【课本习题】人教版 必修二 unit 4

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1、【课本习题】人教版必修二Unit4作者：儒风无棣时间：2012年12月27日23:55Unit4课内练习答案（P27Ex.1）1.Itsfurisbeingusedtomakesweaters.Asthesweatersbecomepopular,moreandmoreanimalsarekilled.Soveryfewantelopesareleft.2.Thefarmersstoppedkillingtheelephants,sothenumbersareincreasing.3.Thegovernmenthelpsthefarmers.Itmakessuretha

2、tthetourcompaniespaythefarmerswhentouristscometovisitandhuntafewanimals.4.Lookingaftertherainforesthelpsprotectplantsandanimalsweknownothingabout.Theymaymakeitpossibleforustoproducemedicinesanddrugsthatwedon’tyetknowabout.5.(略)P27Ex.2P28Ex.11distant2decrease3powerful4affect5appreciate6hu

3、nt7protect……from8respond9reliefP28Ex.2wildreservehuntspeciespowerfulappreciatedreliefprotecting……from.P28Ex.31:protectionzonereserveanimalparknatureparksafaripark2:pandatropicalrainforestwildlifeMiludeerTibetanantelopeAfricanelephants3:extinctextinctionappreciatetheimportancepayattention

4、towildlifeprotectionpunishthehuntersinreliefinpeacedecreasedeclinethreatenprotect……fromprotectionincreaselossendangerhuntedkilledthreateneddoharmtoaffectP29Ex.21.PekingUniversitystudents2.beingprotectedbytheWWF3.beinghuntedbypeoplewhowishtotakethefurfromundertheirstomachs4.beingphotograp

5、hedbyDaisy5.arebeingkilledbytheJapanesefishermen6.arebeingattackedbythecat7.areservenearBeijing8.protectedbythegovernmentofthecountrieswhereitlives9.Itisbeingdestroyedbythepoorfarmerswhowantlandtogrowcrops10.Theyarebeingusedtoprotectfrommosquitoes.P29Ex31.Ifmyfriendisbeingattacked,Ishoul

6、dshoutforhelp.2.Ifmyfriendisbeingfollowedbyastranger,Ishouldgointoabusy,lightedstreet.3.IfIambeingkeptwaiting,Ishouldbepatientandreadabook.4.IfIambeingaskeddifficultquestions,Ishouldgivemyselftimetothinkofasatisfactoryanswer.5.IfIambeingbittenbymosquitoes,Ishouldputonsomeinsectspraywhich

7、willdrivethemosquitoesaway.6.IfIambeingbittenrunafterbyadog,Ishouldstopandpretendnottoseeit.7.IfIambeingpunishedbymyparentforsomethingIdidwrong,IshouldsaythatIamsorryandnotdoitagain.8.IfIambeingpraised,Ishouldthankthepersonpolitelyandfeelhappy.P30Ex.3No.2iscorrect.P30Ex.4