学年高中英语 Unit 4 Wildlife protection课时作业 新人教版必修2Word格式文档下载.docx
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withchemicalsandwaste,makingthemunfitforwildlife.Thesecausesofextinctionareknownasindirectdestruction.
Animalsmayalsobecomeextinctthroughdirectdestruction.Thisincludesthehuntingandcatchingofanimals.Manhasalwayshuntedandkilledwildlifebutwhenearlyhumanslivedmoreinharmonywithnature,theykilledanimalsforessentialfoodandclothing.Whenfirearmswereinvented,greatdestructionofspecieswaspossible.Animalshavebeen,andstillare,killedformeat,clothing,medicines,feathers,eggs—andsometimesjustforamusement.Somespeciesarestillcaughtinthewildforthelivepettrade,eventhoughtheirnumbersaredecreasing.
Theextinctionofatleast500speciesofanimalshasbeencausedbyman.Todaythereareabout5,000endangeredanimalsandatleastonespeciesdiesouteveryyear.Thereareprobablymanymorewhichbecomeextinctwithoutanyoneknowing.
【词海拾贝】
1.extinction n.灭绝;
绝种
2.steadilyadv.平稳地
3.continuousadj.连续不停的;
不间断的
4.habitatv.栖息地
5.destructionn.破坏
【问题思考】
阅读短文,判断正(T)误(F)。
1.BeforemanarrivedonEarth,specieswerenotextinct.( )
2.Scientistsarequitesurewhythedinosaursbecameextinct.( )
3.Theincreaseinthehumanpopulationcausestheincreaseintherateofextinctionoverthesameperiodoftime.( )
答案:
1.F 2.F 3.T
Ⅰ.将单词与其正确释义配对
1.decrease A.鉴赏;
感激;
意识到
2.reserveB.安全的;
可靠的
3.huntC.雇佣;
利用
4.respondD.减少;
变小
5.containE.包含;
容纳;
容忍
6.affectF.保护区
7.appreciateG.成功;
接替;
继任
8.succeedH.回答;
响应;
做出反应
9.secureI.损害;
危害
10.incomeJ.收入
11.employK.打猎;
猎取;
搜寻
12.harmL.影响;
感动;
侵袭
1.D 2.F 3.K 4.H 5.E 6.L 7.A 8.G
9.B 10.J 11.C 12.I
Ⅱ.根据所给汉语提示写出单词
1.________n.仁慈,宽恕;
怜悯
2.________v.咬;
叮;
刺痛
3.________vt.检查;
视察
4.________n.事件;
事变
5.________adj.凶猛的;
猛烈的
1.mercy 2.bite 3.inspect 4.incident 5.fierce
Ⅲ.根据英语释义写出单词
1.________:
farawayinspaceortime
2.________:
feelingofcomfortwhensomethingworrying
hasendedornothappened
3.________:
tokeepsomeoneorsomethingsafefromharm
4.________:
beabletocontrolevents
5.________:
beimportant
1.distant 2.relief 3.protect 4.powerful 5.importance
Ⅳ.选用短语的适当形式完成句子
decreaseto;
inpeace;
indanger;
burstintolaughter;
payattentionto;
doharmto;
protect...from;
inrelief;
dieout;
atthemercyof
1.Readinginbedforalongtimewill________________youreyes.
2.Everystudentshould________________whatyourteachersaidinclass.
3.Thetwocountrieshavebeenlivingtogether_____.
4.Noonewasinjuredintheaccident;
weallsmiled_______.
5.It'
shightimethatweshouldtakemeasurestoprotecttheseoldtraditionsbeforethey______________.
6.Thepoorcatis________________thenaughtyboy.
7.Hearingthefunnystory,alloftheboys_____________.
8.Children'
slivesare____________________everytimetheycrosstheroad.
9.Thegovernmentisdoingthebestto________thoserareanimals________beinghunted.
10.Thenumberoftherarebirdsinthisareahas_______aboutninety.
1.doharmto 2.payattentionto 3.inpeace
4.inrelief 5.dieout 6.atthemercyof 7.burstintolaughter 8.indanger 9.protect from 10.decreasedto
课文表层理解
Ⅰ.判断正(T)误(F)
1.TheantelopeinTi
betbecomesanendangeredspeciesbecauseofitsfurbeingusedtomakesweaters.( )
2.Thelivingconditionsoftheelephantsareworsethantheywere.( )
3.WhatthegovernmentofZimbabwedidprovideuswit