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1、2021 届昆明市安宁中学高三英语期末考试试卷及答案解析 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 Artificial intelligence(Al)is practically everywhere today.There are so many products out there which use Al.Some are being developed,some are already in use,and some failed and are being
2、 improved,so its very difficult to name a few of them and regard them as the best.Vi It is an Al personal trainer which is mainly concerned with fitness and coaching.It,however,requires the use of bio-sensing earphones and other fitness tracking equipment!It can play your favourite music while you w
3、ork out and all you have to worry about is the exercise youre doing.Deep Text Do you ever wonder how an ad appears suddenly just when you are looking for something similar?This is because of Deep Text.It uses real-time consumer information to produce data which in turn is used to target consumers.Th
4、us,if you search online for flight tickets fromBangaloretoDelhi,it is very likely that an ad relating to hotels inDelhiwill soon follow.Hello Egg If you live alone and miss your mother because you always miss your breakfast or dont know what to eat for dinner,then Hello Egg is exactly what you are l
5、ooking for.A very healthy choice of the 2-minute noodles and oats,Hello Egg provides you with a detailed weekly meal plan about the needs of your body.It is truly a modern AI-powered home cooking tool for the young.Wordsmith You can put Mr.Smith into your Microsoft Excel using their free API,and let
6、 it write up detailed analysis of the stories behind your numbers.It can produce detailed reports on thousands of pages of spreadsheets in seconds.1.What can we learn about Vi from the text?A.It is an AI music player.B.It is a bio-sensing earphone.C.It doesnt work without bio-sensing earphones.D.It
7、can make you more energetic while you work out.2.Which can help you improve cooking skill?A.Deep Text.B.Vi.C.Wordsmith.D.Hello Egg.3.What can Wordsmith do for us?A.Produce a detailed report.B.Provide us with a detailed meal plan.C.Book a ticket ahead of time.D.Offer us information on hotels for trav
8、eling.B Most children who have suffered from ADHD still have it as teens.During teen years,especially as the hormonal changes of teenagers are going on and the demands of school and extra-curricular activities are increasing,ADHD may get worse.Because of problems with getting unfocused and poor conc
9、entration,many teens with ADHD have problems in school.Grades may fall,especially if the teen is not getting ADHD treatment.Its not uncommon for teens with ADHD to forget their homework,lose textbooks,and become bored with their daily class work.Teens may become inattentive or extremely attentive,no
10、t waiting for their turn before blurting out answers.They may cut in on their teacher and classmates.Teens with ADHD may also befidgetyand find it hard to sit still in class.Often,teens with ADHD are so busy focusing on other things that they forget about the task at hand.This can be seen especially
11、 with homework and athletic skills and in relationships with their schoolmates.This lack of attention to what theyre doing often leads to bad grades on tests and being passed over for sports teams,after-school activities,and learning teams.Kids with ADHD can be targets for bullying,too.But,not all c
12、hildren with ADHD have trouble getting along with others.If your child does,you can take measures to help improve their social skills and relationships.ADHD affects all parts of a teenagers life.As a parent you should discover your teens troubles as early as possible.The earlier your childs troubles
13、 are discovered,the more successful the following steps can be.4.What does the author plan to do in paragraph 1?A.To list the types of ADHD.B.To introduce the main topic.C.To show the authors opinion.D.To explain the causes of ADHD.5.What does the underlined word“fidgety”probably mean in paragraph 2
14、?A.Clever.B.Noisy.C.Restless.D.Lazy.6.What is the text mainly about?A.Ways to deal with ADHD.B.Effects of ADHD on teens.C.Teens school performances.D.Demands of school work.7.What may the following paragraph talk about?A.How parents can help a teen with ADHD.B.The importance of healthy peer relation
15、ships.C.How many children are suffering from ADHD.D.Different opinions about treating ADHD in teens.C Honeybees cant swim,and when their wings are wet,they cant fly,either.But Chris Roh and other researchers at the California Institute of Technology found that when bees drop into bodies of water,the
16、y can use their wings toproduce little waves and slide toward land-like surfers who create and then ride their own waves.As with many scientific advances-IsaacNewtons apple or Benjamin Franklins lightning bolt-Dr.Rohs experiment began with a walk.Passing Caltechs Millikan Pond in 2016,he observed a
17、bee on the waters surface producing waves.He wondered how an insect known for flight could push itself through water.Dr.Roh and his co-worker,Morteza Gharib,used butterfly nets to collect localPasadenahoneybees and observed their surf-like movements.The researchers used a wire to restrict each bees
18、bodily movement,allowing close examination of their wings.They found that the bee bends its wings at a 30-degree angle,pulling up water and producing a forward force.Bees get trapped on the surface because water is roughly three times heavier than air.But that weight helps to push the bee forward wh
19、en its wings move quickly up and down.Its a tough exercise for the bees,which the researchers guess could handle about 10 minutes of the activity.The researchers said the surf-like movement hasnt been documented in other insects and most semiaquatic insects use their legs forpropulsion,which is know
20、n as water-walking.It may have evolved in bees,they-predicted.Dr.Roh and Dr.Gharib have imagined many practical applications for bees surfing.One plan is to use their observations to design robots able to travel across sky and sea.“This could be useful for search and rescues,or for getting samples o
21、f the surface of the ocean,if you cant send a boat or helicopter,”Dr.Gharib said.8.What does the author intend to show by mentioningNewtonandFranklin?A.Rohs admiration for them.B.Rohs chance discovery about bees.C.Their outstanding talent for science.D.Their similar achievements in discovery.9.What
22、plays the most vital role in a bees moving forward on water?A.The air weight.B.Its leg extension.C.The water movement.D.Its continuous wingbeat.10.What does the underlined word“propulsion”in Paragraph 4 mean?A.Fast flight B.Driving force.C.Pulling speed.D.Explosive power.11.What does the text mainly
23、 tell us?A.Honeybees can surf to safety.B.Bees help scientists make inventions.C.Insects can adapt to the environment.D.Nature is a helpful guide for discovery.D Remember when your mom told you not to eat too many candy bars or sweets because they can cause tooth decay(蛀牙)?However,it turns out that
24、chocolate can be moresalutaryto your teeth than you might expect.Recent studies show that chocolate can effectively fight against tooth decay,as if we need another excuse to eat chocolate.Chocolate offers protection like fluoride,a main ingredient in most household toothpastes.Not only does chocolat
25、e protect our teeth,but it can do so very effectively.Studies show that chocolate has compounds that provide strong protection for teeth.One of the compounds in chocolate,CBH,is shown to protect even more effectively than fluoride.Tooth decay happens when bacteria work to turn sugar into acids in ou
26、r mouth.This is why eating foods with high sugar content can lead to more tooth decay.The compounds in chocolate,however,are anti-bacteria and can fight against bacteria in your mouth.The CBH compound in particular also works to strengthen tooth enamel(牙釉质),andprotects against tooth decay.Does this
27、mean you can cat as much chocolate as you want without worrying about your teeth?It depends on the types of chocolate that you like.The protective effect of chocolate is most effective when you chew on cocoa beans.Of course,this option is not very appealing to;most people.A more tasty option is to c
28、hoose dark chocolate with little sugar content,ideally no more than 6 to 8 grams per serving.For other types of chocolate with higher sugar content,the effect will be lessened.However,because of the protective compounds,it is still better for your teeth than other sweets and desserts containing the
29、same amount of sugar.12.The word“salutary”in paragraph 1 means?A.Beneficial.B.Harmful.C.Familiar.D.Useless.13.What can we know about the compound CBH in chocolate?A.It can help chocolate cure tooth decay.B.It can effectively stop teeth from decaying.C.It may protect teeth better than toothpastes do.
30、D.It may soon replace most household toothpastes.14.How does chocolate fight tooth decay?A.By breaking down acids.B.By building up compounds.C.By fixing up tooth enamel.D.By fighting against bacteria.15.Whats the main idea of the text?A.Chocolate plays the role of toothpaste.B.Chocolate protects aga
31、inst tooth decay.C.Chocolate is the best choice for teeth protection.D.Chocolate is healthier to teeth than other sweets.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 Luck is much more like the wind coming from directions that you didnt even imagine._16_Three things help catch
32、 it.The first thing isto change your relationship with yourself.Take small risks that get you out of your comfort zone.When we are children,we have to do this if we learn how to walk or talk or ride a bike._17_We lock down the sense of who we are and dont develop anymore._18_Everyone who helps you o
33、n your journey is playing a role in reaching your goals.When someone does something for you,theyre taking that time that they could be spending on themselves,and you need to appreciate what theyre doing._19_ And third,you change your relationship with ideas.Most people look at new ideas that come th
34、ere way and judge them.“Thats a great idea.”or“Thats a terrible idea.”_20_And in fact,the seeds of terrible ideas are often something truly remarkable.Luck is a lightning that hits you with something wonderful or something terrible.However,the winds of luck are always there,as long as youre willing
35、to take some risks,to go out to show appreciation and look at ideas.A.So how do you catch the winds of luck?B.I promise you it has increased your luck.C.But actually ideas are neither good or bad.D.The problem is,as we get older,we rarely do this.E.If you show appreciation,you will get an opportunit
36、y.F.The second thing is to change your relationship with others.G.Though theyre crazy,you can build a big sail to catch the winds of luck.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 A doctor entered the hospital in a hurry after being called in for a
37、n urgent surgery(手术).He answered the call as soon as possible,changed his clothes and went_21_to the surgery block.He found the boys_22_pacing inthe hall waiting for the doctor.On seeing him,the father_23_,“Why did you take all this time to come?Dont you know that my sons life is in_24_?Dont you hav
38、e any sense of_25_?”The doctor smiled and said,“I am sorry,I wasnt in the hospital and I came as fast as I could after_26_the call and now,I wish youd_27_down so that I can do my work.”“Calm down?_28_your son was in this room right now,would you calm down?If your own son died while_29_for doctor,wha
39、t would you do?”said the father angrily.The doctor_30_again and replied,“We will do our best by Gods grace and you should also_31_for your sons healthy life.”“Giving advice when were not concerned is so_32_,”murmured the father.The surgery took some hours after which the doctor went out and said hap
40、pily,“Thank goodness!Your son is_33_!”And without waiting for the fathers_34_,he carried on his way running,“If you have any questions,ask the nurse.”“Why is he so_35_?Couldnt he wait a few minutes_36_I could ask about my sons state?”commented the father when seeing the nurse minutes after the docto
41、r_37_.The nurse answered,tears coming down her face,“His son_38_yesterday in a road accident,he was in the funeral(葬礼)when we called him for your sons operation.And now that he saved your sons life,he left to finish his sons funeral.”Never_39_anyone because you never know how their life is and what
42、theyre _40_ 21.A.happily B.directly C.quietly D.slowly 22.A.father B.teacher C.uncle D.friend 23.A.greeted B.shouted C.talked D.thought 24.A.place B.charge C.control D.danger 25.A.shame B.direction C.responsibility D.achievement 26.A.receiving B.finding C.making D.hearing 27.A.sit B.get C.calm D.set
43、tle 28.A.What about B.What if C.If only D.How come 29.A.searching B.looking C.waiting D.sending 30.A.smiled B.frowned C.nodded D.apologized 31.A.thank B.work C.pray D.come 32.A.useful B.funny C.hard D.easy 33.A.gone B.saved C.recovered D.found 34.A.reply B.idea C.advice D.appearance 35.A.nervous B.p
44、atient C.tired D.impolite 36.A.so that B.as long as C.even if D.ever since 37.A.left B.arrived C.returned D.delayed 38.A.crashed B.fought C.died D.injured 39.A.ignore B.judge C.explain D.believe 40.A.doing B.loading C.experiencing D.reducing 第二节（共 10 小题；每小题 1.5 分，满分 15 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
45、的正确形式 A man once had four sons_41._never stopped quarrelling with one another.He was always telling them how much_42._（easy）life would be if they worked together but they took ly no notice of him.One day he decided_43._（show）them the message.He called all the sons together and put a_44._（tight）tied
46、bundle of sticks on the floor in front of them.“Can you break that?”he asked a son._45._boy put his knee on the bundle（捆）Although he pressed and pulled with his arms he could not bend the wood.The father asked each son in turn to try to break the bundle,_46._none of them could do it.Then he untied t
47、he string and scattered（分散）the sticks.“Now try,”he said to the young_47._（man）.The sticks in their hands_48._（break）easily.“Do you get what I_49._（mean）just now?”asked the father.“If only you stand together no one can hurt you.If you all disagree the whole time and insist_50._going your separate way
48、s,the first enemy you meet will be able to destroy you.”第四部分 写作（共两节，满分 40 分）第一节短文改错（满分 10 分）51.假定英语课上老师要求同桌之间交换修改作文，请你修改你同桌写的以下作文。作文中共有 10 处语言错误,每句中最多有两处。每处错误仅涉及一个单词的增加、删除或修改。增加：在缺词处加一个漏字符号（）并在其下面写出该加的词。删除：把多余的词用斜线（）划掉 修改：在错的词下划一横线，并在该词下面写出修改后的词。注意：1.每处错误及其修改均仅限一词；只允许修改 10 处，多者（从第 11 处起）不计分。You aske
49、d many question in your last letter,and now let me answer them.To start with,Beijing,the capital of China,is very attractive city with a long history.You can found all kinds of delicious food in Beijing,of that the most famous is the roast Beijing duck.I hope we will enjoy it.Besides,there is a grea
50、t number of tourist attractions worth visiting,such as the Great Wall,the Summer Palace or the Forbidden City.These scenic spots have attracted millions of tourists in this year.I promise you will have a wonderfully time here in Beijing.Im looking forward to hear from you as soon as possible.第二节书面表达