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1、2021 届上海青浦高级中学高三英语上学期期中考试试题及答案 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 Design a science holiday to win a science holiday Is there a scientific holiday,tour,vacation or experience in your list that you dream of making a reality?We might just be able to help
2、 with that!We are the crowd sourcing thoughts and suggestions onnew tours,and the winner will receive two free places on their tour when its launched.Starting entries 1st May 2020 Deadline 31st August 2020 ENTER NOW-Write a brief description of your ideal science holiday,tour,vacation or experience.
3、-No matter how big or small,we are looking for brilliant,unique thoughts.It can be a complex multi-location overseas holiday tour,a weekend away deep-diving,or a simple walking tour(and everything in between).-Our current tours are mainly individual-focused but we would love to hear ideas for famili
4、es and schools.-Creations that have environmentally friendly themes and a low carbon impact are also welcome.-Your entry can be as simple as a great title but writing more specifies will improve the possibility of walking off with the prize.-The competition doesnt close by September,2020,so plenty o
5、f time to brainstorm your entry.-We will launch the best idea in late 2020 or at the beginning of 2021.The winner will receive the award once the result is published.If you want to submit more than 3,999 words,include photos/maps with your entry,or submit multiple entries then send it to tours .The
6、competition guidelines and other related information are available at .1.When will the winner probably be announced?A.In August,2020.B.In September,2020.C.In January,2021.D.In May,2021.2.What kind of entries might be more likely to win?A.Those producing a low carbon impact.B.Those with a long and un
7、ique title.C.Those providing detailed information.D.Those for individual-focused tours.3.What is the purpose of this text?A.To give guidance on a competition.B.To advertise a science holiday.C.To inspire creativity in teenagers.D.To collect the ideas for tours.B Jake Oldershaw and his daughter Molli
8、e from Birmingham,Britain have asthma(哮喘).Mollie,11,has required hospital treatment several times while Jake Says he always finds breathing more difficult when there is heavy traffic.Air quality has an enormous impact on their lives and both noticed a marked improvement during the spring lockdown be
9、cause of the epidemic(疫情).Jake said,“During lockdown there was a noticeable difference in air quality.I didnt suffer any asthmatic attacks during that period.These days you can feel the effects.”However,under current COVID-19 restrictions in the UK this winter,many people probably will have to work
10、from home.The Energy and Climate Intelligence Unit(ECIU)says while emissions(排放)have dropped this year because weve been travelling less and doing less,the expected use ofgas boilers to provide heating and hot water could rise by more than half.Heating accounts for nearly 37%of the UKs total carbon
11、emissions.Modelling by the ECIU suggests a 56%increase in boiler usage this winter resulting in a 12%increase in emissions of carbon.The ECIU says thats enough to offset the last two years worth of progress on reducing traffic emissions.Jess Ralston,author of the analysis for the ECIU,said,“Working
12、from home and having increased gas use in the home could be really critical for air pollution and also climate change.The way we heat our homes needs to change if we are to get to net zero by 2050.”Jess Ralston said,“The increase in pollution from gas boilers expected this winter provides a graphic
13、illustration(图解)of their forgotten role in air pollution.And it is a role set to continue without practical policies to decarbonize home heating.”The government is set to publish its Heat and Buildings Decarbonisation Strategy in a few weeks which is expected to give details on plans to try to switc
14、h British homes to cleaner sources of heat.4.How did the spring lockdown in the UK affect Jake?A.He was cured of his asthma.B.He had to go to hospital for retreatment.C.He suffered a noticeable difficulty in study.D.He didnt suffer any asthmatic attacks during that period.5.What is concerning the En
15、ergy and Climate Intelligence Unit?A.The epidemic will become worse.B.Air pollution will get worse this winter.C.People may have to work from home longer.D.There is less energy for gas boilers in winter.6.What would Jess Ralston agree with?A.People prefer to work from home in winter.B.The government
16、 failed to protect the environment.C.People tend to ignore the harmful effect of home heating.D.The climate has suffered a lot from the epidemic this year.7.How to improve air quality during winter according to Jess Ralston?A.A warmer winter season.B.Less and less gas boilers.C.Practical plans from
17、the government.D.Improved awareness of cutting down pollution.C Identifying the chemical makeup of pigment(色素)used in ancient documents,paintings,and watercolor1 s is criticalto restoring and conserving the precious artworks.However,despite numerous efforts,scientists had been unable to determine th
18、e source of folium,a popular blue dye used to color1 manuscripts(手稿)in Europe during the middle ages from the 5th to the 15th century.Now,a team of researchers fromPortugalhas finally uncovered the mysterious ingredient responsible for the gorgeous blueish-purple color1 that helped bring ancient ill
19、ustrations and texts to life.The research team began byporing overinstructions penned by European dye makers from the 12th,14th,and 15th centuries.They found what they were seeking in a 15th-century text entitledThe Book on How to Make All the Color Paints for Illuminating Books.However,translating
20、the instructions was no easy task.It was written in the now extinct Judaeo-Portuguese language,and though the source of the dye was traced back to a plant,no name was mentioned.However,by piecing together suggestions from the text,the scientists were able to determine that the dye was made from the
21、bluish-green berries of the chrozophora tinctoria plant.After an extensive search,the team found a few varieties of the plant growing along the roadside near the town ofMonsarazin southPortugal.The detailed instructions gave the researchers critical clues including the best time to pick the berries.
22、“You need to squeeze the fruits,being careful not to break the seeds,and then to put them on linen(亚麻).”The scientist says the detail was important since broken seeds polluted the pigment,producing an inferior quality ink.The dyed linen,which was left to dry,was an efficient way to store and transpo
23、rt the pigment during ancient times.When needed,the artist would simply cut off a piece of the cloth and dip it with water to squeeze out the blue color1.Once the key ingredient had been identified,the researchers began to determine the dyes molecular structure.To their surprise,they found that foli
24、um was not like any other known permanent blue dyes it was an entirely new class of color1,one they named chrozophoridin.“Chrozophoridin was used in ancient times to make a beautiful blue dye for painting.”the team wrote in the study.“Thus,we believe that this will not be our final word on this amaz
25、ing plant and its story and that further discoveries will follow soon.”8.The primary purpose of the study is to _.A.restore and conserve ancient precious artworks B.determine the substance making up the folium C.prove the ancient dye-making technique was organic D.identify which class of color1 foli
26、um belongs to 9.The underlined phrase“poring over”in the second paragraph means _.A.discussing publicly B.testing repeatedly C.passing directly D.reading carefully 10.What can be learned about the blue dye folium?A.It was essentially an inferior type of ink.B.It was the only kind made from wild berr
27、ies.C.It could be carried and used easily.D.It was carefully squeezed from broken seeds.11.The article is mainly about _.A.how the mystery ofa thousand-year-old blue dye was solved B.why the researchers took the trouble to recreate the dye C.what needs to be done to make an organic dye from a plant
28、D.when and where the discovery of the dye was made D Barred owls(大林鸮猫头鹰)are a large species native to eastern North America,but they began moving west at the start of the 20th century.By 1973,large numbers of barred owls had arrived in the western state ofWashington.Later they moved south intoOregon
29、andCalifornia.In parts of thePacific Northwest,the owls are now believed to be causing a drop in the population of a smaller,less aggressive bird:the northern spotted owl.In many ways,the barred owl is the spotted owls worst enemy.The barred owl has more babies per year and eats the same animals,lik
30、e squirrels and wood rats.And their numbers are now larger in many parts of the spotted owls traditional territory.David Wiens is a biologist with the U.S.Geological Survey,a federal agency that studies the Earth and its natural resources.He and other officials are doing something unusual to protect
31、 spotted owls:killing barred owls.It is a controversial,experimental program.More than 2,400 barred owls have already been shot.Wiens is the son of a well-known bird expert and grew up with the fascination for birds.He has mixed feelings about the program.Its a little distasteful,I think,to go out k
32、illing barred owls to save another owl species,he says.But he adds,“We knew that barred owls were out competing spotted owls and their numbers were growing too fast.To catch barred owls,officials put digital bird callers on the ground.Then they step back and wait as several sounds from the devices f
33、ill the air.All of this happens in the dark of night.Barred owls dislike other birds in their territory,so they will fly down and chase other owls out.That is when Wiens and his team try to shoot them.12.Whats the main problem with spotted owls?A.They are being starved to death.B.They have more babi
34、es each year.C.They are invaded by another bird.D.They are hunted by man.13.Why are barred owls being killed?A.They are eating the spotted owls.B.They are killing each other to survive.C.They are putting the spotted owls in danger.D.They are destroying large areas of forests.14.Why did the officials
35、 release the bird sounds?A.To kill barred owls.B.To puzzle barred owls.C.To protect barred owls.D.To frighten barred owls.15.What can be the best title for the text?A.Killing One Animal to Save Another.B.Keeping the Balance of Nature.C.Protecting Birds in Danger.D.Preventing Birds from Playing Fair.
36、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 There are two types of people in this world:those who can sleep on flights,and those who cant.If you happen to be one of these unfortunate souls,you may fail to enjoy a long trip.Being sleep-deprived and jet-lagged,youre unable to
37、function for at least 72 hours._16_ Grab a row We all know the vital part of sleep is managing to lie down to create the illusion of being in a bed._17_If youre limited to economy class,give yourself a fighting chance by choosing a middle seat when booking.Couples and families are unlikely to go eit
38、her side of you,preferring to stick together._18_ It might seem silly,but preparing for“bed”the way you usually do at home means youre more psychologically ready for sleep.Changing into pyjamas,brushing your teeth and removing your make-up can all get you in the right mindset.If you normally always
39、read before bed,do it now too.These are signals to your brain that the“being awake”portion of the day is officially over.Switch off _19_Plan when you ideally want to sleep and half an hour beforehand shut down the electronics.Instead,do a bit of reading or,better yet,indulge in a 20-minute meditatio
40、n(冥想)to really calm the neurons.No pressure Try not to put too much pressure on yourself;instead,just see it as a chance to rest your eyes for a bit._20_If you do,its a bonus.If you dont.well,just hope theyll accept your answer of“bleisure”(商务休闲旅游)as you walk unsteadily through security.A.Stick to y
41、our routine B.Get the right sleeping mask C.But fear not-there are ways of securing more sleep.D.Obviously,you can guarantee this by paying money for business class.E.Using devices just before bed means your brain is all lit up like a Christmas tree.F.Its easier said than done,but stressing about no
42、t being able to sleep is a certain way of not being able to sleep.G.Get comfortable and relaxed,and remind yourself that its not the end of the world if you fail to get some shuteye.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 When do you stick with s
43、omethingeven if youre not the best at it?When people find out my son Sam is a(n)_21_mathlete,they usually ask if my husband and I are“math people”.The answer is definitely not.Sams done pretty well_22_his parents arent math people.But sometimes I wish I was a math person so I could help him or at le
44、ast give him better_23_.Ninth grade was_24_for Sam,math-wise.He left the_25_of middle school math,where he was kind of a big fish,and started_26_with the high school kids.In the most recent competition,he didnt do as well as hed hoped and was_27_by a math camp hed applied to.Hed set a high goal for
45、himself and hadnt quite_28_it.He_29_into my office one day last week,clearly discouraged.“I dont know why I didnt do better,”he said,_30_on a chair.“Maybe I should just_31_.Im not good enough.”I knew how he felt.The thought_32_us all-that we just arent good enough,and that all our hard work wont_33_
46、in the end and we cant turn our_34_into success.I dont have an answer for Sam.I am still_35_.How to_36_difficulty,disappointment,rejection,boredom.How to commit ourselves to something because its beautiful and worth our while,not because were_37_well succeed.“Maybe youre not,”I said,looking at my so
47、n.To me,he is incredible and accomplished,but I know he is_38_by doubt just like anyone.“But I,for one,dont think thats been decided yet.”To devote time to something with no guarantee of its_39_is risky and terrifying.But,then again,_40_is everything.And we dont need to be a math person to know that
48、.21.A.competitive B.sensitive C.generous D.anxious 22.A.unless B.because C.considering D.providing 23.A.life B.advice C.solution D.taste 24.A.interesting B.attractive C.boring D.tough 25.A.principle B.world C.test D.age 26.A.running B.travelling C.swimming D.hunting 27.A.admitted B.received C.caught
49、 D.rejected 28.A.scored B.reached C.pursued D.managed 29.A.stole B.marched C.wandered D.jogged 30.A.sinking B.lying C.sliding D.hiding 31.A.struggle B.experience C.try D.quit 32.A.interrupts B.discourages C.limits D.suits 33.A.mind B.occur C.matter D.differ 34.A.effort B.luck C.support D.belief 35.A
50、.practicing B.risking C.suffering D.learning 36.A.bring up B.go over C.push through D.turn down 37.A.certain B.happy C.optimistic D.anxious 38.A.warned B.troubled C.destroyed D.guided 39.A.quality B.shelter C.virtue D.success 40.A.so B.nor C.such D.it 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