2021届中山市龙山中学高三英语下学期期中试卷及答案解析.pdf

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1、2021 届中山市龙山中学高三英语下学期期中试卷及答案解析 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 Amid the coronavirus outbreak,the U.S.Department of Homeland Security recommends having at least a two-week supply of water and food.Potatoes Shelf life：2 to 5 weeks if stored in a cool,

2、dry,dark place Yukon Gold,red,and fingerling potatoes will last from two to three weeks.Larger white potatoes can last for three to five weeks.Sweet potatoes have about the same shelf life.Dont store them next to onions,however.The two might go together well in cooking,but raw,each gives off gases a

3、nd moisture that might cause the other to spoil faster.Tea Shelf life：6 to 12 months past sell-by date Dried tea leaves,whether loose(in a sealed container)or in teabags(in an unopened box)can easily last a year or more if they re not subjected to damp or humidity.However,the tea does tend to lose f

4、lavor over time.Peanuts Shelf life：1 to 2 months Peanuts in their shell,especially when kept cool and dry,are perfectly happy in the cupboard for as long as two months.Canned fruits and vegetables Shelf life：1 to 2 years past sell-by”date Canningis an extremely efficient means of preserving food.Gen

5、erally speaking,if canned foods arent subjected to extreme heat,their contents should stay good for two years or more.Be aware,however,of dented cans or those with swollen tops,which may indicate the presence of bacteria inside.1.Which can go bad faster if stored with onions?A.Potatoes.B.Tea.C.Peanu

6、ts.D.Canned fruits and vegetables.2.What is special about tea?A.The flavor of tea can always remain the same.B.Tea leaves are better to be preserved in an open jar.C.Tea leaves should be kept away from the state of being wet.D.The maximum length of time that tea can be stored is 6 months.3.What may

7、shorten the sell-by”date of canned foods?A.Shapes of cans.B.Categories of foods.C.Decline of the temperature.D.Exposure to high temperature.B Humans are the only creature that gets around by standing up and putting one foot in front of the other.Our ability to walk upright has allowed humankind to t

8、ravel great distances and survive changing climates,environments and landscapes.Countless scientific studies have found that walking is really good for us and this simple act can provide a number of healthimplications,which help people live longer.In fact,a walking routine,if done properly,might be

9、the only exercise people need.How much walking should one aim for?Youve likely heard we need 10,000 steps a day.Thats about 5 miles.But contrary to popular belief,this recommendation doesnt come from science.Instead,itis from a 1960s advertising campaign to promote a pedometer(计步器)in Japan.Perhaps b

10、ecause its a round number and easy to remember,it stuck.Since the 1960s,researchers have studied the 10,000-steps-a-day standard and have turned up mixed results.Although 10,000 steps is certainly a healthy and worthwhile goal,its not fit for all.For instance,a recent Harvard University study involv

11、ing more than 16,000 senior women found that those who got at least 4,400 steps a day greatly reduced their risk of dying early when compared with less active women.The study also noted that these benefits continued up to 7,500 steps.This 7,500 mark isnt surprising:Its similar to common public healt

12、h recommendations,such as the Centers for Disease Control and Preventions recommendation of 150 minutes of moderate(适度的)physical activity a week for adults.4.What does the underlined word“implications”in Paragraph 2 refer to?A.Benefits B.Problems.C.Habits.D.Manners.5.Where does the 10,000-steps-a-da

13、y standard come from?A.A Harvard University study.B.Science research on health.C.A pedometer advertisement.D.Public health recommendation.6.What can we know from the last paragraph?A.7,500-steps-a-day standard is the best choice for all.B.More than 16,000 old people were involved in the study.C.Thos

14、e who walk at least 4,400 steps a day wont die early.D.150-minute moderate exercise a week for adults is advised.7.What does the author mainly want to tell readers?A.The more you walk a day,the healthier you will be.B.We can benefit from continuous and proper walking.C.Walking upright helps humankin

15、d to explore the world.D.Advertisements can always tell us some scientific suggestions.C Slowing down was the last thing on Elaine Schaefers mind when she turned 70 last year.Shed enjoyed an ambitious travel schedule for the previous decade.She didnt feel too old to travel.Yet many people are asking

16、 that slightly embarrassing question:Can you be too old to travel?The travel industry has already responded.Try renting a car inEurope,for example.InCroatia,Schaefer wouldnt be able to this year,because the maximum age is 70.Insurance companies require higher rates;tour operators limit certain activ

17、ities.That feels like a no for many travelers.Definitely some folks should think twice before traveling,but not only based on their age.Its their level of fitness,says Kirsten Veldman,a former tour guide who now edits a retirement blog.She recalls a 93-year-old who was disabled and traveling alone o

18、n aCaribbeantour.You cant expect to ask a tour leader to be there for you 24/7 for medical care.she says.Tour guides dont have the time,skills,and knowledge for it.So,in this case,my advice is:he shouldnt have traveled with us in this situation.But some tour operators serve older travelers.For examp

19、le,Grand Circle Travel started in 1958 to serve senior members.“We have travelers into their 80s and even 90s.Some travel as a couple and some alone,”says company spokeswoman Ann Shannon.“We have no age limit.”If you ask travel experts,theyll tell you that age is just a number.Its a question of phys

20、ical,and to a certain extent,mental ability.Many of our travelers are retired,focused on keeping their good health,and are experienced travelers who have a good idea of what to expect,says Sara Baer-Sinnott,president of Oldways,a food and nutrition nonprofit that operates tours.Someone in their 40s

21、may struggle more than someone in their 80s.8.What is expected if Schaefer travels inCroatiathis year?A.She can rent a car to go around.B.She has to pay more insurance fees.C.She can join in all kinds of activities.D.She will receive 24/7 medical care.9.What caused Veldman to disapprove of the 93-ye

22、ar-olds traveling?A.His old age.B.His lack of money.C.His poor health.D.His in sociable personality.10.What do we know about Grand Circle Travel?A.It is a non-profit traveling organization.B.It offers service to a wide range of travelers.C.It has a history of more than seven decades.D.Its main custo

23、mers are senior travelers.11.What is the authors altitude towards traveling old?A.Opposed.B.Supportive.C.Tolerant.D.Objective.D Most people around the world are right-handed.This also seems to be true in history.In 1799,scientists studied works of art made at different times from 1,500 B.C.to the 19

24、50s.Most of the people shown in these works are right-handed,so the scientists guessed that right-handedness has always been common through history.Today,only about 10%to 15%of the worlds population is left-handed.Why are there more right-handed people than left-handed ones?Scientists now know that

25、a persons two hands each have their own jobs.For most people,the left hand is used to find things or hold things.The right hand is used to work with things.This is because of the different work of the two sides of the brain.The right side of the brain,which makes a persons hands and eyes work togeth

26、er,controls the left hand.The left-side of the brain,which controls the right hand,is the centre for thinking and doing problems.These findings show that more artists should be left-handed,and studies have found that left-handedness is twice as common among artists as among people in other jobs.No o

27、ne really knows what makes a person become right-handed instead of left-handed.Scientists have found that almost 40%of the people become left-handed because their main brain is damaged when they are born.However,this doesnt happen to everyone,so scientists guess there must be another reason why peop

28、le become left-handed.One idea is that people usually get right-handed from their parents.If a person does not receive the gene(基因)for right-handedness,he/she may become either right-handed or left-handed according to the chance and the people they work or live with.Though right-handedness is more c

29、ommon than left-handedness,people no longer think left-handed people are strange or unusual.A long time ago,left-handed children were made to use their right hands like other children,but today they dont have to.12.After studying works of art made at different times in history,the scientists found _

30、.A.the art began from 1,500 B.C.B.the works of art ended in the 1950s C.most people shown in the works of art are right-handed D.most people shown in the works of art are left-handed 13.What is the left hand for most people used to do?A.Its used to find or hold things.B.Its used to work with things.

31、C.Its used to make a persons eyes work together.D.Its the centre for thinking and doing problems.14.According to the passage,which of the following is NOT true?A.No one really knows what makes a person become right-handed.B.Left-handedness is cleverer than right-handedness.C.Today children are not m

32、ade to use their right hands only.D.Scientists think there must be some reason why people become left-handed.15.The best title for this passage is _.A.Scientists New Inventions B.Left-handed People C.Which Hand D.Different Brains,Different Hands 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

33、选项。选项中有两项为多余选项 When someone moves into the neighborhood,its a good opportunity to make a friend._16_.So making the first move will be a welcome gesture._17_.Make the first step by paying a visit to your neighbors.Make your visit brief at first,just a few minutes,so you dont completely overwhelm（压倒，淹

34、没）them in the beginning.Once you break the ice,conversations will be easier to go forward.Your neighbors will tend to ask you for things about the area,get restaurant suggestions,or just gossip about their day,_18_.Theyll want to know about some new children in the neighborhood they can play with,to

35、o._19_.Offer to show them around your area by pointing out the grocery stores,playgrounds and restaurants.This is an especially good option for inward individuals,who can enjoy the conversation when you introduce your neighborhood.End your tour with a stop at the coffee shop,where you can buy them a

36、 cup of coffee before heading home.Invite them to a community event._20_?This will help you welcome the new people and anyone else you havent connected with yet in your neighborhood.You can do this by having a block party or inviting them to a community event,a farmers market,a library sale,or somet

37、hing similar.A.Have dinner with them B.Give them a walking tour C.Introduce yourself and say hello D.If you have kids,be sure to bring them along E.Some people feel comfortable inviting new people over for a home-cooked meal F.Your neighbors will want to get acquainted(熟识的)with everyone and even the

38、 whole new community G.What can be a better way to get closer to your neighbors than by inviting them to an event.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 Michael felt hot.Why was it so hard to breathe?They had rehearsed（预演）the play,and Michaelkne

39、w his part._21_he was still nervous._22_filled his head.What if I say the wrong thing?What if I trip（绊倒）and fall?Michael tried to think of_23_things.Tomorrow hed enjoy a delicious dinner with his family.But first he had to get through today,with a roomful of strangers_24_him.His family was in the au

40、dience（观众）.He tried to imagine that the family were all_25_around the dining room table right now.That always made him feel_26_.Michael_27_the play.It wasthe story of how the early Pilgrims had survived in the new land with the help of the people who lived there.Piece of cake,Jake had said.Jake,your

41、e_28_ Michael thought.Nothing to be_29_about.You have a（n）_30_role to play,Mr.Murray,the plays director,had told him.Michael felt as if the whole_31_depended on him.Everyone in place”,said Mr.Murray.Michael found that the theater was_32_.He was very nervous.Michael felt a hand on his shoulder and tu

42、rned to see Serene giving him a（n）_33_smile.You can do it,she said.The play_34_.This is not a plant Ive ever seen before,said Jake.It was Michaels turn to_35_something.But his mouth went dry.The audience was_36_.But he was frozen in place.And then heheard Serene say,How will we survive if we dont gr

43、ow food?Wait.That wasnt Serenes_37_.She must have made that up to_38_him to remember what he was going to say.We must ask for help with the plants,Michael said.He took a deep_39_,and started to focus.Serene and Jake wanted to help him.He wasnt in this before.But he survived the rest of the play.Mich

44、ael felt_40_for his friends help.21.A.So B.But C.And D.Or 22.A.Worries B.Lies C.Difficulties D.Choices 23.A.bad B.possible C.frightening D.pleasant 24.A.searching for B.caring for C.looking at D.laughing at 25.A.sitting B.standing C.exploring D.fixing 26.A.strange B.surprised C.proud D.relaxed 27.A.

45、watched B.directed C.debated D.understood 28.A.sorry B.right C.no D.perfect 29.A.shy B.excited C.worried D.regretful 30.A.important B.easy C.normal D.different 31.A.program B.school C.play D.plan 32.A.dirty B.full C.old D.small 33.A.polite B.weak C.encouraging D.winning 34.A.began B.changed C.finish

46、ed D.continued 35.A.show B.say C.buy D.explain 36.A.waiting B.thinking C.asking D.working 37.A.opinion B.voice C.duty D.line 38.A.allow B.help C.stop D.invite 39.A.breath B.sleep C.look D.interest 40.A.peaceful B.angry C.disappointed D.thankful 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

47、内单词的正确形式 Forests of longleaf pine trees once covered two-thirds of the southeastern US.About 95%of those forests_41._（cut）since the beginning of the last century.But now these forests are returning.The wood of the tree is very strong.Most buildings in the southern US used to contain longleaf pine wo

48、od.Today,after longleaf pine is no_42._（long）wanted to build houses,people are reusing the wood because its still good and resists water and insect damage.The tree is also_43._（value）to the environment since it stores CO2in its wood.The US government has several programs to protect and expand longle

49、af pine forests,one of_44._is the Safe Harbor Program._45._uses voluntary agreements with private landowners_46._（help）endangered animals.Now,farmers and landowners_47._（live）in the southeastern US are growing new longleaf pine trees.Instead of cutting the trees_48._wood,they are finding ways to mak

50、e money from the forest of trees.One way is by selling the_49._（leaf）or needles of the trees as a ground cover.Another way is to sell hunting rights.Hunting wild pigs_50._（be）a popular sport in the southern US and the fight to hunt on land can cost from$200 to$1,000 a day.第四部分 写作（共两节，满分 40 分）第一节短文改错