PAGE1/NUMPAGES1
Unit3听说课名师课前预习单
Book7Unit3：Underthesea
课前预习题单
【教材版本与册数】人教版高中英语选修七
【单元名称】Unit3Underthesea
【课时】Section3（第3课时）
【课型】ListeningandSpeaking（听说课）
【预习任务描述】
1.阅读关于鲨鱼的相关背景知识；
2.预习听力题干中相关话题词汇。
【预习题】
阅读理解：阅读下面这篇文章并完成相关练习。
J:Don,whydoesthewords“sharkattack”frightensomanypeople?
D:Becausesharkattacksgetalotofattention,especiallywhentheyresultinterribleinjuries.Somanypeoplethinkthattherearehundredsofsharkswaitingintheseatoattackthem.
J:Aretheyrighttothinkthat?
D:No,notatall.Thechanceofbeingbittenbyasharkisextremelysmall.Throughouttheworldweknowofonlyafewpeoplewhowerekilledbysharkseachyear.Nowthinkofthemillionsofswimmers,surfers,snorkelersanddiversthatgointothesea!Itreallyshowsthatsharksarenotinterestedinattackingus.
J:Really?
D:Yes.Thetruthisthatit’sthesharksthatneedtobeprotected.Whileonlyafewpeoplearekilledbysharks,millionsofsharksarekilledbyuseachyear.
J:Goodness,that’sahugenumber!Sohowaresomanykilled?
D:Alotarekilledbymodernfishingtechnology.Althoughit’saimedatcatchingotherfish,sharksareoftencaughtatthesametime.Butsometimestheyarecaughtonpurpose.SharkfinsoupissopopularinsomeAsiancountriesthatmanysharksarekilledfortheirfins.
J:That’sterrible!
D:Itisindeed.Asaresult,thevarietyofsharkspeciesandtheirpopulationaredecreasingataseriousrate.Infact,somespeciesareclosetobeingendangered.Andtheshark’sbiologydoesn’thelpmucheither.
J:Whatdoyoumeanbythat?
D:Well,I’llgiveyouanexample.FemaleGreatWhiteSharksdonotgivebirthuntiltheyareabout15yearsold;theyoungtakeabout14monthstodevelopbeforetheyareborn;andtheyonlyhave7to9young.Sosharkpopulationsgrowataslowrate.
J:OK,sowhatshouldwedo?
D:Ithinkgovernmentaroundtheworldshouldtakeaction.Theyshouldreducefishing