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文章大意:这是一篇说明文。主要介绍了太空旅行的发展、吸引力以及行业的不确定性。

1 . “It will be marvelous. It will be spiritual.” This is the ________ tagline that Virgin Galactic used in 2004 to attract potential customers to its planned space tourism services. It promised that, within five years, it would take a total of over 3,000 passengers on life-changing trips in its spaceships. On July 11, 2021, after a last 90-minute delay, Virgin Galactic finally began its fulfillment of that original ________. For four minutes, its six temporarily weightless passengers, including the firm’s British co-founder, Sir Richard Branson, saw the planet against the blackness of outer space.

Back on the ground, Sir Richard called the experience “magical”. He may have ________ the fact that he was able to reach space earlier than Jeff Bezos, a fellow billionaire but much wealthier. On July 20, Bezos would go slightly higher, for slightly less time, in a vehicle that had been built by his own spacefaring company, Blue Origin.

The two tycoons (大亨) are among a growing number of ________ who believe that space tourism’s time has come. Suborbital (亚轨道的) tourism is part of a broader space economy that has rapidly grown over the past decade ________ technological advances. However, it is highly ________ that this will be true.

For now, Blue Origin and Virgin Galactic will offer ________ suborbital flights to paying customers. Blue Origin is focusing much more on the development of a large new rocket that will be used for the launching of satellites, on selling advanced rocket engines to other companies, and on bidding (投标) on NASA contracts such as the recently announced plan to send humans back to the moon. ________, Bezos doesn’t see Blue Origin as a provider of services to adventure-seekers.

Even this 4-minute suborbital travels have a(n) ________, apparently. A major survey found that nearly two in five people with a net worth of over five million dollars would consider paying $250,000, Virgin Galactic’s current price, for a ticket. The business could be ________, once regular flights begin to offset (抵消) the rockets’ development costs. But how fast and by how much is ________. Without tourist-friendly destinations to visit (the capacity of the International Space Station is strictly limited), orbital tourism, with its far higher ticket prices, will not be a huge earner.

Another challenge — and the industry’s biggest remaining uncertainty — relates to ________. History has shown that a disaster, ________ in the early stages of an industry, can set progress back by years. NASA ________ its plan to send the untrained to orbit in 1986 after a school teacher was killed along with the rest of the crew in the Challenger tragedy. It was another 15 years before the next untrained person would ________ the journey on a Russian craft.

1.
A.modestB.demandingC.motivationalD.unclear
2.
A.obligationB.commitmentC.requirementD.survey
3.
A.felt ashamed ofB.kept an eye onC.felt content withD.got upset with
4.
A.optimistsB.opponentsC.expertsD.objectors
5.
A.thanks toB.but forC.apart fromD.in spite of
6.
A.impossibleB.undoubtedC.probableD.favorable
7.
A.long-lastingB.inexpensiveC.automaticD.brief
8.
A.On the contraryB.What’s moreC.In the long runD.Above all
9.
A.shortcomingB.limitationC.advantageD.appeal
10.
A.profitableB.uneconomicC.eco-friendlyD.globalized
11.
A.predictableB.essentialC.irrelevantD.uncertain
12.
A.developmentB.securityC.stabilityD.novelty
13.
A.particularlyB.criticallyC.preciselyD.unforeseeably
14.
A.initiatedB.draftedC.modifiedD.suspended
15.
A.braveB.abandonC.steerD.pause
完形填空(约260词) | 困难(0.15) |
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2 . Which comes first, happiness or money? Are richer people happier ? And _________, how do people get richer? A recent study could tell you the answer.

The study_________ thousands of teenagers and found that those who felt better about life as young adults_________ to have higher incomes(收入) by the time they _________ 29. Those who were happiest earned an average of $8,000 more than those who were the most_________.

The researchers(研究者), from University College London and the University of Warwick, say that very   depressed(沮丧的) teens, no matter how tall or smart they were, earned 10% less than their peers(同龄人), _________ the happier ones earned _________ 30% more.

Happier teenagers have an easier time _________ school, college and the job interview, _________ because they always feel better about life. It may also be true that happier people find it easier to make friends, who are often the key to homework help or networking.

A report in June suggested that professional(职业的) respect(尊重) was more important than __________ in terms of workplace happiness. In August scientists announced(宣布) that they had found the __________ for happiness in women. Alas! The same gene(基因) doesn’t appear to have __________ effect on men. And in October researchers in the UK and in the US announced that people who eat seven portions(份) of fruit and vegetables a day report being the happiest.

If it is really true that happier kids __________ being wealthier (更富有) kids, is it necessary for parents to get their kids to do the homework? The fact is that no homework will make kids happy but surely hurt their grades(分数). Studies do show, __________, that more education __________ better-paid jobs, which may give us a deep thought.

1.
A.if notB.if soC.if anyD.if ever
2.
A.looked aroundB.looked intoC.looked outD.looked through
3.
A.apologisedB.acquiredC.attendedD.tended
4.
A.turnedB.grewC.wentD.got
5.
A.powerfulB.confidentC.delightedD.depressed
6.
A.whileB.whenC.asD.though
7.
A.right nowB.up toC.right awayD.down to
8.
A.getting offB.getting throughC.getting outD.getting on
9.
A.simplyB.justC.chieflyD.only
10.
A.jobsB.dollarsC.friendsD.parents
11.
A.geneB.brandC.characterD.nature
12.
A.the bestB.the differentC.the sameD.the most
13.
A.come upB.end upC.take upD.turn up
14.
A.first of allB.for allC.at allD.after all
15.
A.exists inB.contributes toC.results fromD.relies on
完形填空(约420词) | 困难(0.15) |
名校

3 . Dogs are often said to look like their owners, but the breed someone chooses could also reveal key aspects of their personality, psychologists claim.

They found that people _______ different types of dog depending on their lifestyle and character, though they typically don’t realize it.

Corgi owners, such as the Queen, tend to be extroverted, _______ Sir Isaac Newton’s Pomeranian could have signaled that he was creative and intelligent, the study suggested. The Duke and Duchess of Cambridge’s choice of a cocker spaniel puppy, Lupo, may _______ that they are agreeable and conscientious, while owners of greyhounds and beagles are more likely to be emotionally stable.

This could be because, like in a romantic relationship, we tend to _______ ourselves with pets that we feel we share something in common with, researchers from Bath Spa University found.

It could also _______ our lifestyle, with active dogs like retrievers and greyhounds appealing more to people who enjoy spending time _______, they added.

Dr. Lance Workman and Jo Fearon surveyed 1,000 dog owners via an online questionnaire on behalf of the Kennel Club.

The questions were designed to test the so-called “Big Five” traits that _______ our personality: extroversion, agreeableness, emotional stability, conscientiousness and intelligence.   

Dr. Workman said there was a definite link between a dog’s _______ and their owner’s personality. “I think when you look for a dog at some level, largely _______, you look for something that is a bit like you,” he said. “It’s a bit like a romantic partner. If they ________ they will probably last, and contrary to popular opinion, with romantic partners opposites don’t attract—you need to have a lot ________ if it’s going to last.”

But it also has to suit your lifestyle, he added. If you’re going to get a(n) ________ breed, you need to be an outdoor type person.

Someone’s choice of dog could also reveal ________ personality traits that do not immediately come across from watching them or listening to them speak.

The Queen’s ________ for corgis, for example, may signal that she is more extroverted than she appears to be, Dr. Workman explained.

He said, “It takes a lot to get up and stand up in front of the number of people she does as often as she does, and give a good talk, and at the same time she has to be controlled as the head of state. ________ the minor royals can party, she’s never been able to do that, so I think the personality that we see appears less extroverted than she actually is.”

1.
A.are aware ofB.are drawn towardsC.are compared toD.are disrespectful to
2.
A.ifB.whileC.as ifD.because
3.
A.confessB.proposeC.reflectD.announce
4.
A.matchB.contrastC.confuseD.provide
5.
A.changeB.result inC.be down toD.interact with
6.
A.workingB.planningC.indoorsD.outdoors
7.
A.combineB.governC.outweighD.examine
8.
A.sizeB.breedC.temperamentD.origin
9.
A.subconsciouslyB.knowinglyC.indifferentlyD.distinctively
10.
A.figure outB.team upC.break downD.fit in
11.
A.in commonB.to offerC.at handD.on hold
12.
A.fashionableB.luxuriousC.energeticD.glamorous
13.
A.hiddenB.positiveC.negativeD.evident
14.
A.toleranceB.capacityC.talentD.fondness
15.
A.SinceB.WhereasC.ForD.As long as
2020-08-17更新 | 826次组卷 | 2卷引用:2021届广东省广雅中学高三新高考模拟试卷
完形填空(约270词) | 困难(0.15) |

4 . Lazer loves running, and although he experiences a series of potentially fatal heart problems, he always cherishes a new finish line to inspire his _______.

By 2008, Lazer had undergone six heart _______, and the last one left him _______. In an attempt to feel_______, he decided to_______ his diet and, at the suggestion of a friend, started drinking more nutrient-packed juices._______, he began to feel good enough to _______ his sneakers and hit the_______again.

“After _______ the hospital, my goal was not to ________. I wanted to live my life as I desired, and that meant to ________ running and be in the best shape that I can,” he says. “I wasn’t going to be sedentary and sit on a sofa and ________ the remote. The big thing for me was that I wanted my own life. I was going to do everything I could to get my life back.”

To Lazer, that meant running, since it was such a big part of that life. ________, just months after that sixth surgery in 2008, he was back________ the starting line of the Las Vegas 26.2. And this past November, he crossed the finish line of his 18th ________ race.

Lazer ________ running as one of the main reasons he’s lived well beyond that one-year prognosis he got back in 2004. “I believe I started running ________ knowing that if I didn’t, I wouldn’t be living too ________,” he says. “Running is a part of who I am—I am ________ to be the best that I possibly can be. It’s such a huge part of my life that my life seems out of order if I’m injured or I can’t run. It’s kind of my ________.”

1.
A.recoveryB.championC.competitionD.growing
2.
A.hurtsB.brokenC.surgeriesD.rehabilitation
3.
A.devastatedB.debilitatedC.stroveD.hesitated
4.
A.brighterB.higherC.happierD.stronger
5.
A.pick upB.add upC.switch upD.turn up
6.
A.EventuallyB.NormallyC.QuicklyD.Strangely
7.
A.put upB.lace upC.take onD.control with
8.
A.masterB.diseaseC.competitorD.road
9.
A.getting out ofB.returning toC.running out ofD.dropping out
10.
A.achieveB.compromiseC.changeD.promote
11.
A.trainB.findC.continueD.start
12.
A.switchB.playC.fiddleD.press
13.
A.BesidesB.HoweverC.ButD.So
14.
A.fromB.atC.onD.about
15.
A.consecutiveB.successfulC.ordinaryD.special
16.
A.doubtsB.creditsC.hopesD.ponders
17.
A.somehowB.anyoneC.somebodyD.anyhow
18.
A.lateB.longC.painfulD.relaxed
19.
A.thinkingB.strugglingC.bravingD.striving
20.
A.drugB.lifeC.anchorD.entire
2020-05-16更新 | 704次组卷 | 2卷引用:2020届广东省广州、深圳市学调联盟高三第二次调研考试英语试题
完形填空(约260词) | 困难(0.15) |

5 . A special delight for many book lovers is to open a cover to find a map secreted inside. It is filled with the details of land about to be ______. A writer’s map hints at a fully imagined world. At the beginning of a book, it’s a promise of what is to come. In the middle, it’s a guide through the fictional environment. And at the end, a map is a ______ of all the places the ______ has taken you to.

A new book, The Writer’s Map, contains dozens of ______ maps. Some were drawn by ______, while others were made by artists to ______ places that writers have ______ in their stories. “All maps are products of human ______,” say Huw Lewis-Jones, the book’s editor. “For some writers, making a map is absolutely ______ to shaping and telling their tale.”

The book features essays by authors and mapmakers, many of whom ______ Treasure Island, a novel about a magical treasure hunting ______ on the high seas. It contains one of the most well-known ______ in literature. The author first sketched the map in 1881 for his stepson. A red X ______ the place where the treasure was ______.

The ______ of Treasure Island inspired other writers to ______ maps in their own stories. This is an experience ______ shared by map-loving writers. For some writers, map making is a ______ way to pull themselves into their own work. “I always ______ my way into stories,” writes Abi Elphinstone, author of the Dreamsnatcher books. “I begin every story by drawing a map because it is only when my ______ start moving from place to place that a plot unfolds.”

1.
A.occupiedB.soldC.measuredD.discovered
2.
A.reminderB.modelC.classificationD.possibility
3.
A.secretB.guideC.storyD.land
4.
A.datedB.originalC.InternationalD.official
5.
A.writersB.explorersC.paintersD.editors
6.
A.searchB.rememberC.illustrateD.suggest
7.
A.decidedB.locatedC.recognizedD.created
8.
A.evolutionB.imaginationC.natureD.history
9.
A.newB.centralC.secureD.unnecessary
10.
A.envyB.copyC.mentionD.criticize
11.
A.adventureB.jobC.reportD.tradition
12.
A.essaysB.ideasC.talesD.maps
13.
A.marksB.predictsC.coversD.divides
14.
A.displayedB.buriedC.lostD.stolen
15.
A.endingB.meaningC.coverD.success
16.
A.studyB.compareC.includeD.promote
17.
A.randomlyB.unwillinglyC.commonlyD.theoretically
18.
A.challengingB.practicalC.uniqueD.complicated
19.
A.drawB.makeC.trickD.lose
20.
A.feetB.wordsC.memoriesD.characters
2020-05-11更新 | 725次组卷 | 1卷引用:2020届广东省广州市普通高中毕业班综合测试(一)英语试题
完形填空(约270词) | 困难(0.15) |

6 . Rishi Sharma, a young man, is living his life differently. When he was a kid, Sharma was __ by the men who __ World War II. They were lucky to __ bullets (子弹), finally returning home and living a simple life, which interested Sharma very much. Sharma watched many documentaries on WWII and became __ that some of these men were still alive and he could __ them.

One day, Sharma came across the information that Lyle Bouck, a WWII hero, was living quite near his home. __, Sharma looked up the __ and dialed. Soon after, he __ visiting military veterans (退伍军人) in nursing homes.

Since graduation from high school, Sharma has made it his __ to interview as many WWII veterans as he can. Because many of them are in their 80s and 90s, Sharma __ that he has just around 10 years before the veterans of the so-called greatest generation are gone. Therefore, he’s __ everything else in his life — college, dating and hunting a job — to __ himself to this cause.

For each veteran __, Sharma creates a DVD of their stories. These men are known for their stoicism (淡泊) and the __ to discuss what happened during the war. __, with frequent contact with the veterans, they’re finally __ to share their stories.

Sharma tried to meet at least one WWII veteran every day until the last of them __. In May 2016, Sharma founded Heroes of the Second World War, a non-profit organization aiming to __ the stories of WWII veterans. He also launched a GoFundMe page which has __ in more than $186,000 up to now. Sharma uses that money to pay for his travel and __ equipment. He hopes to collect as many stories as he can — for their sakes, and for ours.

1.
A.adoptedB.selectedC.attractedD.trained
2.
A.looked intoB.ran intoC.commented onD.fought in
3.
A.shootB.escapeC.loadD.remove
4.
A.awareB.worriedC.shockedD.grateful
5.
A.consultB.encourageC.visitD.praise
6.
A.EventuallyB.ImmediatelyC.SuddenlyD.Naturally
7.
A.numberB.fileC.addressD.schedule
8.
A.imaginedB.consideredC.deniedD.began
9.
A.lessonB.dutyC.professionD.challenge
10.
A.arguesB.declaresC.hopesD.figures
11.
A.putting offB.searching forC.giving awayD.preparing for
12.
A.introduceB.referC.recommendD.devote
13.
A.helpedB.admiredC.interviewedD.appointed
14.
A.intentionB.curiosityC.refusalD.anxiety
15.
A.HoweverB.ThereforeC.OtherwiseD.Besides
16.
A.satisfiedB.willingC.afraidD.confident
17.
A.showed upB.set offC.got awayD.passed away
18.
A.sellB.designC.preserveD.assess
19.
A.turnedB.broughtC.brokenD.taken
20.
A.videoB.officeC.researchD.computer
2020-03-25更新 | 441次组卷 | 1卷引用:2020届广东深圳市高三上学期英语综合复习测试(一)英语试题
完形填空(约220词) | 困难(0.15) |
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7 . One British school is finding that allowing children to listen to music or even to have the TV on while studying is helping improve grades.______ your teenager starts a family quarrel by sitting in an armchair listening to music while doing his homework, why not ______ a simple experiment? ______ taking the heavy handed(严厉的)line of ______ him to his bedroom to get on with it ______, let him do the homework the ______ he wants. You might well find that his essay is more sparkling than ______ he’s done before.

According to the research of Millfield preschool, around 20% of youngsters ______ best with background music, 10% excel(突出) when allowed to ______ their work with short walks around the room while up to 80% can concentrate ______ if allowed to fiddle(用手拨弄)with a small object.

The research has advised the school to adopt a complete ______ approach, analyzing pupils to discover which learning style _____ them best then letting them do their work listening to music or______ lying down.______ parents at first regarded the ______ as a layabout’s(懒散闲荡的人) deed but many are now applying it at______ where children are also allowed to do their work ______ the television on.

”I ______ to work on the floor with music on low,” admits Susan, 13, a day girl.”At first my parents thought I was skiving (逃避),but my ______ persuaded them to look at my homework and when they saw it was okay, they ______.”

1.
A.ThenB.Next timeC.Before longD.In case
2.
A.takeB.allowC.formD.try
3.
A.Rather thanB.Except forC.In place ofD.In spite of
4.
A.causingB.advisingC.orderingD.permitting
5.
A.quicklyB.carefullyC.quietlyD.attentively
6.
A.wayB.atmosphereC.methodD.means
7.
A.everythingB.anythingC.nothingD.something
8.
A.progressB.relaxC.thinkD.work
9.
A.break outB.break downC.break upD.break in
10.
A.fasterB.betterC.deeperD.worse
11.
A.newB.specialC.commonD.interesting
12.
A.interestsB.affectsC.suitsD.improves
13.
A.stillB.perhapsC.almostD.even
14.
A.PuzzledB.DoubtfulC.AngryD.Unpleased
15.
A.moveB.suggestionC.researchD.problem
16.
A.schoolB.classC.homeD.last
17.
A.whileB.whenC.asD.with
18.
A.continueB.hopeC.hateD.prefer
19.
A.teacherB.classmateC.friendD.neighbor
20.
A.refusedB.agreedC.stoppedD.blamed
2020-02-17更新 | 350次组卷 | 1卷引用:广东省汕头市金山中学2019-2020学年高二上学期期中英语试题
完形填空(约290词) | 困难(0.15) |
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8 . The structure in organizations has changed. It has transformed from a boss to a leader being at the top and from method directing to cooperation, _______ how many of us have actually made this _______ within ourselves?

Let's not get personal about any person or connect this to any _______ organization. Consider the _______ pattern on a social media website such as LinkedIn. We often see good articles written by junior-level employees which _______ new enthusiasm and new perspectives, but how many senior-level _______ go and "Like" the article? Not _______read it, but actually "Like” it. More often than not, the answer is none. Leaders read such articles, but they _______ to press the "Like" button due to some fear!

A friend of mine, who holds the _______ of Director of Human Resources in a reputed organization, happened to mention an article that his team member had written. I casually enquired ________ the absence of a "Like" or comment from him. His answer really ________ me! He said: "You know what my ________ is? I cannot be commenting or liking his article in public!" Amazed by this behavior, I did my research on this pattern on a few social media platforms. Yes, people want to “Like" or comment on articles and photos that are published by people with a(n) ________ level and do so as well.

While we are ________ the "Like" button on a junior-level employee's one — year anniversary, we jump to be one in a few hundreds to offer ________ on a senior-level leader's one — year completion. However, I think our precious “Like" for the employee ________ a lot and encourages him, while, on the other hand, it is ________ many hundreds and is not ________ noticed by the leader.

Encourage new talents and ________ them. If we do not exhibit this socially, I am sure we will not ________ it in our job either.

1.
A.soB.otherwiseC.yetD.while
2.
A.organizationB.methodC.cooperationD.transformation
3.
A.unusualB.ordinaryC.commonD.particular
4.
A.behavioralB.onlineC.popularD.personal
5.
A.opposeB.containC.promoteD.lack
6.
A.leadersB.writersC.employersD.readers
7.
A.preciselyB.barelyC.merelyD.thoroughly
8.
A.stopB.hopeC.hesitateD.regret
9.
A.nameB.titleC.faithD.honor
10.
A.for lack ofB.on account ofC.in need ofD.with regard to
11.
A.confusedB.astonishedC.dissatisfiedD.annoyed
12.
A.teamB.levelC.habitD.reputation
13.
A.superiorB.differentC.averageD.junior
14.
A.pressingB.missingC.skippingD.considering
15.
A.congratulationsB.suggestionsC.opinionsD.remarks
16.
A.changesB.requiresC.provesD.means
17.
A.intended forB.replaced byC.judged byD.buried in
18.
A.evenB.justC.everD.still
19.
A.knowB.motivateC.demandD.observe
20.
A.representB.likeC.showD.notice
2020-01-31更新 | 1296次组卷 | 5卷引用:广东省华南师范大学附属中学、实验中学、广雅中学、深圳高级中学2019-2020学年高三上学期期末联考英语试题
完形填空(约280词) | 困难(0.15) |

9 . Children remain"bundles of joy" all over the world. We love their innocence and their need is our command. But have you ever been ______ to their healing (治愈)powers?

A good lady friend of mine, a school teacher, had _____ her beloved husband in a tragic car accident. She had been enjoying a _____ married life only for two and a half years when tragedy(悲剧)struck.

No one was able to ____ my friend. She stopped attending her school job, _____ to communicate with anyone and ____ instantly. As ____ we tried our best to bring her out of the dark and __ home but she refused stubbornly till her school principal, a _____ person visited her one day. He ____ her to get back to school and commented that the _____ of children would bring her peace of mind as nothing else could. Unwillingly, my friend started ____ school again, after nearly three or four months. I met her after a month and this is the time I was quite ______. Where was that depressed soul who I met last time? Here was my friend, back to her old self-happy, humorous and hill of ________ . When I asked her about the   ______of returning to where she belonged, she squarely put the ________ onto the children in the school with whom she spent a better part of her day.

This ________left a deep impression in my mind and I started to explore deeper into the _________of healing powers of children. My friend gave me many inputs to my study and she _______ that the more time you spend with people who are innocent, who give you unconditional love, the more joy and peace of mind you can get,   ______     during the troubled times.

1.
A.exposedB.devotedC.committedD.attracted
2.
A.savedB.missedC.lostD.deserted
3.
A.typicalB.happyC.simpleD.hard
4.
A.stopB.encourageC.comfortD.support
5.
A.refusedB.preferredC.tendedD.liked
6.
A.whisperedB.complainedC.sangD.cried
7.
A.colleaguesB.familyC.leadersD.friends
8.
A.pleasingB.depressingC.disappointingD.puzzling
9.
A.noble-mindedB.open-mindedC.warm-heartedD.white-haired
10.
A.advisedB.beggedC.forcedD.allowed
11.
A.natureB.attractionC.crowdD.company
12.
A.appreciatingB.attendingC.joiningD.helping
13.
A.surprisedB.satisfiedC.movedD.encouraged
14.
A.curiosityB.stressC.lifeD.sense
15.
A.consequenceB.purposeC.courseD.secret
16.
A.honorB.victoryC.creditD.blame
17.
A.incidentB.phenomenonC.accidentD.tragedy
18.
A.descriptionB.theoryC.conclusionD.progress
19.
A.expectedB.realizedC.confirmedD.suggested
20.
A.actuallyB.naturallyC.commonlyD.especially
2020-01-29更新 | 647次组卷 | 1卷引用:2020届广东省茂名市高三级第一次综合测试英语试题
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10 . Ecology is a complicated thing. Given the facts that elephant damage often kills trees and bush fires often kill trees, it would be________to assume that a combination of the two would make things worse. Contrary to this assumption, ________, as the recently-published research by Benjamin Wigley shows, if a tree has already been damaged, fire can________help to make things better.

One common way in which elephants harm trees is by stripping(剥) them of their bark(树皮). Dr Wigley, who did indeed start from the obvious________, set off to find out how much worse bush fires would make the effects of this bark stripping. To serve this purpose, he set up a study in the Kruger National Park. Since 1954, the Kruger has been the site of experiments in which plots of land have been burned________, to understand the effects of fire on plain ecology. In these experiments, Dr Wigley looked at trees in three different zones, in one of which, the trees were burned every year; in the second, they were burned every other year, while the third zone, by contrast, was actively________fire. To keep things consistent, he looked at the fate of the same tree species, the marula(马鲁拉树), in all three zones. He picked marulas because they are particular________of elephant activity. Their fruit are delicious, and prized by elephants and people alike. But elephants also seem to enjoy eating their bark. In July 2016 he and his colleagues identified 20 marulas in every zone and used special tools to________from each of them a circular section of bark 5 cm in diameter. Having imposed this damage, they________the wounds over the course of the following two years, to see what would happen. To their________, they discovered that the wounds of trees in fire zones recovered far better than those of trees that had seen no fires at all. Wounded trees in the annual burn zone re-grew 98% of their lost________during the two years of the study. Those living in the biennial(两年一次的) burn zone re-grew 92% of it. But those in the zone where fires were________re-grew only 72%.

The researchers also found something else when they were measuring the trees’ wounds: ants. Ten of the 20 trees in the fire-prevention zone developed ant colonies in their wounds. The ants in question were a species that is known to damage trees and is supposed to________tissue healing. By contrast, only five trees in the biennial burn zone and three in the annual zone developed ants’ nests in their wounds. It looks, therefore, as if bush fires are treating trees’ wounds by killing ants that might________colonize and damage them. Though such fires are surely harmful to healthy trees, it seems, in an example of two negatives making a positive, as if they are actually________to sick ones.

1.
A.difficultB.reasonableC.necessaryD.awful
2.
A.howeverB.thereforeC.furthermoreD.somehow
3.
A.uniquelyB.barelyC.actuallyD.merely
4.
A.phenomenonB.evidenceC.imaginationD.assumption
5.
A.equallyB.regularlyC.severelyD.purposely
6.
A.burnt withB.protected fromC.covered byD.exposed to
7.
A.participantsB.partnersC.victimsD.friends
8.
A.markB.removeC.hitD.measure
9.
A.regulatedB.checkedC.healedD.monitored
10.
A.disappointmentB.surpriseC.joyD.relief
11.
A.vitalityB.heightC.barkD.strength
12.
A.controlledB.preventedC.startedD.boosted
13.
A.disturbB.promoteC.impactD.quicken
14.
A.thereforeB.neverthelessC.thenD.otherwise
15.
A.beneficialB.unbelievableC.effectiveD.cruel
2020-01-08更新 | 939次组卷 | 4卷引用:广东省深圳外国语学校2020-2021学年高三第一学期第一次调研考试英语试题
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