2021届云南昭阳区一中高三英语上学期期末试卷及参考答案.pdf

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1、2021 届云南昭阳区一中高三英语上学期期末试卷及参考答案 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 In September,something terrible happened on the west coast ofTasmania,Australia.As many as 380 pilot whales became stranded(搁浅)in shallow water there and later died.This might have beenA

2、ustralias largest stranding event on record,the BBC reported.But this large amount of whale stranding is not uncommon.For centuries,it has happened all over the world and has puzzled scientists.Scientists say the cause is often unknown.But they have offered many different explanations.Some say the w

3、hales chase small fish for food and end up in shallow water because they are not paying attention to where they are going.Others think the stranding has something to do with Earths geomagnetic field(地磁场).They say that a geomagnetic compass in whales brains controls their position.Unusual changes in

4、Earths magnetic field can affect the whales compasses and send them in the wrong direction.Another explanation suggests that stranding is caused by the close relationships that whales have.Pilot whales travel in large groups.One lead whale might mistakenly lead the whole group to shallow water.“And

5、if one gets into trouble,the others will not leave,”said Sheryl Gibney,a leading biologist fromNew Zealand.“Some will come in and try to help,they get trapped on the beach,then more will come.”The whales are trapped by mistake or out of sympathy(同情).Once they get stranded,they will likely die.Accord

6、ing to the National Oceanic and Atmospheric Administration of theUS,less than 10 percent of all stranded whales survive.1.What do we know about the stranding inAustralia?A.It happened on theeast coast ofAustralia.B.It caused the death of over 300 pilot whales.C.It is commonly seen in September each

7、year.D.It was the largest stranding event in the world.2.According to Gibney,the pilot whales are the animals that_.A.are kind to each other B.are easy to lose direction C.are too huge to float in the sea D.are silly to follow the leading whale 3.What is the story mainly about?A.How human activity h

8、as affected whales.B.What might cause whale strandings.C.How whales find their direction while traveling.D.What scientists are doing to save stranded whales.B The history of the flying car is almost as old as that of powered flight itself.It started with the Curtiss Autoplane of 1917,an awkward-look

9、ing machine with removable wings.It never left the ground.Later machines made it into the skies but failed to take off commercially.Money is now pouring into flying taxis.On March 30th Lilium,a German company that develops them,announced a merger with SPAC,an acquisition company that values it at$3.

10、3 bn-a sign that investors think the business will fly.Thanks to better batteries and lightweight materials,some of them are ready to carry passengers.Up to 300 firms are working on short-range battery-powered craft that take off and land vertically.Carmakers,tech companies and others are investing

11、money into the field.The government isoffering a glide pathto certification.Americas Federal Aviation Administration is engaged in the process with around 30 firms,says Natasha Santha of LEK,a consulting company.Midway between a cab and a helicopter,flying taxis have distinct advantages over both.Qu

12、iet electric motors allow them to operate frequent services.They require only a patch of concrete to land,unlike noisy helicopters,which face severe operating restrictions in most cities.They can fly four or five times faster than a cab can drive and do not get stuck in traffic.Prices can be kept lo

13、w by ride-sharing.Joby,based inCalifornia,says its five-seater machine will enter commercial service in 2024.The firm calculates the initial cost of around$4 per person per mile may soon fall by 25%.A trip fromManhattanto JFK airport would then cost$30-40 per passenger.The real revolution will come

14、when full autonomy takes out the cost of a pilot.Archer hopes to run such aircraft by 2028.They face fewer obstacles in the air than earth-bound cars do on the road;airliners mostly fly on autopilot as it is.Still,as one industry insider puts it,it is probably best to accustom passengers and regulat

15、ors to airborne taxis before getting rid of the driver.4.What can we learn from Paragraph 1?A.The flying car can date back to the 1920s.B.Investors see the potential of the business of the flying car.C.The flying car never left the ground successfully in history.D.A German company has launched a new

16、 flying car into the market.5.What does offering a glide path in Paragraph 2 probably refer to?A.Giving the green light.B.Providing timely assistance.C.Presenting legal guidance.D.Conducting strict management.6.Which of the following is the strength of flying taxis?A.Costing as little as cabs.B.Savi

17、ng passengers from the traffic jam.C.Reducing air pollution.D.Having no operating restrictions.7.What can be inferred about the flying taxis from the last paragraph?A.They will develop faster than cars.B.Passengers will quickly get used to taking them.C.The regulators will take measures to promote t

18、hem.D.Autopilot flying taxis will probably replace those with pilots.C Scientists have long sought to prevent sharp memories from dulling with age,but the problem remains unsettled.Now research published in Scientific Reports suggests virtual reality might help older people recall facts and events b

19、ased on specific details.The study involved 42 healthy older adults from the San Francisco Bay Area.Half spent a dozen hours over four weeks playing a virtual-reality game called Labyrinth;they wore headsets and walked in place,walking virtual neighborhoods while completing small tasks.The other hal

20、f,in the control group,used electronic tablets to play games that did not require recalling details.After 15 sessions(期),the latter performed roughly the same as before on a long-term memory test.But the Labyrinth players gain an improvement in memory through the VR game.A scientist Peter Wais of th

21、e University of California said the improvements brought them up to the level of another group of younger adults taking the same memory tests.Meredith Thompson,an education researcher,studies learning through VR games but was not involved in the new study.It would be great to actually follow people

22、over time and see what this type of game does for long-term memory.She says,adding VR can provide greater involvement than other games.Waiss team is now investigating how long the observed effects last and which elements of the training have the most impact.A cognitive(认知)psychologist,Daniel Simons,

23、who was also not involved in the study,notes experiments with other games that claim to train the brain have often failed to evaluate this.And it remains unclear how test performance in a laboratorysetting might translate to real-world situations.The outcome,Simons notes,“needs to be repeated,ideall

24、y with a much larger group,before its treated as a strong finding.”For now,Wais says,the team hopes its studies with similar-sized groups will help draw funding to test the game in a larger pool of participants.8.What is the passage mainly about?A.Peoples memory gradually fails as they age.B.People

25、of different ages should play VR games.C.Virtual reality changes peoples memory.D.Virtual reality improves older adults memory.9.What is Meredith Thompsons attitude toward the research?A.satisfied.B.enthusiastic.C.cautious.D.concerned.10.According to the scientists,the research needs to be improved

26、due to _.A.the lack of financial support.B.the limited pool of participants.C.the unsatisfying test performance.D.the impractical application in real world.11.Where may the passage come from?A.A novel.B.A review.C.A magazine.D.A guidebook.D The common use of Google Maps,a navigation(导航)app on smartp

27、hones,raises the age-old question we meet with any technology:What skills are we losing?But also,crucially:What capabilities are we gaining?People who are good at finding their way around or good at using paper maps usually experience lots of confusion with digital maps.For example,they may mess up

28、the direction of north and south,and you can see only a small section at a time.But consider what digital navigation aids have meant for someone like me.Despite being a frequent traveler,Im so terrible at finding my way that I still use Google Maps almost every day in the small town where I have liv

29、ed for many years.What seems unnecessary to some has been a significant expansion of my own capabilities.Part of the problem is that reading paper maps requires a specific skill set.There is nothing natural about them.In many developed nations,street names and house numbers are meaningful,and instru

30、ctions such as“go north for three blocks and then west”usually make sense.In Istanbul,in contrast,where I grew up,none of those hold true.For one thing,the locals rarely use street names,and house numbers often arentsequentialeither because after buildings 1,2 and 3 were built,someone squeezed in an

31、other house between 1 and 2,and now thats 4.But then 5 will maybe get built after 3,and 6 will be between 2 and 3.Besides,the city is full of winding and ancient streets that meet with newer ones.Therefore,instructions as simple as“go north”would require a helicopter.I got lost all the time.But sinc

32、e I used Google Maps,I travel with a lot more confidence,and my world has opened up.And because I go to more places more confidently,I believe my native navigation skills have somewhat improved,too.That brings me back to my original question:while we often lose some skills after seeking convenience

33、from technology,this new setup may also allow us to expand our capabilities and do something more confidently.Maybe when technology closes a door,we should also look for the doors it opens.12.How does the author feel about Google Maps?A Confusing.B.Unnecessary.C.Complicated.D.Helpful.13.Which contri

34、butes to the difficulty of finding ways in Istanbul?A.Strange street names.B.Ordinary paper maps.C.Complex road arrangements.D.Lack of road instructions.14.What does the underlined word“sequential”in Paragraph 3 probably mean?A.In a fixed order.B.In good condition.C.Of great importance.D.Of the same

35、 kind.15.What column of a newspaper may this passage belong to?A.Fashion.B.Opinion.C.Society.D.Geography.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 When you have got a lot of stuff，decluttering(整理)your home can be really necessary.Decluttering is just about putting new syst

36、ems into place in your life._16_，you realize how great you feel about it，and you want to keep going.Getting rid of things gives you time to look after yourself._17_，or looking for the potato peelerbecause everything has a home and you know exactly where it isyoure free to spend that time on yourself

37、 and your family.Its liberating._18_.It has taken you a long timeto get everything，and you wont be able to get rid of it all straight away.If youre pushed for time，there are easy ways of introducing decluttering into your life.Spend 10 minutes a day decluttering or，if thats not manageable，declutter

38、three items a week.Have three piles:one for things youre going to keep，one for things that are a maybe，and one for things youre going to give away.You will also need some bin bags，for rubbish.A revisiting pile is important if youre struggling to get rid of things._19_.More often than not，you end up

39、saying，actually，I dont need that.Stay focused.People often get sidetracked when theyre trying to declutter.They start trying on clothes they had forgotten about，or looking at old photos.Another common mistake is to justmove things from place to place，instead of getting rid of them._20_.A.Once you st

40、art decluttering B.You need time to reflect on what to keep C.Dont expect to declutter everything overnight D.When youre not always looking for the scissors E.Ifyou realise that you own six wine openers，keep only one F.Start the decluttering process before you move in with a new partner G.You can ju

41、st leave things there for a few weeks before a final decision 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 For many,public speaking is a huge headache.As someone who is very shy,I never thought I could perfectly_21_a speech until I decided to_22_an En

42、glish speaking competition.One day when I entered the classroom,my eyes were immediately drawn to a sign_23_that an English speaking competition would be hold next month.Giving a speech in front of a large audience would be a huge challenge for me._24_,I really didnt want to miss this opportunity to

43、 help_25_my confidence and cultivate(培养)my _26_speaking skills.I was torn between my desire of participating and my_27_of speaking in public.In the end,I_28_myself to sign up and to take on the challenge.I didnt want to be shy any more.I carefully chose a suitable topicand constantly polished my spe

44、ech to_29_it.I also practiced my pronunciation and every gesture in front of the mirror over and over again._30_,the big day arrived.I heard he hot say,Lets welcome contestant number 9.I stepped onto the stage and saw that the hall was completely_31_with people.A burst of fear took over me.I could f

45、eel my heart pounding and my palms(手掌)began to_32_and got wet.My legs trembled and I felt as cold as ice.To make matters worse,my mind went_33_and I couldnt remember what I was going to say.I was at the point of giving up when I suddenly_34_my English teacher in thecrowd,who was standing in the corn

46、er and smiling at me.Seeing her warm smile,I felt that a sense of_35_immediately replaced the mounting fear and anxiety in my mind.My only thought was that I needed to calm down and enjoy this cheerful moment on stage.I took a deep breath,calmed down and started my speech.I focused all of my attenti

47、on on every word so I wouldnt make any mistakes.I gradually became_36_in my speech and my nervousness transformed into confidence and excitement.It turned out that my speech was nothing but success.I_37_from the other competitors.I took my_38_at the podium(领奖台)to receive a shining medal for my speec

48、h.From what I have experienced,I know nothing is_39_.We will face many difficulties in life.These difficulties are like climbing a mountain.It might be difficult at first,but overcoming the difficult will take you to new_40_.The view is definitely worth it.21.A.deliver B.prepare C.arrange D.write 22

49、.A.host B.participate in C.organize D.check out 23.A.announcing B.promising C.claiming D.saying 24.A.Therefore B.So C.However D.Instead 25.A.rely on B.express C.restore D.build up 26.A.public B.personal C.favorite D.usual 27.A.motivation B.surprise C.disappointment D.fear 28.A.appealed B.devoted C.p

50、ersuaded D.advised 29.A.perfect B.remember C.record D.shorten 30.A.Instantly B.Eventually C.Unexpectedly D.Constantly 31.A.concerned B.packed C.disabled D.covered 32.A.seize B.numb C.sweat D.ache 33.A.wrong B.mad C.blank D.dead 34.A.met B.missed C.recalled D.spotted 35.A.strength B.loss C.duty D.dir