高考英语一轮复习UnitTheuniversallanguage课时跟踪检B卷选修819.pdf
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1、第 1 页 The universal language 课时跟踪检测 B 卷.完形填空(2021 宿迁市第二次质量检测)I have been through every one of the 17 toll booths(收费亭)on the OaklandSan Francisco Bay Bridge on thousands of occasions.Usually I hand over some _1_;I might get change;I drive off.I never had an exchange with anybody worth _2_.One morning
2、 I headed for lunch with a friend and I _3_toward one of the booths.I heard loud _4_.It sounded like a party.I looked around.No other cars with their windows _5_.I looked at the toll booth.Inside it,the man was _6_.“What are you doing?I asked.“Im having a party,he said.“What about the other _7_?I lo
3、oked over at other _8_;nothing moving there.“Theyre not _9_.I had a dozen other questions for him,_10_somebody in a big _11_ to get somewhere started pushing his horn(喇叭)behind me and I _12_.But I made a note to myself:Find this guy again.There is something in his eyes that says theres magic in his
4、toll booth.Months later I did meet him again,_13 m going to be a dancer someday.he said,“What do those look like to you?He pointed down the row of toll booths.“They look like toll booths.I said.“No _14_!he laughed,“I think they are vertical coffins 第 2 页(竖起的棺材)At 8:30 every morning,_15_people get in
5、.Then they are _16_for eight hours.At 4:30,coming to life,they reemerge(重新出现)and go home.For eight hours,brain is on hold,dead on the job.Sixteen people dead on the job,and I am the seventeenth,in precisely the _17_situation,but I figure out a way to _18_.He and I did have lunch later,and he said,“I
6、 dont understand why everybody would think my job is _19_.I have a corner office,glass on all sides.I can see the Golden Gate,San Francisco,the Berkeley hills;half the Western world vacations are here and I just come every day and _20_dancing.1A.permission Bgifts Cmoney Dtickets 2A.remembering Bdisc
7、ussing Ctalking Darguing 3A.walked Brun Cdrove Drode 4A.shouts Bmusic Cnoise Dhorn 5A.open Bbroken Cdusty Dshining 6A.waving Bsinging Cyelling Ddancing 第 3 页 7A.drivers Bpeople Cguests Dfriends 8A.cars Bbooths Coffices Dcoffins 9A.delighted Ballowed Cinvited Danxious 10A.or Bso Cand Dbut 11A.hurry B
8、need Csurprise Dpanic 12A.got off Btook off Cdrove off Dleft off 13A.even Bever Calready Dstill 14A.imagination Bgood Cuse Dreason 15A.sleepy Benergetic Ccommon Dlive 16A.dead Bresting Cworking Dsilent 17A.actual Bsame Cstrange Ddull 第 4 页 18A.work Blive Crecover Dchat 19A.valueless Bimproper Cborin
9、g Dabnormal 20A.practice Badvertise Cperform Dpromote.阅读理解(2021 无锡高三模拟)Some people are convinced they are already out there:swarms of tiny flying drones(无人机)cautiously surveying the world on behalf of their shadowy masters.In 2007 antiwar protesters in America claimed they were being watched by smal
10、l hovering robots that looked like dragonflies.Officials maintained they really were dragonflies.Whatever the truth,robotic flies actually are now getting airborne(升空)This week the successful flight of what are probably the smallest hovering robots yet was reported in Science by Robert Wood and his
11、colleagues at the Wyss Institute for Biologically Inspired Engineering at Harvard.These robots are the size of crane flies.Wingtip to wingtip they measure 3cm and they weigh just 80 milligrams.Like true flies,and unlike dragonflies or butterflies,they have but a single pair of wings.Dr.Wood,as he is
12、 quick to point out,is not trying to build a 第 5 页 military drone.Rather,it is the basic science behind flying insects that he and his team are interested in.No doubt the armed forces are taking a keen interest in this sort of work.But civilian applications such as search and rescue,he thinks,are li
13、kely to be as important as military and security ones.Indeed,the idea that inspired the study was that of using swarms of robotic flies to pollinate(授粉)crops.Flies,as anyone who has tried to hit one knows,are the most intelligent of flying creatures.Dr.Wood and his colleagues considered it impossibl
14、e,even with the best miniaturised(使小型化)mechanical and electrical parts currently available,to build an artificial version of one that would show anything like that level of aerial prowess(空中实力).They therefore had to come up with a new form of manufacturing,which they call smart composite microstruct
15、ures(SCM),to do the job.s robots are modelled on a hoverfly called Eristalis.They have a long way to go before they can mimic the precision of such a creatures flight.They can,nevertheless,hover.They can also carry out simple movements.These include turning by flapping one wing harder than the other
16、.s flies are similarly computercontrolled and this,for the moment,is where the illusion(幻觉,错觉)breaks down,because 第 6 页 the computer is on a desktop and is connected to the robot by a thin copper wire.That could be fixed with a suitable chip.But the wire also carries electric power:19 milliwatts,whi
17、ch is equal to the power consumed by a flying insect of the same size.Batteries light enough to fly with do exist.But they would keep the robot going for only a few minutes.1Why did Dr.Wood and his colleague invent a new form of manufacturing called SCM ABecause they could model robots on a hoverfly
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