Unit13 Were trying to save the earth! SectionA(3a-3b) 课件(共24张PPT)（2024年新版）.pptxVIP

Unit13

We’retryingtosavetheearth;TeachingAims

Keywordsphrases:

shark,fin,cruel,beharmfulto,atthetopof,atthebottomof,chain,foodchain,ecosystem,industry,law,scientific.

Keysentences:

1.Butdoyourealizethatyouarekillingawholesharkeachtimeyouenjoyabowlofsharkfinsoup?

2.Butinfact,around70millionsharksarecaughtandtradedinthisindustryeveryyear.

Tohavetheawarenessofprotectingsharksandrespectingnature,savingthemissaveourselves;Pre-reading;Let’slookatpicturesofendangeredanimalsbelow.;RingTailedLemur环尾狐猴;

Readthepassagequickly.Thenmatcheachparagraphwiththemainidea.;;切掉；切断;n.工业；行业;n.法律；法规

可数名词;Readthepassagein3aquicklyandanswerthequestions.;Postreading

3b.Readthepassageagainandfillintheblankswiththewordsinthebox.;Savethesharks!

Savethewildanimals!

;1.Butinfact,around70millionsharksarecaughtandtradedinthisindustryeveryyear.

infact事实上；实际上;2.Whenpeoplecatchsharks,theycutofftheirfinsandthrowthesharksbackintotheocean.;3.Thenumbersofsomekindsofsharkshavefallenbyover90percentinthelast20to30years.

thenumbersof……的数量；是thenumberof的复数形式。

此处，numbers表示不同种类鲨鱼的数量。

;thenumberof与anumberof;4.Theyhaveevenaskedgovernmentstodeveloplawstostopthesaleofsharkfins.

lawn.法律；法规。lawyern.律师,可数名词

obeythelaw遵守法律breakthelaw违法

;5.Sofar,noscientificstudieshaveshownthatsharkfinsaregoodforhealth,sowhyeatthem?

sofar到目前为止；迄今为止。常用于现在完成时。

;6.Thenumbersofsomekindsofsharkshavefallenbyover90percentinthelast20to30years.;1.They______theirfinswhenpeoplecatchsharks.It’scruel(切除)?

2.Mymotherwas_________abooklover(不再)

3.Sharksarestanding____________thefoodchainintheocean.(在...顶端)

4._______,Iwasalreadyfinishedit.(实际上)

5.Now,thiskindofcomputers__