Unit13We’retryingtosavetheearth!SectionA(3a~3b)Doyouknowaboutthem?SouthChinatiger華南虎goldenmonkey金絲猴Doyouknowaboutthem?pandaTibetanantelope藏羚羊[??nt??l??p]Theyareallendangeredanimals.Whatdoyouknowaboutsharks?Doyouthinksharksareendangered,too?Whatdoyouthinkmighthavecausedafall(減少)inthenumberofsharks?Haveyoueverdrunksharkfinsoup?Sharkfinsoupisadelicacy(佳肴)thatispopularinSoutheastAsia.Itisrear(稀有的)andisbelievedtohavemanyhealthbenefits（益處）,soitisveryexpensive.Itisoftenservedatweddingdinnersandotherimportantbanquets（宴會）.Infact,itisalmostakindofstatus（地位）symbolshowingoff（炫耀）

thehost'swealthandposition.Culturalclips3a3aNumberofsharkscaughtandtraveledeveryyearHowgovernmentcanhelpTwoenvironmentalgroupsagainst“finning”70millionWildAidandtheWWFDeveloplawstostopthesaleofsharkfins3bReadthepassageagainandfillintheblankswiththewordsinthebox.soalthoughifbutwhen1.Manypeopledonotrealizetheyarekillingawholeshark________theyenjoyabowlofsharkfinsoup.2.Sharksareatthetopofthefoodchain,______iftheirnumbersdrop,theocean’secosystemwillbeindanger.3.Manythinkthatsharksaretoostrongtobeendangered,______theyarewrong.whenbutso3bReadthepassageagainandfillintheblankswiththewordsinthebox.soalthoughifbutwhen4.__________therearenoscientificstudiestosupportthis,alotofpeoplebelievethatsharkfinsaregoodforhealth.5.Sharksmaydisappearoneday______wedonotdosomethingtostopthesaleofsharkfins.AlthoughifFillintheblankswiththewordsinthebox.exercises

Hestudiedhard,hedidnotpasstheexam.Iwastired,

Idecidedtotakeanap.Thechildrenstoppedplaying

theyheardthebell

youstudyhard,youwilldowell.Sheisinterestedinliterature,

herparentswanthertostudybiology.soalthoughifbutwhenAlthoughsowhenIfbutTakenotes!hearof意為“聽說"，相當于hearabout.例:Iheardofthecaraccidentyesterday.昨天我聽說了這起車禍。hearfrom收到……的來信Iheardfromherlastweek.我上周收到了她的來信Takenotes!eachtime“每次”，名詞性短語，引導時間狀語從句=everytime類似還有thefirsttime,theminutethemoment等例:Eachtimemeethim,hetriestotellmesomethingnew.每次我遇到他，他都盡力告訴我一些新鮮事情。Takenotes!cutoff動詞短語“切掉，割掉”cutdown減少，砍倒cutup切開，切碎cutin打斷，插嘴Takenotes!beharmfultosb./sth.”對某人、某事有害”=doharmto/bebadforSmokingisbadforourhealth.Smokingdoesharmtoourhealth.die此處為不及物動詞，意為“死，死亡”，其過去式和過去分詞皆為died,現在分詞為dying,形容詞為dead/dying.例:Theoldmandiedofcanceryesterday.昨天那位老人死于癌癥。die是短暫性動詞，不能與表示一段時間的"for短語”連用，如“他死了三天”不能說"Hehasdiedforthreedays.",而應說"Hehasbeendeadforthreedays."或"Hediedthreedaysago.".