超实用高二英语单元话题中心题型梯度训练-语法填空：专题03 环境保护类 语法填空（原卷版）.docx

专题03语法填空题型特训

环境保护类

学校:___________姓名：___________班级：___________考号：___________

一、 初阶练手

Passage1-5

二、 进阶练习

Passage6-10

三、 高阶提升

Passage11-15

一、初阶练手

PassageSEQa1

（23-24高二下·吉林长春·期中）阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。

Globalwarmingispushingthenumberofpolarbearsto1(it)limit.Accordingtoanewstudy,theycouldhavefewerthan100yearsleftbefore2(extinct).

Polarbearslive3huntingsealsintheArcticOcean,butasicemeltsinthatregion,theirhabitatcontinuestoshrink.Amountsmeasuredattheendofthe1970sshowseaicethatlastsformorethanayearintheArctichasdecreasedatarateof13%perdecade.

Studiesshowthat4(decline)seaicewillleadtoareductioninpolarbears.Theywillbeunabletobeartheeffectsofclimatechangeoverthenextseveraldecades.Thescientistsbelievepolarbearswillbe5(thorough)wipedoutby2100.

“Whatwe’veshown6(be)that,first,we’lllosethesurvivalofbearcubs(幼熊).Althoughcubswillbeborn,thefemalebearswon’thaveenoughbodyfattoproducemilk7(bring)themalongthroughtheice-freeseason,”saidDr.StevenAmstrup,chiefscientistofPolarBearsInternational,totheBBC．

Thestudyestimatesthat,eveninasituation8countriesachieveamoderate(适度的)reductioningreenhousegases,several9(population)ofpolarbearswilldisappear.ButAmstrupsaid,“Wecanmake10differenceifwehaveanurgetokeepclimatechangelittle.”

PassageSEQa2

（23-24高二下·云南·期中）阅读下面材料，在空白处填入适当的内容（1个单词）或括号内单词的正确形式。

HuntersuseddogstohelptrackandkillpandasinChinauntilthecountrydeclared1lawtoprotectthespecies.Butdogsarestillthreateningthesafetyofthisspecies.

Researchers2(begin)theirinvestigationwhentwocaptive-born(圈养出生的)pandas,whichhadbeenreleasedintoLizipingNatureReserve,wereattackedbydogs.

Therearedogsinpandare