初三【英語(人教版)】Unit-13-Were-trying-to-save-the-earth課件

Unit13We’retryingtosavetheearth.

Period

2Learning

goalsAt

the

end

of

this

period,

you’ll

be

able

to

1.

readforgeneralideaswiththehelpofamindmap.2.learnabouttheimportanceandsomewaysofprotectingsharks.3.reviewtheuseofconjunctions,tenses,passivevoiceandthestructureusedtodoincontexts.1.Whatdoyouknowaboutsharks?

2.Doyouthinksharksareendangered?Why?Pre-reading1.Whatdoyouknowaboutsharks?

2.Doyouthinksharksareendangered?Why?Pre-readingPredict

answersaccording

to

the

title

and

the

picture.SavetheSharks!Theyliveintheoceanandhavesharpteeth.Yes.BecauseIknowpeoplemaykillthemfortheirfinsandoil.Also,thetitletellsustosavethem.Read

and

completethemindmapwithproperwords.1st

ReadingSavethesharks

aboutthesharkfinsoup

theofkillingthesharks

different

ofsavingsharks

Manyhaveheardofsharkfinsoup.ThisfamousandexpensivedishisespeciallypopularinsouthernChina.Butdoyourealizethatyou’rekillingawholesharkeachtimeyouenjoyabowlofsharkfinsoup?Whenpeoplecatchsharks,theycutofftheirfinsandthrowthesharksbackintotheocean.Thisisnotonlycruel,butalsoharmfultotheenvironment.Withoutafin,asharkcannolongerswimandslowlydies.Sharksareatthetopofthefoodchainintheocean’secosystem.Iftheirnumbersdroptoolow,itwillbringdangertoalloceanlife

...1st

ReadingRead

and

completethemindmapwithproperwords....

Manybelievethatsharkscanneverbeendangeredbecausetheyarethestrongestintheirfoodchain.Butinfact,around70millionsharksarecaughtandtradedinthisindustryeveryyear.Thenumbersofsomekindsofsharkshavefallenbyover90percentinthelast20to30years.Environmentalprotectiongroupsaroundtheworld,suchasWildAidandtheWWF,areteachingthepublicabout“finning”.Theyhaveevenaskedgovernmentstodeveloplawstostopthesaleofsharkfins.Sofar,noscientificstudieshaveshownthatsharkfinsaregoodforhealth,sowhyeatthem?Helpsavethesharks!1st

ReadingRead

and

completethemindmapwithproperwords.Read

and

completethemindmapwithproperwords.1st

ReadingSavethesharks

aboutthesharkfinsoup

theofkillingthesharks

different

ofsavingsharksfactsharmways1.Whereissharkfinsouppopular?2.Howdopeopledealwiththesharkswhentheycatchthem?3.Whyiscuttingoffsharks’finscruelorharmful?4.

Howmuchhavethenumbersofsomekindsofsharksfallenin

thelast20to30years?5.Whathavethetwoenvironmentalprotectiongroupsdone?Readandanswerthequestionsbelow.2nd

Reading

Manyhaveheardofsharkfinsoup.ThisfamousandexpensivedishisespeciallypopularinsouthernChina.Butdoyourealizethatyou’rekillingawholesharkeachtimeyouenjoyabowlofsharkfinsoup?Whenpeoplecatchsharks,theycutofftheirfinsandthrowthesharksbackintotheocean.Thisisnotonlycruel,butalsoharmfultotheenvironment.Withoutafin,asharkcannolongerswimandslowlydies.Sharksareatthetopofthefoodchainintheocean’secosystem.Iftheirnumbersdroptoolow,itwillbringdangertoalloceanlife

...Readandanswerthequestionsbelow.2nd

Reading...

Manybelievethatsharkscanneverbeendangeredbecausetheyarethestrongestintheirfoodchain.Butinfact,around70millionsharksarecaughtandtradedinthisindustryeveryyear.Thenumbersofsomekindsofsharkshavefallenbyover90percentinthelast20to30years.Environmentalprotectiongroupsaroundtheworld,suchasWildAidandtheWWF,areteachingthepublicabout“finning”.Theyhaveevenaskedgovernmentstodeveloplawstostopthesaleofsharkfins.Sofar,noscientificstudieshaveshownthatsharkfinsaregoodforhealth,sowhyeatthem?Helpsavethesharks!Readandanswerthequestionsbelow.2nd

Reading1.Whereissharkfinsouppopular?

Manyhaveheardofsharkfinsoup.ThisfamousandexpensivedishisespeciallypopularinsouthernChina.Butdoyourealizethatyou’rekillingawholesharkeachtimeyouenjoyabowlofsharkfinsoup?InsouthernChina.Readandanswerthequestionsbelow.2nd

Reading1.Whereissharkfinsouppopular?

Manyhaveheardofsharkfinsoup.ThisfamousandexpensivedishisespeciallypopularinsouthernChina.Butdoyourealizethatyou’rekillingawholesharkeachtimeyouenjoyabowlofsharkfinsoup?InsouthernChina.tobetoldaboutsomethingReadandanswerthequestionsbelow.2nd

Reading

Whenpeoplecatchsharks,theycutofftheirfinsandthrowthesharksbackintotheocean.Thisisnotonlycruel,butalsoharmfultotheenvironment.Withoutafin,asharkcannolongerswimandslowlydies.Sharksareatthetopofthefoodchainintheocean’secosystem

...2.Howdopeopledealwiththesharkswhentheycatchthem?Peoplecutofftheirfinsandthrowthesharksbackintotheocean.Readandanswerthequestionsbelow.2nd

Reading

Whenpeoplecatchsharks,theycutofftheirfinsandthrowthesharksbackintotheocean.Thisisnotonlycruel,butalsoharmfultotheenvironment.Withoutafin,asharkcannolongerswimandslowlydies.Sharksareatthetopofthefoodchainintheocean’secosystem

...removesomethingwithaknifeorasimilartoolatthehighestorthemostimportantrankofsomethingReadandanswerthequestionsbelow.2nd

Reading2.Howdopeopledealwiththesharkswhentheycatchthem?Peoplecutofftheirfinsandthrowthesharksbackintotheocean.theocean’secosystemthefoodchainintheocean3.Whyiscuttingoffsharks’finscruelorharmful?...Thisisnotonlycruel,butalsoharmfultotheenvironment.Withoutafin,asharkcannolongerswimandslowlydies.Sharksareatthetopofthefoodchainintheocean’secosystem.Iftheirnumbersdroptoolow,itwillbringdangertoalloceanlife.Manybelievethat...Becausewithoutafin,asharkcannolongerswimandslowlydies.Also,iftheirnumbersdroptoolow,itwillbringdangertoalloceanlife.Readandanswerthequestionsbelow.2nd

Reading3.Whyiscuttingoffsharks’finscruelorharmful?...Thisisnotonlycruel,butalsoharmfultotheenvironment.Withoutafin,asharkcannolongerswimandslowlydies.Sharksareatthetopofthefoodchainintheocean’secosystem.Iftheirnumbersdroptoolow,itwillbringdangertoalloceanlife.Manybelievethat...Readandanswerthequestionsbelow.2nd

Readingbeharmfulto:causingdamageorinjurytosomebodyorsomethingtobecomeweaker,lowerorlessBecausewithoutafin,asharkcannolongerswimandslowlydies.Also,iftheirnumbersdroptoolow,itwillbringdangertoalloceanlife.Howmuchhavethenumbersofsomekindsofsharksfalleninthelast20to30years?...Manybelievethatsharkscanneverbeendangeredbecausetheyarethestrongestintheirfoodchain.Butinfact,around70millionsharksarecaughtandtradedinthisindustryeveryyear.Thenumbersofsomekindsofsharkshavefallenbyover90percentinthelast20to30years.

Byover90percent.Readandanswerthequestionsbelow.2nd

Reading5.Whathavethetwoenvironmentalprotectiongroupsdone?

Environmentalprotectiongroupsaroundtheworld,suchasWildAidandtheWWF,areteachingthepublicabout“finning”.Theyhaveevenaskedgovernmentstodeveloplawstostopthesaleofsharkfins.Sofar,noscientificstudieshaveshownthatsharkfinsaregoodforhealth,sowhyeatthem?Helpsavethesharks!Theyareteachingthepublicabout“finning”andhaveevenaskedgovernmentstodeveloplawstostopthesaleofsharkfins.Readandanswerthequestionsbelow.2nd

Reading

Environmentalprotectiongroupsaroundtheworld,suchasWildAidandtheWWF,areteachingthepublicabout“finning”.Theyhaveevenaskedgovernmentstodeveloplawstostopthesaleofsharkfins.Sofar,noscientificstudieshaveshownthatsharkfinsaregoodforhealth,sowhyeatthem?Helpsavethesharks!5.Whathavethetwoenvironmentalprotectiongroupsdone?tograduallygroworbecomebigger,moreadvanced,strongerbegoodfor:do

good

toTheyareteachingthepublicabout“finning”andhaveevenaskedgovernmentstodeveloplawstostopthesaleofsharkfins.Readandanswerthequestionsbelow.2nd

Reading3b.

Read

and

fillintheblankswiththewords

in

the

box.Manypeopledonotrealizetheyarekillingawholeshark

theyenjoyabowofsharksoup.Sharksareatthetopofthefoodchain,

iftheirnumbersdrop,theocean’secosystemwillbeindanger!Manythinkthatsharksaretoostrongtobeendangered,

theyarewrong.

therearenoscientificstudiestosupportthis,alotofpeoplebelievethatsharkfinsaregoodforhealth.Sharksmaydisappearoneday

wedonotdosomethingtostopthesaleofsharkfins.soalthoughifbutwhen3rd

Reading

Manyhaveheardofsharkfinsoup.ThisfamousandexpensivedishisespeciallypopularinsouthernChina.Butdoyourealizethatyou’rekillingawholesharkeachtimeyouenjoyabowlofsharkfinsoup?Whenpeoplecatchsharks,theycutofftheirfinsandthrowthesharksbackintotheocean.Thisisnotonlycruel,butalsoharmfultotheenvironment.Withoutafin,asharkcannolongerswimandslowlydies.Sharksareatthetopofthefoodchainintheocean’secosystem.Iftheirnumbersdroptoolow,itwillbringdangertoalloceanlife...3b.

Read

and

fillintheblankswiththewords

in

the

box.3rd

Reading...Manybelievethatsharkscanneverbeendangeredbecausetheyarethestrongestintheirfoodchain.Butinfact,around70millionsharksarecaughtandtradedinthisindustryeveryyear.Thenumbersofsomekindsofsharkshavefallenbyover90percentinthelast20to30years.Environmentalprotectiongroupsaroundtheworld,suchasWildAidandtheWWF,areteachingthepublicabout“finning”.Theyhaveevenaskedgovernmentstodeveloplawstostopthesaleofsharkfins.Sofar,noscientificstudieshaveshownthatsharkfinsaregoodforhealth,sowhyeatthem?Helpsavethesharks!3b.

Read

and

fillintheblankswiththewords

in

the

box.3rd

Reading3b.

Read

and

fillintheblankswiththewords

in

the

box.Manypeopledonotrealizetheyarekillingawholeshark

theyenjoyabowofsharksoup.Sharksareatthetopofthefoodchain,

iftheirnumbersdrop,theocean’secosystemwillbeindanger!Manythinkthatsharksaretoostrongtobeendangered,

theyarewrong.

therearenoscientificstudiestosupportthis,alotofpeoplebelievethatsharkfinsaregoodforhealth.Sharksmaydisappearoneday

wedonotdosomethingtostopthesaleofsharkfins.soalthoughifbutwhen3rd

ReadingwhensobutAlthoughifYourcommunityhascalledforactiontorefusesharkfinsoup.Finishtheletterwithproperwordsinthepassage.Post-readingDearneighbors,

Somepeopleliketoeatsharkfinsoup,especiallyin

China.Butgettingthesharkfinisvery.Whenpeoplecatchsharks,theytheirfinsandthrowthesharksbackintotheocean.Thesharksslowlydiebecausetheycan’twithoutfins.Andit’salsotheenvironment.Sharksareattheofthefoodchainintheocean.Ifthenumberofsharks

toolow,thebalanceofthenaturewillbebroken.

Pleasesaynotoeatingsharkfinsoupandtakeactiontosavethesharks!HuaxingCommunitysoutherncruelcutoffharmfultotopdropsliveWhatcanwedotosavethesharks?FurtherthinkingneverusesharkproductsputuppostersaroundourneighborhoodsoronlinevolunteerinsharkprotectionorganizationscallforthegovernmenttodeveloplawstostopthesalesofsharkfinsPost-readingWhyiseatingsharkfinsoupnolongerfashionable?Doyouagreethatthesharksandoceansaretoofarawayfromus?Whyorwhynot?Watch

and

think

aboutthefollowingquestions.ExtendedknowledgeWhyiseatingsharkfinsoupnolongerfashionable?Doyouagreethatthesharksandoceansaretoofarawayfromus?Whyorwhynot?BecauseChinesepeoplearebecomingmoreawareofwildlifeconservation,andthegovernmenthassetupacampaign

(宣傳)banningsharkfinsoupfromofficialbanquets.No.Becauseweshareoneglobeandeveryoneshouldchangeandmakeadifference.Watch

and

think

aboutthefollowingquestions.ExtendedknowledgeGrammar

Focususingdifferenttenses,passivevoiceandthestructureusedtodoincontextsThe

river

used

to

be

so

clean.Sofar,noscientificstudieshaveshownthatsharkfinsaregoodforhealth.Around70millionsharksarecaughtandtradedinthisindustryeveryyear.Environmentalprotectiongroupsaroundtheworld,suchasWildAidandtheWWF,areteachingthepublicaboutfinning.Manybelievethatsharkscanneverbeendangeredbecausetheyarethestrongestintheirfoodchain.

Read

and

match

each

sentence

with

the

grammar

A-D.A.

Present

progressive

B.

used

to

(do) C.

Passive

voiceD.

Present

perfect

E.

Modal

verbsObserveandidentifyThe

river

used

to

be

so

clean.Sofar,noscientificstudieshaveshownthatsharkfinsaregoodforhealth.Around70millionsharksarecaughtandtradedinthisindustryeveryyear.Environmentalprotectiongroupsaroundtheworld,suchasWildAidandtheWWF,areteachingthepublicaboutfinning.Manybelievethatsharkscanneverbeendangeredbecausetheyarethestrongestintheirfoodchain.

Read

and

match

each

sentence

with

the

grammar

A-D.A.

Present

progressive B.

used

to

(do) C.

Passive

voiceD.

Present

perfect E.

Modal

verbsObserveandidentifyBDCAECThe

river

used

to

be

so

clean.Sofar,noscientificstudieshaveshownthatsharkfinsaregoodforhealth.Around70millionsharksarecaughtandtradedinthisindustryeveryyear.Environmentalprotectiongroupsaroundtheworld,suchasWildAidandtheWWF,areteachingthepublicaboutfinning.Manybelievethatsharkscanneverbeendangeredbecausetheyarethestrongestintheirfoodchain.

Check

and

summarize

the

grammar

rules.A.