北京东城区高二英语下学期期末试题

《北京东城区高二英语下学期期末试题》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、北京东城区高二英语下学期期末试题1、单项填空)15.Theweatherwascoldwhilewewereaway.Iwishitwarmer.A.hadbeenB.wereC・wouldbeD・shouldbe)16.ThestreetIliveinisverynoisyatnight,makesitdifficulttosleep.A.whereB.thatC.whenD.which)47.IlateforthemeetingthismorningifRonhadn'tgivenmealift.A.couldcomeB.wouldhavecomeC.had

2、comeD.came)18.Thethoughtofgoingbackhomewasallkepthimhappywhilehewasworkingabroad.A.thatB.whichC.whoD.whom)49.Idon'tlikedogs・I'malwaysafraidof・A.tobebittenB.bitingC.tobiteD.beingbitten)20.Davidwasseenhomewithhisfamilyearlythismorning・A.tobeleavingB.leaveC・toleaveD.left)21.Mikehasn'tgo

3、tusedtoontheleftsidesincehecametoChina,A.drivingB.bedrivenC・bedrivingD.drive)22.—Annisinhospital.—Ohreally?I・I'llgoandvisithertomorrow.A.don'tknowB.didn'tknowC・won'tknowD.haven'tknown)23.Idon'tmindifyoucomeinlateyoucomeinquietly.A.eventhoughB.asifC・sothatD.solongas)24.wassuchlovelywe

4、atherthatwespentthewholedayonthebeach.A.WhatB.ThatC.ItD.ThisCBirdsenjoyarelativelyslowrateofextinctionbutanewstudysuggeststhatratemightbeseverelyunderestimated低估).Evenworse,ifhumanactionscontinue,birdextinetionratescouldskyrocketand12percentoftheknownbirdspecies(物种)couldbedyingoutbyt

5、heendofthecentury.Presentlythereare10,000knownbirdspecies—mostidentifiedafter1850—andanestimated130ofthosehavebecomeextinctsince1500,settingtheextinctionrateataboutonespecieseveryfouryears・ButaccordingtoStuartPimmofDukeUniversity,thisratefailstotakeintoaccountthreekeypoints:Thecontin

6、ualidentificationofextinetbirdspeciesfromfossilremains;numerousnmissingnspeciesnotyetdeclaredextinet;andthefactthatpresentextinctionrateswerenotcalculatedusingtheproperbaselinedateforwhenthespecieswasfirstdescribed・Takingthesepointsintoconsideration,theextinctionrateisclosertoonebird

7、speciesperyear,saysPimm,theleadingauthorofthestudy.Andtheratecouldbethreetimesashighasthatifnotforrecentbirdpreservationefforts・Inpreviouscenturies,birdextinctionstookplacemainlyonislandsasPolynesianpeoplesexpandedintothePacificorEuropeanstookovertheAmericas,wipingoutbirdsalongtheway

8、.Inrecentyea