2020届常德市第七中学高三英语第二次联考试题及答案解析.pdf

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1、20202020 届常德市第七中学高三英语第二次联考试题及答案解析届常德市第七中学高三英语第二次联考试题及答案解析第一部分第一部分阅读（共两节，满分阅读（共两节，满分4 40 0 分）分）第一节（共第一节（共 1515 小题；每小题小题；每小题 2 2 分，满分分，满分 3030 分）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 AI started working with my hands at a young age.The youngest of five brothers,I took onthe role as a“maintenance(维修)man”a

2、t an early age for our familys small grocery store.Often my dad wouldnt give me aclear idea of how something shouldbe done,so I just had to figure it out by researching or through trial and error.Fast forward to 2016 and those problem-solving skills would become the focus of Tippecanoe High SchoolsH

3、omebuilding class.I knew I wanted to teach the students skills that went beyond just being able to hammer nailsor cut pieces of two-by-fours.The problem wasthat we didnt have the resources at the time to do much else.The idea of attracting some type of funding seemed very important.Designing,buildin

4、g and selling a tiny house onwheels seemed like the perfect project to accomplishthe task.I reached out to a number of local businesses andmost of them responded with the greatest support for what x k w we were doing.This year we added a new element to the program.Through one of our partners,we were

5、 able to connectwith the nonprofit Veterans Ananda Incorporated.Students in the Homebuilding class are leading the design andproduction of micro houses to be donated to this organization.The new partnership gives the students anotherfocus to consider when designing and building the houses.There has

6、been no shortage of students since our first year.Three years ago we had 41 students,the next 191,and this year it was limited to just over 160 students so we could have a safe and manageable classroomenvironment.The number of girls taking the class has risen steadily over the last few years as well

7、.This class offerssomething for everyone and the skills are universal.1.How can we describe the young author?A.He opened a small grocery store.B.He did a lot of research in the lab.C.He enjoyed doing hands-on activities.D.He learnt about maintenance from his father.2.What do the underlined words“the

8、 task”in paragraph 2 refer to?A.Getting some financial support.B.Selling a tiny house on wheels.C.Reaching out to many local businesses.D.Offering the students some problem-solving skills.3.What can be inferred about the Homebuilding class from the last paragraph?A.Its size needs increasing.B.Itis p

9、opular with the students.C.It has caused some safety concerns.D.Its classroom environment is hard to manage.BHidden beneath the surface in the roots of Earths astonishing and diverse plant life,there exists a biologicalsuperhighway linking together the members of the plant kingdom in what researcher

10、s call the wood wide web.The network is comprised of thin threads of fungus(真菌)that grow outwards underground up to a fewmeters from its partnering plant,meaning that all of the plant life within a region likely connected to one another.The partnership is beneficial for both parties involved,plants

11、provide carbohydrates(碳水化合物)to the fungusesand in exchange,the funguses aid in gathering water and providing nutrients to its partnering plant.A study conducted by Rensen Zeng of theSouthChinaAgriculturalUniversityfound that this also allowed forplants to warn one another of potential harm.The study

12、 showed Broad Beans used the fungal network to spy onone another for upcoming danger.Like our Internet,this fungal connectivity is also full of crime.Some plants,such as Golden Marigolds havebeen found to release poisons into the network to slow down the growth of surrounding plants in the fight for

13、water and light.Other plants,such as the Phantom Orchid,do not have the chlorophyll(叶绿素)and must get thenecessary nutrients from surrounding plants.Research suggests that animals such as insects and worms may be able to detect slight exchanges of nutrientsthrough the network,allowing them to more ea

14、sily find delicious roots to feed on;however,this has not beenconclusively made clear in experimentation.The more we learn about this phenomenon,the more ourunderstanding of the plant life of our planet will continue to change.Perhaps one day,we may be able to map outthese complex networks entirely.

15、4.What is the function of the first paragraph?A.To explain the aim of the web.B.To introduce the main topic.C.To give definition of diverse life.D.To show the importance of plants.5.The criminal behavior of plants can be seen as a way to_.A.compete for survivalB.gather more waterC.take in sunlightD.

16、break natural rules6.What does the last paragraph suggest?A.Animals can also feed on the fungus.B.Nutrient exchanges are too slight to detect.C.No experiment can prove the phenomenon.D.More needs to be done to work out the network.7.Which can be the best title for the text?A.The Partnership between

17、PlantsB.The Unknown Roots of the EarthC.The Superhighway Linking the PlantsD.The Mysterious Map Changing the WorldCThe Gata used to look annoyed when they received power bills that routinely topped$200.Last Septemberthe couple moved into a 1,500-square-foot home in Premier Gardens,an area of 95“zero

18、-energy homes”(ZEH)just outside town.Now theyre actually eager to see their electricity bills.The grand total over the 10 monthstheyve lived in the three-bedroom house:$75.For the past two months,they havent paid a cent.ZEH communities are the leading edge of technologies that might someday create h

19、ouses that produce asmuch energy as they consume.Premier Gardens is one of a half-dozen subdivisions(住宅开发项目)in Californiawhere every home cuts power consumption by 50%,mostly by using low power appliances and solar panels.Aside from the panels on the roof,Premier Gardens looks like a community of tr

20、aditional homes.But inside,special windows cut power bills by blocking solar heat in summer and keeping indoor warmth winter.The rest of the energy savings comes from the solar units.They dont just feed the home they serve.If theygenerate more power than the home is using,the excess flows into the u

21、tilitys power grid(电网).The residentsare billed by“net metering”:they pay for the amount of power that they get from the grid,minus the kilowatts(千瓦)they feed into it.If a home generates more power than it uses,the bill is zero.That sounds like a bad deal for the power company,but its not.Solar homes

22、 produce the most power on thehot sunny afternoons when everyone rushes home to turn up the air conditioner.It helps us lower usage at peakpower times,says solar expert Mike Keesee.“That lets us avoid building costly plants or buying expensive powerat peak usage time.”Whats not to like?Mostly the co

23、sts.The special features can add$25,000 or more to the purchase price of ahouse.Tax breaks bring the cost down,especially in California,but in many states ZEHs can be extremelyexpensive.For the consumer,its a matter of paying now for the hardware to save later on the power bill.8.Why is the Gata eag

24、er to see their electricity bills now?A.They want to cut down their utility expenses.B.They want to know if they are able to pay.C.They want to see how much they have saved.D.They want to avoid being overcharged.9.What is special about the ZEH communities?A.They are built in harmony with the environ

25、ment.B.They have created cutting edge technologies.C.They are subdivided into half a dozen sections.D.They aim to be independent in power supply.10.What does the net metering practice mean to the power company?A.More pressure at peak timeB.Reduced operational costs.C.Increased electricity output.D.L

26、ess profits in the short term.11.The author believes that buying a house in a ZEH community _.A.is a worthy investment in the long runB.is but a dream for average consumersC.gives the owner great tax benefitsD.contributes toenvironmental protectionDDengue is a very painful illness spread by mosquito

27、es.In severe cases,dengue can even be deadly.Dengue isa serious disease affecting people in around 120 countries.It can cause high fevers,headaches,and severe pain.Its caused by a virus spread by bites from mosquitoes.Therefore,dengue is more common in warm areas.Everyyear,roughly 390 million people

28、 get dengue,and as many as 25,000 die from it.Now scientists seem to have found a way to protect humans from dengue by first protecting mosquitoes.Dengue fever is caused by a virus.Though it may seem strange to think of it this way,the mosquitoes that spreadthe dengue virus are also infected with it

29、.But the virus doesnt seem to hurt the mosquitoes.Wolbachia is a kind of bacteria commonly found in many insects.In some insects,Wolbachia can keep someviruses fromduplicatingthemselves,which is how viruses grow inside a body.Wolbachia isnt naturally found inmosquitoes.But by infecting these mosquit

30、oes with Wolbachia,scientists can keep the mosquitoes from catchingthe dengue virus.Even better,the young mosquitoes coming from the eggs of the infected mosquitoes also carryWolbachia.Researchers working with the World Mosquito Program(WMP)ran a 27-month study in Yogyakarta,Indonesia.They split a 1

31、0-square-mile area up into 24 smaller areas.In half of the areas,the scientists did nothing.In the other half,they set out containers of eggs from mosquitoes that had Wolbachia.They did this every twoweeks for just 4 to 6 months.Ten months later,80%of the mosquitoes in the treated areas carried Wolb

32、achia.The researchers report thenumber of dengue cases in the treated areas was reduced by 77%and that the number of people needing hospitalcare for dengue dropped by 86%.Because the results of the experiment were so good,the WHO has placed Wolbachia-infected mosquito eggsin all parts of Yogyakarta

33、and surrounding areas.The WHO says that within a year,their efforts will protect 2.5million people against dengue and that their efforts will be turned into a program that can be repeated worldwide.12.What kind of disease is dengue?A.It is likely to cause death.B.It causes no pain but fevers.C.It ha

34、ppens less often in hot areas.D.It hurts both people and mosquitoes.13.The underlined word“duplicating”in paragraph 3 most probably means“_”.A.worsening the harm ofB.expanding the size ofC.increasing forces ofD.making copies of14.What can be inferred about the method from the figures listed in parag

35、raph 5?A.Its wide use.B.Its effectiveness.C.Its complexity.D.Its easyoperation.15.Whats the WHOs attitude towards the method?A.Ambiguous.B.Positive.C.Tolerant.D.Skeptical.第二节（共第二节（共 5 5 小题；每小题小题；每小题 2 2 分，满分分，满分 1 10 0 分）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The human brains memory declines wit

36、h age.Persisten(持久的)stress and unhealthy lifestyles can also leadto an early decline in your memory.Here are some ways to improve your memory.Sharpen your brain with mnemonic（记忆的）devices_16_And according to recent studies,they can help improve your brain.This is because it essentially actslike brain

37、 training and forces it to work and produce new cognitive(认知的)network connections.So go on aheadand adapt mnemonic practices whenever possible.Exercise regularlyWe mean physical exercise.A research finds leading a sedentary(久坐的)lifestyle can also lead to memoryloss._17_Its healthy for both your mind

38、 and your body.Play video gamesGet on that controller and spend a couple of hours playing your favorite video game.Its good for your mind,according to a recent study that showed how these pastimes can help improve the functioning of variousmemory-associated regions in the brain._18_Eat vegetables_19

39、_Various research papers state that vegetables can help lower oxidative（氧化的)stress in your brainas well as help keep healthy cognitive functions.Reduce stress levelsThe research shows intense and persistent stress,especially at high levels,can easily harm our memory anddestroy our cognitive skills._

40、20_You can do this by thinking,taking a walk to reduce your stress.A.Therefore,dont sit for a long time.B.So slow down,and ease yourself into doing something.C.But dont play for a long time,because too much can be bad for you.D.So put on your shoes,go outside and start working up a good sweat.E.Vege

41、tables and fruits are beneficial for our body,physically and mentally.F.Its well-known that eating vegetables can help keep your body healthy,including your brain.G.Mnemonic devices are techniques a personcan use to help them remember information better.第二部分第二部分语言运用（共两节，满分语言运用（共两节，满分4545 分）分）第一节（共第一

42、节（共 2020 小题；每小题小题；每小题 1.51.5 分，满分分，满分 3030 分）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High school students have a lot more power than they may realize.Belscher_21_a dollar on the floor when having his English class.When the school day_22_,Belscher walked back to the classroom.He could easily have_2

43、3_it,for the wrinkled(皱巴巴的)bill wasstill there._24_,he brought the old bill to his English teacher,Mattison.Mattison was a little_25_hed turned;in the dollar,knowing a lot of people would have just kept it.She_26_that Belscher tape(d)it to the whiteboard,where she always puts_27_things.A day or two

44、later,the school shut down for Easter_28_.Neither the teacher nor her student thoughttwice about the dollar.After school,a boy named Tom spotted the dollar on the whiteboard.“There wasa_29_to it.”Tom says.He asked Mattison why it was there.She replied,“I dont know.”ThenTom_30_a second dollar.The_31_

45、of the two dollar bills side by side triggered(触发)something in Mattisons students.Theystarted asking about the_32_of the money,to which Mattison always gave the_33_answer:She didnt know.However,thestudents,amongthemselves,decidedandunderstoodMattisonhadsomegood_34_final plan and goal.So,they wanted

46、to be part of whatever this was.They_35_theirsavings and the amount continue to grow.As for the_36_dollar,the person who lost it never camelooking.That left Mattison to make the best decision.She thought of her brother-in-law,Jack Hains,who had died ofALS,a_37_and deadly disease.His sister died of t

47、he same_38_.Mattison asked the teenswhether they_39_if they donated(捐赠)the money.Their answer was that they definitely didnt.Then,they_40_peeled(剥开)the cash off the board and made the donation to the ALS Institute established tofind a cure for the disease.21.A.hidB.lostC.noticedD.dropped22.A.started

48、B.endedC.arrivedD.passed23.A.discoveredB.ignoredC.pocketedD.accepted24.A.ThereforeB.BesidesC.InsteadD.Meanwhile25.A.excitedB.surprisedC.frightenedD.interested26.A.realizedB.commandedC.recognizedD.suggested27.A.lostB.requiredC.selectedD.damaged28.A.breakB.dinnerC.meetingD.activity29.A.signalB.respons

49、eC.keyD.mystery30.A.earnedB.tapedC.missedD.recovered31.A.sightB.discussionC.ideaD.story32.A.ownerB.totalC.powerD.purpose33.A.sameB.briefC.secureD.different34.A.unknownB.unchangedC.unspokenD.unexplored35.A.added toB.broke upC.watched overD.dug into36.A.formerB.importantC.valuableD.old37.A.bornB.rareC

50、.commonD.mild38.A.operationB.treatmentC.accidentD.condition39.A.wonderedB.mindedC.agreedD.regretted40.A.sadlyB.calmlyC.carefullyD.skillfully第二节（共第二节（共 1 10 0 小题；每小题小题；每小题 1.51.5 分，满分分，满分 1515 分）分）阅读下面短文，在空白处填入1 个适当的单词或括号内单词的正确形式Researchers in China_41._(show)an ancient skull to the world recently.Th