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1、2021 届广州市育才中学初中部高三英语下学期期中试题及参考答案 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 Best language learning apps Duolingo The app doesnt restrict how many languages you can try to learn at the same time.I use Duolingo to practice Spanish and German.In the app,you can
2、access resources such as Duolingo Stories,which can allow you to check your comprehension skills as you go.I also subscribe to Premium for$10 per month which includes an ad-free experience and downloadable lessons.Memrise One of my favorite parts of Memrise is its short videos about how real locals
3、express different phrases in conversation.A few lessons are available for free daily,but the full program is accessible if you subscribe to Memrise Pro.There are three plansone month for$9,a year for$30 or three months for$19.Busuu When you sign up for Busuu,you select the language you want to learn
4、,and the app helps you determine how advanced you are with it and why you want to learn it,and to what level.From there,you set a daily study goal.Premium costs about$6 per month for a year.Lirica If you listen to any song enough,youll learn all the words through repetition,even if theyre in a diffe
5、rent language.But how do you figure out what they mean?This is where Lirica comes in.This app is unique in how it approaches teaching Spanish.Instead of traditional teaching methods for learning a language,Lirica uses popular music by Latin artists to help you learn the Spanish language and grammar.
6、Lirica has a one-week free trial and then its about$4 per month.1.Which app is best for learning multiple languages at a time?A.Lirica.B.Busuu.C.Memrise.D.Duolingo.2.How much should you pay for a quarterly subscription to Memrise Pro?A.$9.B.$19.C.$28.D.$30.3.What is special about Lirica?A.It offers
7、a one-month free trial.B.It helps users set a daily study goal.C.It hires Latin artists to teach Spanish.D.It enables users to learn Spanish through music.B When you walk with a backpack,do you know how the things inside move from side to side?Now scientists havefigured out how to tap into that move
8、ment to produce electricity.Picture a pendulum(摆锤)fixed to a backpack frame and stabilized with springs on either side.The packs weight is attached to the pendulum,so the pendulum swings side to side as you walk.Then a machine is driven by that swinging movement,and spits out electrical current to c
9、harge a battery.Volunteers carried the pack while walking on a running machine and wore masks to measure the flow of O2and CO2.Walking with the slightly swinging 20-pound load,the device(设备)did not significantly affect the volunteers metabolic(新陈代谢的)rate compared to when they carried the same weight
10、 fixed in place.In fact,the energy-harvesting pack reduced the forces of acceleration theyd feel in a regular pack,which might mean greater comfort for a long hike.And the device did produce a steady trickle(涓流)of electricity.If you up the load to 45 pounds,the swing of the pack could fully charge a
11、 smart phone only after 12 hours.The details are in the journal Royal Society Open Science.The device produces electricity from human movement and has been identified as a workable solution to providing a renewable energy source for portable electronic devices.It is particularly useful for those who
12、 work in remote areas,as these people often carry a lot of weight in a backpack for their exploration.But heres a realconundrum:the energy-harvesting device currently weighs five pounds.The researchers say thats about four pounds too many to be a smart alternative to batteries.So they hope that more
13、 research lets them lighten the load,to ensure the pack charges you up without weighing you down.4.What does Paragraph 2 mainly talk about?A.How the device works.B.What the device looks like.C.Who the device is designed for.D.Why scientists designed the device.5.Which of the following describes the
14、device?A.It greatly affected the volunteers metabolic rate.B.It harvested energy as the volunteers walk.C.It failed to produce steady electricity.D.It was useless for a long walk.6.What does the underlined word“conundrum”in the last paragraph mean?A.Problem.B.Method.C.Bond.D.Decision.7.What will the
15、 researchers try to do next?A.Increase the charging speed of their device.B.Find smarter alternatives to batteries.C.Reduce the weight of their device.D.Put their device on the market.C Larry was on another of his underwater expeditions(探险)but this time,it was different.He decided to take his daught
16、er along with him.She was only ten years old.This would be her first trip with her father on what he had always been famous for.Larry first began diving when he was his daughters age.Similarly,his father had taken him along on one of his expeditions.Since then,he had never looked back.Larry started
17、out by renting diving suits from the small diving shop just along the shore.He had hated them.They were either too big or too small.Then,there was the instructor.He gave him a short lesson before allowing him into the water with his father.He had made an exception.Larry would never have been able to
18、 go down without at least five hours of theory and another similar number of hours on practical lessons with a guide.Children of his age were not even allowed to dive.After the first expedition,Larrys later diving adventures only got better and better.There was never a dull moment.In his black and b
19、lue suit and with an oxygen tank fastened on his back,Larry dived from boats into the middle of the ocean.Dangerous areas did not prevent him from continuing his search.Sometimes,he was limited to a cage underwater but that did not bother him.At least,he was still able to take photographs of the und
20、erwater creatures.Larrys first expedition without his father was in the Cayman Islands.There were numerous diving spots in the area and Larry was determined to visit all of them.Fortunately for him,a man offered to take him around the different spots for free.Larry didnt even know what the time was,
21、how many spots he dived into or how many photographs he had taken.The diving spots afforded such a wide range of fish and sea creatures that Larry saw more than thirty varieties of creatures.Larry looked at his daughter.She looked as excited as he had been when he was her age.He hoped she would be a
22、ble to continue the family tradition.Already,she looked like she was much braver than had been then.This was the key to a successful underwater expedition.8.In what way was this expedition different for Larry?A.His daughter had grown up.B.He had become a famous diver.C.His father would dive with him
23、.D.His daughter would dive with him.9.What can be inferred from Paragraph 2?A.Larry had some special right.B.Larry liked the rented diving suits.C.Divers had to buy diving equipment.D.Ten-year-old children were permitted to dive.10.What can be learned from the underlined sentence?A.Larry didnt wear
24、a watch.B.Larry was not good at math.C.Larry had a poor memory.D.Larry enjoyed the adventure.11.What did Larry expect his daughter to do?A.Become a successful diver.B.Make a good diving guide.C.Take a lot of photo underwater.D.Have longer hours of training.D A study has found that a lifetime of regu
25、lar exercise and activity can slow down the aging process(衰老过程).Researchers say that getting older should not necessarily mean becoming more weak or sick.Their research shows that a devotion to a life of movement and exercise may help us live not only longer,but also healthier.For their study,the re
26、searchers looked at two groups.The first group was made up of 125 non-professional cyclists between the ages of 55 to 79.This group included 84 healthy men and 41 healthy women.We will call this group the“cyclists”.Researchers then found 130 people to make up a second group.Within this group,75 peop
27、le were aged from 57 to 80.The other 55 were between the ages of 20 and 36.The people in this group were also healthy,but they did not exercise regularly.We will call this group the“non-exercisers”.Smokers,heavy drinkers of alcohol and people with other health issues were not included in the study.T
28、hen,researchers gave both groups a series of tests.They tested their muscle mass(肌肉质量),muscular strength,percentage of body fat and the strength of their immune(免疫的)systems.Then the researchers compared the results of the two groups.Results showed that the cyclists did not experience body changes us
29、ually regarded as a normal aging process.For example,they did not lose muscle mass or muscular strength.Also,their body fat did not increase with age.The researchers also found something they had not expected.The study showed that the immune systems of the cyclists did not age either.The researchers
30、 advise us all to find an exercise that we like in our lives.12.How did the researchers carry out the study?A.By comparing.B.By discussing.C.By imagining.D.By reasoning.13.Which of the following is a result of the research?A.The cyclists kept a thin body shape.B.The non-exercisers gained weight easi
31、ly.C.The cyclists muscles remained strong with age.D.The non-exercisers usually had health problems.14.Which is an unexpected result for the researchers?A.The cyclists had normal aging process.B.The cyclists immune systems didnt age.C.The cyclists lost nearly all their fat.D.Everyone needed an exerc
32、ise in their lives.15.Which of the following can be the best title for the text?A.Healthy People Need More Exercise B.Take an Exercise,the Harder,the Better C.Cycling Is the Best Way to Prevent Aging D.A Lifetime of Exercise Slows Aging Process 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
33、项。选项中有两项为多余选项 How to Strengthen Teeth Naturally _16_You can work on strengthening your teeth by getting the right vitamins and minerals in your diet.You can also protect your teeth through healthy habits.In addition,avoiding certain foods and habits can help strengthen your teeth.Get the right nutri
34、ents（营养）Make sure youre getting 1,000 to 1,200 mg of calcium（钙）a day.You probably know calcium helps keep your bones strong._17_Eating certain amount of calcium in your diet every day will help increase the strength of your teeth._18_ Aim to eat a wide variety of fruits and vegetables in your weekly
35、 diet.Try selecting a variety of color1 s when choosing your produce as that ensures youll be getting a wide variety of vitamins.Fill your plate up halfway with fruits and vegetables at every meal and then fill the rest of your plate with some protein and whole grains.Brush your teeth twice a day To
36、 brush well,hold your toothbrush at a45C angle to your teeth.Brush all the surfaces of your teeth gently and try to brush for at least 2 minutes._19_ Visit your dentist regularly Visit your dentist at least once a year for x-rays and cleaning._20_If you start to get a buildup of plaque（牙菌斑），which ca
37、n weaken teeth,the dentist can remove it for you in time.Quit smoking You probably are aware that smoking causes lung cancer and other health problems.In addition,it can also weaken bone tissue,including your teeth.If youve been thinking about quitting,now may be the time.A.Eat a balanced diet B.Hav
38、e a variety of vegetables C.The same is true for your teeth.D.Set a timer to help you brush longer!E.Strong teeth are important for a healthy mouth!F.These visits help find problems before they begin.G.Vitamin D helps your body absorb calcium properly.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 3
39、0 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 I first heard about several cases of coronavirus in January,2020.But I did not_21_the outbreak to have such a sudden and powerful effect on the rest of the world.In March,towards the end of winter quarter,it was_22_that we would take all the finals onlin
40、e.It was unexpected,and all university teachers and students were_23_.Due to the coronavirus pandemic,our University of California at San Diego（UCSD）student-run free dental clinics are closed_24_,and most research laboratories are only open for_25_personnel.Thus,I have had a lot more spare time than
41、 before,_26_most of the events have been switched to be held online.To_27_time,I learned to follow_28_to make different dishes.The period of quarantine（隔离）has become a time when I can learn some new life_29_.Besides cooking,I have been_30_a new hobbyplaying puzzles.At first,solving a puzzle was just
42、a way for me to_31_endurance（忍耐性）and patience.Then I realized that I learned much more than that.When I_32_1,000 pieces of a puzzle on the table,I_33_not buying a simpler one.I suddenly realized how impatient I was that I couldnt even focus on such a simpler task.Electronic devices have been trainin
43、g me to constantly stare at a blinking（闪烁）screen and_34_what I was doing.I decided to solve a puzzle while_35_devices for several hours,and enjoy one simple task like a little child.When I started to look for different pieces to see if they could fit in a larger_36_,I started to look for shortcuts.I
44、 tried to collect puzzles with similar patterns or color1 s and_37_their edges.During this time,I slowly forgot all the madness and_38_of quarantine life.Every time I got one piece in the right place,I was_39_awarded by such a small success and motivated to keep on trying.It was surprising and unexp
45、ected for me to receive so much_40_from focusing on solving puzzles.21.A.encourage B.expect C.require D.remind 22.A.announced B.promised C.hoped D.discovered 23.A.unhappy B.unfortunate C.uninterested D.unprepared 24.A.occasionally B.formally C.temporarily D.gradually 25.A.devoted B.eager C.excellent
46、 D.limited 26.A.unless B.before C.since D.though 27.A.treasure B.kill C.waste D.save 28.A.schedules B.orders C.targets D.recipes 29.A.secrets B.tracks C.skills D.lessons 30.A.exploring B.spreading C.reviewing D.doubting 31.A.support B.practise C.recommend D.appreciate 32.A.broke up B.handed in C.pou
47、red out D.put away 33.A.imagined B.permitted C.advised D.regretted 34.A.forget B.guess C.remember D.emphasize 35.A.putting up with B.staying away from C.watching out for D.taking control of 36.A.basket B.poster C.picture D.board 37.A.touch B.remove C.draw D.compare 38.A.danger B.boredom C.excitement
48、 D.amazement 39.A.mentally B.physically C.strangely D.passively 40.A.trouble B.joyfulness C.responsibility D.praise 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的正确形式 One act of kindness is leading to another.And as kindness_41._(pass)to another,new friendships are forming and existing
49、ones are strengthening.My elderly neighbor called my daughter and me_42._(pick)fruits from her tree as the fruits were high and it was required to step on a huge ladder to get them.After an hour spent_43._(chat)and picking the fruits,she treated us to a glass of fruit juice._44._addition,she gave us
50、 plenty of fruits to hand out to_45._(we)friends.I then gave them to three other senior friends of mine.One of them gave me a hot tomato soup.I tasted it.It was so delicious_46._I couldnt help asking her about it.She told me that her mom and grandma were both top_47._(cook)and she learned it from th