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1、2021 届中卫市第三中学高三英语上学期期中试卷及参考答案 第一部分 阅读（共两节，满分 40 分）第一节（共 15 小题；每小题 2 分，满分 30 分）阅读下列短文，从每题所给的 A、B、C、D 四个选项中选出最佳选项 A WashingtonDCBusTours DC Highlights Tour This is their base tour.It begins at 10 am daily and lasts for 5 hours.This part-bus,part-walking tour includes guided stops in theUS.All of their
2、 tours include a driver as well as a tour guide,and yourtour guide will get off the bus and give you walking tours of each stop,while your bus and driver wait for you.Capitol Building,the White House,Washington Monument as well as the Lincoln and MLK Memorials and the Vietnam War and Korean War Vete
3、rans Memorials.$54Adult I$44Child(312)Discover DC Tour If you want pretty much to explore every famous monument and landmark in DC and take a 1-hour cruise on thePotomac River,then consider the Discover DC Tour.This 6-hour tour will take you to all locations(景点)listed on their DC Highlights Tour as
4、well as the World WarMemorial,the Franklin Delano Roosevelt Memorial,and the Thomas Jefferson Memorial.TIP:If you are planning on visiting NYC,you will get 30%off the Discover NYC Tour(normally$100)if you buy it at the same time as your Discover DC Tour.$74Adult I$54Child(312)VIP ExclusiveWashington
5、DCCity Tour This 8-hour tour is actually the Discover DC Tour above with a VIP add-on at the beginning and the end.You*11 meet your guide early for reserved(预留)tickets to tour inside the US Capitol Building.The 45-minute tour and film have reserved tickets so you dont have to worry about it being so
6、ld out.After your day of sightseeing,you ll be dropped off at the National Archives,again with reserved time tickets so you dont have to worry about waiting in line.$125 for Adults and Children Skyview Changeable Bus Tour On this changeable mini bus,you get to experience a guided tour with panoramic
7、 views(全景)without the glare of a window in the photos!A guided bus tour takes you not only through all locations listed on the DC Highlights Tour,but also Old Town Alexandria andNationalHarbor.$69Adult I$59Child(312)Time:9 am4 pm 1.Whats special about the DC Highlights Tour?A.It uses mini buses.B.It
8、 has the fewest locations.C.It has the most tour guides.D.It provides reserved tickets.2.How much should a man pay if he buys the Discover DC Tour and the Discover NYC Tour at the same time?A.$128.B.$174.C.$104.D.$144.3.Which tour lasts the longest?A.DC Highlights Tour.B.Discover DC Tour.C.VIP Exclu
9、siveWashingtonDCCity Tour.D.Skyview Changeable Bus Tour.B If you have ever tried to catch a resting butterfly,you know it is surprisingly difficult.A new study helps explain why.Previous research had suggested that a butterflys overhead wing clap forces the insect forward.Researchers thought the win
10、g clap likely formed a pocket of air that shoots out like a jet,but no one had tested that until now.To understand their flight,they placed six butterflies one at a time inside a wind tunnel which was filled with smoke and then used a laser to light up the smoke just behind the butterfly.Four high-s
11、peed cameras were placed in the tunnel to take photos of the movement of the butterfly and the-smoke as the butterfly was taking off.This let the researchers create a 3D picture of that air movement as the insect flapped its wings.They observed a total of 25 takeoffs by six butterflies.Each included
12、 up to three wing beats after takeoff.The butterflies proved more likely to clap their wings together during the first few wing beats than later in flight.The photos show that forces created by the wings give rise to a flight path.The butterflies rise as their wings move down and shoot forward as th
13、eir wings move up.A wing clap on takeoff,paired with a quick tum,allowed the butterflies to fly away quickly.They also noticed the wings formed an air pocket just before clapping and that the wings flexibility and this pocket improved the jet force created by the clap.“The study is exciting,”says Ay
14、odeji Bode-Oke,a mechanical engineer in Charlottesville.That means“we have solved the longtime puzzle about how butterflies fly,and it proves nothing is impossible on the road of scientific research.I cant wait to learn about how the study might inform designs for small aerial vehicles.”4.Why was la
15、ser used in the experiment?A.To frighten the butterflies into lying.B.To help researchers observe the butterflies.C.To help take clear photos of air movement.D.To guide the butterflies through the smoke.5.What is the finding of the research-according to paragraph 5?A.Butterflies fly forward as wings
16、 move down.B.An air pocket forms after butterflies clap wings.C.Butterflies beat wings three times before taking off.D.Upward wing movements help butterflies fly forward.6.According to the writer,the finding of the research can be used for .A.helping catch a resting butterfly more easily B.helping d
17、o research on other butterfly-like insects C.helping provide inspiration for making small flying vehicles D.helping widen the applications of small flying vehicle 7.What can be the best title for the text?A.Why Can Butterflies Fly Like a Jet?B.How Can Butterflies Make Wing Claps?C.How Can Butterflie
18、s Make Quick Tums?D.Why Can Butterflies Run Away Quickly?C This is Scientific Americas 60-Second Science.I am Christopher Intagliata.The Apollo missions brought back 842 pounds of rock and soil from the moon,thats nearly 2200 different samples.But the most interesting one,according to a scientist Me
19、enakshi Wadhwa,is a sample named Apollo 1-0-0-8-5collected by Neil Armstrong on Apollo 11.“He was about to step back into the lunar module(登月舱)when he turned around and saw there were little spaces in the rock box.He knew that geologists on earth would be just so excited to study these materials,so
20、he just scooped up nine scoops(勺)of soil and put it into the box.Wadhwa explained.It was one of the most well studied samples of the Apollo missions.And a geologist named John Wood noticed white flecks(微粒)of rock in the soil,which inspired him to dig deeper into the moons ancient past.“This was quit
21、e a leap of imagination he proposed that the whole of the moon had been almost covered with a magma(岩浆)ocean nearly 4.5 billion years ago.This was a revolutionary idea at the time,because people had thought the moon had formed cold,so it completely changed our idea how the moon formed.”But Wadhwa ha
22、s a more personal reason to appreciate this sample.She met her husband Scott Parazynski also because of this rock sample.Scott,a mountaineer at that time,wanted to climbMount Everestwith a moon rock while Wadhwa was the chairman of the NASA committee that gives access to the samples for scientific p
23、urposes.Neil Armstrongs last-minute scoop of moon dust brought two people together here on Earth and upturned our understanding of how the moon and the Earth itself-got here.Thank you for listening for Scientific Americans 60-Second Science.8.It can be learned from Paragraph 3 that _.A.Neil Armstron
24、g was excited to find the soil B.the spaceship was about to land on the moon C.Sample Apollo1-008-5 was collected at the last minute D.scientists were not satisfied with the samples brought back by Neil 9.Which of the following statements is TRUE according to the text?A.Scott made a new proposal abo
25、ut the moons origin.B.The Apollo missions brought back 842 rock samples.C.Apollo 1-0-0-8-5 brought new evidence to the moons formation.D.Wadhwa and her husband climbedMount Everestwith a moon rock.10.What is this text?A.A short interview.B.An introduction to a scientist.C.An inspiring speech.D.A bro
26、adcast story of a program.11.What is the text mainly about?A.A romantic story of a moon rock.B.A big leap made by Neil Armstrong.C.An unusual task for Apollo missions.D.An unexpected discovery in moon exploration.D The mass death of flying foxes in extreme heat in North Queensland last month underli
27、nes the importance ofUniversityofQueenslandwildliferesearch released today.The UQ research sheds light on how various species have responded to major climate events.A study led by UQ School of Earth and Environmental Science researcher Dr Sean Maxwell has spent more than 70 years quantifying the res
28、ponses of various species.“The growing frequency and intensity of extreme weather events such as cyclones,droughts and floods is causing unpredictable and immediate changes to ecosystems and blocking existing management efforts,”Dr Maxwell said.“Some of the negative responses we found were quite con
29、cerning,including more than 100 cases of dramatic population declines and 31 cases of local population extinction following an extreme event.”Populations of critically endangered bird species inHawaii,such as the palia,have been annihilated due to drought,leaving none of its kind,and populations of
30、lizard species have been wiped out due to cyclones in theBahamas.Cyclones were the most common extreme event for birds,fish,plants and reptiles,while mammals and amphibians were most responsive to drought events,with drought leading to 12 cases of major population decline in mammals.Drought also led
31、 to 13 cases of breeding declines in bird populations and 12 cases of changes in the composition of invertebrate communities.UQ Centre for Biodiversity and Conservation Science director Professor James Watson said the detailed information would help inform ecosystem management.“The research clearly
32、shows species will respond,often negatively,to extreme events,”Professor Watson said.“As climate change continues to ensure extreme climate and weather events are more and more common,we now need to act to ensure species have the best chance to survive.Wherever possible,high quality and intact habit
33、at areas should be retained,as these are the places where species are most resilient(易恢复的)to increasing exposure to extreme events.”12.How was the UQ researchconducted?A.By observing extreme weather events.B.By protecting the endangered species.C.By recording reactions of animals to extreme climate.
34、D.By analyzing the reason whymass animal death happened.13.What does the underlined word“annihilated”in paragraph 4 probably mean?A.destroyed B.defeated C.decreased D.disappeared 14.Which of the following sentences is true about extreme weather events?A.Drought caused 13 cases of distinctionin bird
35、populations.B.Drought caused 12 cases of population decline in mammals.C.Birds and mammals are most responsive to cyclones.D.Cyclones wiped out populations of lizard.15.What can we infer from Professor Watsons words?A.Animals often show negative responses to extreme events.B.The existing management
36、ways for wildlife protection are limited.C.Different methods should be adopted to ensure the survival of different species.D.Complete and undamaged habitats are of great importance to species survival.第二节（共 5 小题；每小题 2 分，满分 10 分）阅读下面短文，从短文后的选项中选出可以填入空白处的最佳选项。选项中有两项为多余选项 What is your best study time?D
37、o you feel most like studyingin the late hours of the night?_16_But that can be a problem for parents and school officials.While some students like to get up early in the morning and study,most will say that late night studying is most productive.When it comes to brain power,students will say they p
38、erform better at night and the fact that parents might find surprising and interesting is that science seems to agree.That can be a problem!School starts early in the morning for most students,so the benefits of studying at night can be reduced by the drowsiness(昏昏欲睡)of missing sleep!_17_ Here are a
39、 few tips for maximizing study time._18_You might surprise yourself.Try getting up early to study and see if it works out.Have a talk with parents to tell them that teen brains do perform better at night,so you wont have to deal with miscommunication._19_You might be able to come up with a solution.
40、Agree on an“start time”for studying if you need to study late.Turn off the TV!Your brain should be just fine at six or seven oclock.You dont need to start after dark.Agree on a solid deadline for closing books and getting to sleep._20_You can do all of that early evening and get serious later in the
41、 evening if youre a night owl.Upon occasion,you may be able to go to school a little late if you have to study for an afternoon test.As long as you are communicating with your parents,and as long as the tardiness doesnt hurt your grades,you may be able to work this out.A.Show them the science.B.If s
42、o,you are not alone.C.Dont waste time on texts,games,and social media.D.If not,adjust your study habits as quickly as you can.E.Therefore,its a good idea to study early in the evening.F.Figure out if you are a morning person or a night person.G.Science also shows that the amount of sleep you get wil
43、l affect your academic performance.第二部分 语言运用（共两节，满分 45 分）第一节（共 20 小题；每小题 1.5 分，满分 30 分）阅读下面短文，从每题所给的 A、B、C、D 四个选项中选出可以填入空白处的最佳选项 Steve was a seventh grader,a big boy,looking more like a teenager than a 12yearold.Yet,he went unnoticedhe had been_21_every examination since first gradeuntil Miss Wilma
44、appeared.In the middle of the first semester of school,the entire seventh grade was_22_for basic skills.“You all did pretty well，”Miss Wilma told the class after going over the_23_，“except for one boy.And it_24_my heart to tell you this,but.”she_25_，“the smartest boy in the seventh grade is failing
45、my class.”Steve_26_his eyes and carefully examined his fingertips.After that,Steve still wouldnt do his homework.Even if Miss Wilma_27_punished him,he remained_28_.“Steve,please!I care about you！”_29_,Steve got it!“Someone CARES ABOUT ME？！”One Monday a couple of weeks later,Miss Wilma gave a_30_onth
46、e weekend homework.Steve_31_through the test and was the first to hand in his paper.With a look of_32_，Miss Wilma took his paper and began to look it over.Miss Wilmas face was in a_33_shock!She glanced up at Steve,then_34_，then up.The smartest boy in the seventh grade had just passed his first test!
47、From that moment,nothing was the same for Steve.He discovered that not only could he remember and understand_35_,but he could translate what he learned into his life.He became_36_.After high school,Steve enlisted in the Navy,and he had a(n)_37_military career.During his naval years,he inspired many
48、young people who might not have_38_themselves without him.A_39_took place within the heart of a boy all because of one teacher,who_40_about him.21.A.missing B.failing C.passing D.skipping 22.A.tested B.classified C.separated D.dismissed 23.A.questions B.effects C.lessons D.results 24.A.fills B.press
49、es C.breaks D.destroys 25.A.shouted B.hesitated C.interrupted D.laughed 26.A.dropped B.raised C.covered D.closed 27.A.strangely B.steadily C.severely D.secretly 28.A.helpless B.stubborn C.flexible D.crazy 29.A.Commonly B.Unwillingly C.Particularly D.Suddenly 30.A.quiz B.chance C.speech D.presentatio
50、n 31.A.slept B.looked C.lived D.hurried 32.A.disappointment B.surprise C.satisfaction D.inspiration 33.A.bitter B.total C.precious D.ridiculous 34.A.down B.away C.out D.back 35.A.homework B.grades C.knowledge D.subjects 36.A.outstanding B.lazy C.rough D.troublesome 37.A.tiring B.ordinary C.hardworki