2017届高三英语限时训练7

《2017届高三英语限时训练7》由会员上传分享，免费在线阅读，更多相关内容在工程资料-天天文库。

1、限时训练七（时间：40分钟满分：100分）一•语法填空（共10小题；每小题2分，满分20分）Polarbearsaresufferingina1（warm）worldthaneverbefore.Polarbearsliveinenvironmentstoocoldformostanimals.2muchoftheyear,theyliveandhuntonthefrozenArcticseaice.Naturehasprepared3forthecoldconditions.Butnothinghasprepared

2、thebearsforthedangerthat4（threat）theonlyhometheyknow.Thepolarbears9worldismelting.Studiesshowthatthepolaricehasreducedby9.8%every10years5197&Nowabout20,000to25,000polarbearsliveintheArctic.Polarbearsdependontheseaicefortheir6（survive）,"Theseaiceismorethanjustthi

3、splatformthatthebearswalkoverjsaysAndrewDerocher,7scientistwhostudiesNorthAmericanpolarbearpopulations."_it,theycan'texist/5Somemeltingandrefreezingofthepolariceisnatural.9inawarmerworld,thesecyclesspeedup,andbearshavelesstimetohun匸Normally,theyhavethreemonthsin

4、thespringwhentheygainmoreweight.Theextrafatisusedlater,10thebearsarenotactivelyhunting.二.完形填空（共20小题；每小题2分，满分40分）Therearetimeswhenpeoplearesotiredthattheyfallasleepalmostanywhere.Wecanseethereisalotofsleepingonthebusortrainonthe「homefromworkintheevenings.Amanwill

5、be12thenewspaper,andsecondslaterit」3—asifheistryingtoit.Orhewillfallasleepontheshoulderofthestranger」5—nexttohim.J6_placewhereunplannedshortsleep7—isinthelecturehallwhereastudentwillstartsnoring（打鼾）so1&thattheprofessorhastoaskanotherstudentto19thesleeperawake.Am

6、oreembarrassing（尴尬的）situationoccurswhenastudentstartsfallingintosleepandthe20_oftheheadpushesthearmoffthe21_,andthemovementcarriesthe_22_ofthebodyalong.Thestudentwakesuponthefloorwithno_23—ofgettingthere.Theworsttimetofallasleepiswhen_24_・Policereportsarefullof2

7、5一thatoccurwhenpeoplefallintosleepandgo26theroad.Ifthedriversare_27_,theyarenotseriouslyhurt.Onewoman^scar,_2&,wentintotheriver.Shewokeupinfourfeetof29—andthoughtitwasraining・Whenpeoplearereally__30_.nothingwillstopthemfromfallingasleep一nomatterwheretheyare.11.A

8、.wayB•trackC.pathD.road12.A.buyingB.foldingC.deliveringD.reading13.A.actsB.showsC•appearsD.sounds14.A.openB・eatC.findD.finish15.A.lyingB.waitingC.talkingD.sitting16・A