2020届成都市棕北中学高三英语下学期期末考试试题及答案.pdf

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1、20202020 届成都市棕北中学高三英语下学期期末考试试题及答案届成都市棕北中学高三英语下学期期末考试试题及答案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 AIf you are sending a text message watching TV or listening to the radio,you may stop and give this your fullattention.Mu

2、ltitasking shrinks(使.萎缩)the brain?research suggests.A study found that men and womenwho frequently used several types of technology at the same time hadless grey matter in a key part of the brain.University of Sussex researchers said,Using mobile phones,laptopsand other media devicessimultaneouslyco

3、uld be changing the structure of our brains.Worryingly,the part of the brain that shrinks is involved in processing emotion.The finding follows researchwhich has linked multitasking with a shortened attention span,depression,anxiety and lower grades at school.The researchers began by asking 75 healt

4、hy men and women how often they divided their attention betweendifferent types of technology.This could mean sending a text message while listening to music and checking e-mail,or speaking on the phone while watching TV and surfing the Internet.The volunteers were then given brain scanswhich showed

5、they had less grey matter in a region called the anterior cingu-late cortex(ACC)(前扣带皮层).Scientists have proved that brain structure can be changed on exposure to fresh environments and experience.Other studies have shown that trainingsuch as learning to play magic tricks or taxi drivers learning the

6、 mapof Londoncan increase grey matter densities(密度)in certain parts.Experts have also warned of the harmful impact technology can have on our memory and attention span.TheUniversity of California team conducted a survey of more than 18,000 people aged between 18 and 99，and found20%had problems with

7、memory.Researchers were shocked greatly by the 14%of 18 to 39-year-old people whoalso worried about their memories.Multitasking may shorten attention span,making it harder to focus and form memories,the researchers said,adding that youngsters may be particularly affected by stress.1.The underlined w

8、ord simultaneously in Paragraph 2 means _，A.on ones ownB.at no timeC.at the same timeD.by accident2.All of the following are possible effects of multitasking EXCEPT_.A.saving timeB.a shortened attention spanC.lower grades at schoolD.depression and anxiety3.Which ofthe following can be the best title

9、 of this passage?A.Media multitasking is becoming more popularB.Multitasking shrinks the brainC.Multitasking may shorten attention spanD.People are worried about their memories.BStarting at university or college can be a big challenge,especially if youre living away from home for the firsttime.You a

10、refaced with big questions such as,“Whos going to do my washing?”“Whos going to tidy my room?”And,most importantly,“How am I going to eat?”Yes,living on your own means cooking for yourself,and whenyoure living a student lifestyle,this could be a recipe for disaster.Students,in the UK at least,often

11、rely on generally available food such as baked beans or cheese on toast.And for the more adventurous,theres“spag bol”spaghetti bolognaise(肉酱意粉),that is,cooked spaghettiserved with a ground beef and tomato sauce a budget-friendly solution.If you make a huge pan of it,it canprobably last you a whole w

12、eek!Other low-cost options include jar sauces and oven pizzas.Recently,a British supermarket suggested that rose harissa paste,organic cider vinegar and Swiss bouillonpowder were the important food materials needed for the“student cupboard”.But are these items consideredessential and affordable for

13、someone on a budget?As a matter of fact,living on a budget is certainly one barrier to eating a well-balanced diet.Whats more,some young people dont know much about cooking,and for many young students,there are more fun things togo and do than just stay inside and cook.Thats where takeaways and micr

14、owave meals come in.What should a health-conscious student really have in his or her food cupboard?Jack Monroe,a food writerand campaigner,has words to say:baked beans,lemon juice,canned tomatoes and tomato ketchup,described as“salt,sugar,vinegar and tomato all in one handy squeezy bottle”.And shoul

15、d that not appeal,you can always waittill your next visit to your mum and dad for a square meal!4.What does the author indicate by“this could be a recipe for disaster”?A.Cooking is difficult for a student.B.Students must cook if they live alone.C.It is important to live independently.D.Learning to c

16、ook will cause disasters.5.What is the feature of“spag bol”?A.It is delicious.B.It is healthy.C.It saves money.D.It needs littleskill.6.What is paragraph 4 mainly about?A.How well-balanced diets can be realized.B.How students can eat healthily with limited money.C.Why living on a budget is common am

17、ong students.D Why students choose takeaways and microwave meals.7.Why does the author write the last paragraph?A.To advocate visiting parents.B.To offer some tips.C.To promote health consciousness.D.To introduce a writer.CTexas has been one of the most restrictive gun-rights states in America.Thank

18、s to a new law,however,the statewill be one of the most relaxed,to the degree that police are discouraged from even asking about someones guns.And if they do,they may not have much power to do anything if the person refuses to show a license.To be sure,the law is strict in its own way,offering a mod

19、el for regulation.Under the law,open-carry citizenshave to be licensed,a process that includes safety and shooting tests.They also have to show no priorpsychological problems,and they have to be at least 21 years old.It is true that gun violence dropped sharply after restrictive laws were put in pla

20、ce in countries like GreatBritain and Australia.However,the US public seems more interested than ever in weapons and the power theyconvey,despite gun control groups concern over the increase of violence.Most states in America have steadilyexpanded gun rights since the end of a 10-year assault(攻击)wea

21、pons ban in 2004.Black Friday this year saw thebiggest gun cache(贮存)ever purchased in one day.Considering those trends,theres a heated debate about whether the new Texas law is a model piece oflegislation(立法)for a changing America,or a walking disaster just begging for trouble.As the law doesnt prov

22、ideany punishment for those who refuse to show a license to a police officer,critics fear that officers may find ittough to handle potentially deadly situations.After all,armed citizens will no longer be considered suspicious,even though a lot of people might be alarmed by the sight.Most police in T

23、exas have been told to not engage guncarriers unless they are doing something questionable or appear drunk.For sure,New Years Day will be an exciting one for Texas gun owners.Whats not yet known is how the rest ofTexas will respond.8.All of the following are required in the new Texas law for open ca

24、rry EXCEPTA.age limitB.mental conditionC.online registrationD.gun-operating skills9.What is mainly talked about in Paragraph 3?A.The reason for putting forward the new Texas law.B.The present situation of gun possession in America.C.The impact of the assault weapons ban in 2004.D.The inaction of the

25、 US government as to gun control.10.What do critics think the new Texas law will probably lead to?A.Heavier workload for policemen.B.Disrespect for officers.C.Lack of trust among citizens.D.Difficulty in crime prevention.11.What is the authors attitude towards the new Texas law?A.Negative.B.Cautious

26、.C.Indifferent.D.Approving.DResearchers say spicy tomatoes could soon be on the menu thanks to the rise of gene-editing technology.Its not the first time that experts have claimed techniques could develop fruit with unusual features:scientists have already been looking at changing the color1 of kiwi

27、 fruit and bettering the taste of strawberries.But researchers inBrazilandIrelandsay such methods could also offer practical advantages,with hot tomatoesoffering a new way of harvesting the pungent chemicals found in peppers known as capsaicinoids,which makefood taste“hot”.“Capsaicinoids are valuabl

28、e.They are used as painkillers and there are some researches showing that theypromote weight loss,”said Agustin Zsogon from a Brazilian university,a co-author of a new article arguing for thebenefits of engineering hot tomatoes.Writing in the journal Trends in Plant Science,the researchers say peppe

29、rs are difficult crops to grow and lowproductive.Worse still,it is tricky to keep the pungency of the fruits table.By contrast,tomato production is highand the plant is well-studied.“You could produce the capsaicinoids in a more cost-effective manner,”said Zsogon.Tomatoes and peppers developed from

30、a common ancestor,but separated about 19 million years ago.“Allthese genes to produce capsaicinoids exist in the tomato,they are just not active,”said Zsogon.“Usinggene-editing technology,it is likely to switch these genes back on in tomatoes,making the fruit more special”,hesaid.12.Why are the toma

31、toes made hot by the researchers?A.To test the gene-editing technologyB.To improve the amount of the tomatoesC.To explore ways to harvest more capsaicinoids.D.To make the tomatoes more delicious.13.For what purpose can capsaicinoids be used according to the text?A.To put on weight.B.To ease the pain

32、.C.To improve sleep.D.To better the look.14.What is Zsogons attitude to the gene-editing technology?A.Confident.B.Critical.C.Anxious.D.Doubtful.15.Whats the main idea of the text?A.An introduction to gene-editing plants.B.Creating hot tomatoes by gene-editing.C.Problems with capsaicinoid production.

33、D.The procedure of producing capsaicinoids.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Finding an outlet for emotionFinland is fertile(肥沃的)ground for heavy metal music.For every 100,000 people,there are 70 metal bands,according to Medium.Heavy metals

34、characteristic aggression and loudness attack listeners with brute(粗暴的)force._16_The cold and sometimes severe climate has contributed to the populations interest in heavier forms of rock.“When someone is surrounded by cold and dark for long periods of time,it is only natural that some form ofdepres

35、sion will start to set in,”the website A Metal State Of Mind noted.“How do many Finns combat thedepression,release the negative energy,and make themselves feel more positive?_17_”According to Medium,most Finnish people are emotionally restrained(克制的).Whatever emotions softor hard they feel,they keep

36、 them inside.“I feel that the emotional introversion(内向性)also has to do with thefact that we often want to keep things private._18_One has to appear strong at all costs,”Ida-KatharinaKiljander,one of the lead singers of the Oulu-based metal band Mournful Lines,told Medium._19_“The reason why heavy m

37、etal might reflect the Finnish mentality is probably because we are so private that itis difficult to discuss our feelings,but still we need an outlet to deal with these negative emotions,”explainedKiljander._20_Those who tend to keep their emotions inside may find themselves drawn to a medium or ge

38、nrethat allows them to do the opposite something that Finland has made loud and clear with its growing numberof heavy metal fans.A.However,heavy metal music offers a way to express these emotions.B.Every year,thousands of“metalheads”gather at Finlands many metal festivals,especially during summer.C.

39、But why does this seemingly extreme form of music thrive in the Nordic country of Finland?D.It has not been socially acceptable to show great emotions,for example anger or sadness.E.Just as the Chinese proverb goes,“Where you live makes you who you are.”F.Emotional introversion is a form of learned

40、behavior in Finland and the roots go back quite far in history.G.There is no one form of music more tailored to the release of the negative more than metal.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There was a

41、lmost no reason for me to sing on my 51st birthday.Being recent“empty nesters”,my husbandand I were doing our best to_21_to the too quiet house.This was a day when I_22_all to gather together.The plan,for my_23_day,was to meet our daughters,Jaime and Katie at a fancy_24_.Our youngest,Katie called to

42、 say she might not be able to_25_the celebration dinner.She hadheavy_26_earlier that day and,with the long ride ahead,she thought it_27_to stay at her own houseand have a good sleep.After all,this was my baby.How could she move so far away from me in the first place?But the reality I hadto_28_was th

43、at she didnt feel the need to_29_me every day.It made me_30_my abilities as amother.I felt tears falling as I_31_what she had just said to me.Maybe she felt the_32_in my voicebecause,on second_33_,she changed her mind.“But”,she warned,“I didnt have time to_34_you agift.”We arrived with Katie already

44、 waiting for us to_35_.After dinner in it,Katie handed me a shoppingbag.As I opened it,the_36_warmth filled my heart again:a mommy sitting in a rocking chair,holdinga_37_in her arms.The all explanations read:_38_never leaves a mothers arms.I got the message loud and_39_,my daughter still loves me th

45、ough she lives far away from me,and_40_much less than Id like.21.A.respondB.adjustC.reactD.contribute22.A.attractedB.assistedC.expectedD.attached23.A.specialB.painfulC.commonD.casual24.A.canteenB.shopC.hotelD.restaurant25.A.missB.holdC.prepareD.attend26.A.weightB.trafficC.workD.rain27.A.simplerB.bet

46、terC.worseD.easier28.A.denyB.stressC.faceD.burden29.A.understandB.teachC.visitD.phone30.A.possessB.doubtC.acknowledgeD.improve31.A.analyzedB.tastedC.repeatedD.memorized32.A.embarrassmentB.confusionC.disappointmentD.excitement33.A.thoughtB.assessmentC.gradeD.sigh34.A.awardB.spareC.buyD.show35.A.stay

47、onB.show upC.set offD.turn away36.A.complicatedB.contradictoryC.academicD.previous37.A.petB.babyC.toyD.book38.A.loveB.mercyC.comfortD.pity39.A.B.entireC.quickD.clear40.A.callsB.compensatesC.emailsD.cares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Many peop

48、le think the novel coronavirus will disappear as the temperature_41._(go)up.However,whether it will or not is still uncertain.Experts have warned that it is unwise to bet on the hotweather_42._(stop)the spread of the virus.An official of the WHO Health Emergencies Program stated that_43._present the

49、re is no clearevidence_44._(suggest)COVID-19 will disappear in the summer.“We still have no idea how the virus willbehave and spread in different climatic_45._(condition),”said the official,warning against the predictionthat the virus would just disappear by_46._(it)in the summertime like other typi

50、cal flu virus.A professor fromHarvardUniversitydisagrees with those_47._believe that changes in weather willmake_48._difference in how the virus spreads.“COVID-19 has now been documented around the world.Ifthe virus is anything like a typical flu virus,it may worsen_49._(great)in Southern Hemisphere