were

stolen

last

night.

一些新电脑在昨晚被盗了。(不知道电脑是谁偷)

This

book

was

published

in

1981.这本书出版于1981年。

(2)强调动作承受者，而不强调动作执行者。

The

window

was

broken

by

Mike.窗户是迈克打破。

This

book

was

written

by

him.这本书是他写。

Eight

hours

per

day

for

sleep

must

be

guaranteed.天天8小时睡眠必须得到确保。

歌诀：谁做动作不知道，说出谁做没有必要；动作承受者需强调，被动语态利用到。

GrammarFocus:14/32suitableadj．适当；适宜

tinyadj．极小；微小

cagen．笼子；囚笼

disgustedadj.厌恶；憎恶educatev．教育；培养

carefor关心；照料

urgev．强烈要求；尽力主张

Newwords:15/32Zoosareterribleplacesforanimalstolive．Theanimalsarekeptintinycagesandcanhardlymoveatall．Andtheyareonlygivenfoodonceaday．Thereasonswhythewriterisagainstthezoos:16/32Writing:Doyouagreewith“Disgusted”or“AnimalFriend”?Writealettertotheeditorandgiveyouropinion.17/32DearEditor,Afterreadingthetwoletters,IrealizethatImustsaysomethingaboutanimalsandzoos．Idon’tagreewithdisgusted．Infact,manyanimalsonlyeatonceadayoronceeveryfewdays,sofeedingthemjustonceadayisnotaproblematall．Ithinkzoosareveryimportanttoanimals．Theycanstopmanyendangeredanimalsfrombeingkilledorhunted．Theycanprovidemanwithplacesforresearchwork．Alsowecanvisittheanimalsinthezoostolearnsomeknowledgetoprotecttheanimalsbetter．Sincerely,×××18/32濒危动物是指全部因为物种本身原因或受到人类活动或自然灾害影响，而有灭绝危险野生动物物种。从广义上讲，濒危动物泛指宝贵、濒危或稀有野生动物。从野生动物管理学角度讲，濒危动物是指《濒危野生动植物种国际贸易条约》附录所列动物，以及国家和地方重点保护野生动物。濒危动物含有绝对性和相对性。绝对性是指濒危动物在相当长一个时期内野生种群数量较少，存在灭绝危险。相对性是指一些濒危动物野生种群绝对数量并不太少，但相对于同一类别其它动物物种来说却极少；或者一些濒危动物即使在局部地域野生种群数量很多，但在整个分布区内野生种群数量却极少。什么叫濒危动物19/32我国是濒危动物分布大国。据不完全统计，仅列入《濒危野生动植物种国际贸易条约》附录原产于中国濒危动物有120各种(指原产地在中国物种)，列入《国家重点保护野生动物名目》有257种，列入《中国濒危动物红皮书》鸟类、两栖爬行类和鱼类有400种，列入各省、自治区、直辖市重点保护野生动物名目还有成百上千种。伴随经济连续快速发展和生态环境日益恶化，我国濒危动物种类还会增加。改革开放以来，我国进口了不少动物，如湾鳄、暹罗鳄、食蟹猴、黑猩猩、非洲象等。至于我国终究有多少种濒危动物极难说清。但能够必定，假如包含无脊椎动物话，最少有1000种。我国有多少种濒危动物20/32stopridingincarsrecyclebooksandpaperturnoffthelightturnofftheshowerdon’tusepapertowelsornapkins21/32Pairwork:A:Recyclingpaperisreallyeasy.B:Iagree.Butit’shardtostopridingincars.22/32thehousethattrashbuilt23/32

stuffn．废物；无用东西

materialn．材料；原料

pullv．拉；拖；拔

gluev．胶合；粘贴；黏合n．胶水

roofn．顶；屋顶；房顶

discardv．丢弃；放弃

tilen．瓦片；瓷砖

fencen．栅栏；围墙

cann．（装液体等，常带有盖）金属罐

recentlyadv.最近planetn.行星societyn.社团；社会inspirationn．灵感；鼓舞人心人（或事物）

spareadj．多出；空闲

Newwords:24/32Thewallsaremadefromoldglassbottlesthataregluedtogether.Theroofismadefromdiscardedtiles.Thefenceisbuiltoutofusedsodacans.25/32e.g.

Hisbackpackusedtobeapairofpants．

Hisbackpackismadefromapairofpants．Lookatthepicturesbelowandcompletethearticle.Usethephrases“bemakefrom”and“usedtobe”inyourarticle.26/32Answers:

JoeWinterbournelovestheclotheshismothermadeforhim．Atschool,everyonecallshimMr.Recycling．Hishatismadefrom（usedtobe）atrashcancover．Hisbackpackusedtobe（ismadefrom）apairofpants．Hisscarfismadefrom（usedtobe）anapkin．27/32MakeasurveyDoyou…NameRecyclepaper?Turnofflightsinthehouse?turnofftheshowerwhilewashinghairtakeyourownhagswhenshopping28/32supportendangeredrecyclewearpulldown1.Whyareyou

acoat?It’snotverysuitable/orthishotweather．2.Ourschoolfootballteamneedsmore

．Theyaren’tdoingverywell．3.Pandasare

animals.Theyaren’tdoingverywell．4.It’simportantto

papertosavethetrees．5.Thatapartmentblockisoldanddangerous.Itshouldbe

．Fillintheblanks:wearingsupportendangeredrecyclepulled