2020届广州市番禺区大石镇第一中学高三英语上学期期末考试试卷及答案.pdf
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1、20202020 届广州市番禺区大石镇第一中学高三英语上学期期末考试试卷及届广州市番禺区大石镇第一中学高三英语上学期期末考试试卷及答案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 AReturns&Refund Guarantee(保证;保证书)The“Returns&Refund Guarantee”is a promise provided by sellers for every item
2、 they sell on DH.Whenyou receive an item that was bought and paid for on our site,and you find it is not as described or isof low quality,you can contact the seller to resolve these problems.DHgate will offer additional assistance if the seller is notcooperative.Scope(范围)The following points should
3、not be included in the“Returns&Refund Guarantee”:The seller didnt make any promise.The seller can provide evidence to prove the items are as described.You didnt contact the seller within the promised time.You have released the payment to the seller before asking DHgate for help.Sellers are able to s
4、et up the following promises:Returning items for any reasonBuyers can return items for a refund within a specific date which has been set up by sellers,such as 3 days,and 7days from the day when the items are received.The items receiving date is the date that is indicated on theshipping carriers off
5、icial website.Buyers should prepay any return shipping cost,which will be given back to thebuyers after the seller receives the items as long as the items are returned in the same exact condition as whenthey were delivered.Returns or Refunds accepted if the product has quality issuesBuyers can retur
6、n the items for a refund when they are not as described or possess quality issues bycommunicating directly with the seller.The seller is responsible for the return shipping cost.Buyers can get a refund and keep the items when the items are not as described or possess quality issues bynegotiating dir
7、ectly with sellers.1.Who can get additional assistance from DHgate in the guarantee?A.The buyers in physical stores.B.The buyers on DH.C.The sellers on DH.D.Both the buyers and the sellers.2.Which situation is within the scope of the guarantee?A.The seller didnt make any promise.B.The buyer has paid
8、 the seller in advance.C.The buyer asked for help within the promised time.D.The seller proves that there is nothing wrong with the item.3.Which of the following is true according to the passage?A.Not all the sellers make promises.B.DHgate sometimes will pay the buyers.C.Sellers should prepay return
9、 shipping cost.D.The buyer cant keep the items after getting a refund.BHowdo you turn“dumb”headphones into smart ones?Rutgers engineers have invented a cheap and easy way bytransforming headphones into sensors that can be plugged into(插入)smartphones,identify their users monitortheir heart rates and
10、perform other services.Their invention,called HeadFi,is based on a small plug-in headphone adapter that turns a regular headphone intoa sensing device(装置).Unlike smart headphones,regular headphones lack sensors.HeadFi would allow users toavoid having to buy a new pairof smart headphones with sensors
11、 to enjoy sensing features.“HeadFi could turn hundreds of millions of existing,regular headphones worldwide into intelligent ones with asimple upgrade(升级),”said Xiaoran Fan,a HeadFi primary inventor.A Rutgers-led paper on the invention,which results in earable intelligence,will be formally published
12、 in Octoberat MobiCom 2021,the top international conference on mobile computing and mobile and wireless networking.Headphones are among the most popular wearable devices worldwide and they continue to become;moreintelligent as new functions appear,such as touch-based gesture control,the paper notes.
13、Such functions usuallyrely on aiding sensors,such as accelerometers,gyroscopes and microphones that are availableon many smartheadphones.HeadFi turns the two drivers already inside all headphones into a versatile(多功能的)sensor,and it works byconnecting headphones to a pairing device,such as a smartpho
14、ne.It doesnt require adding aiding sensors andavoids changes to headphone hardware or the need to customize headphones,both of which may increase theirweight and size.By plugging into HeadFi,a converted headphone can perform sensing tasks and play music at thesame time.The engineers conducted experi
15、ments with 53 volunteers using 54 pairs of headphones with prices ranging from$2.99 to$15,000.HeadFi can achieve 97.2 percent to 99.5 percent accuracy on user identification,96.8 percentto 99.2 percent on heart rate monitoring and 97.7 percent to 99.3 percent on gesture recognition.4.What does Xiaor
16、an Fan think of HeadFi?A.Secure to operate.B.Simple to use.C.Easy to substitute.D.Convenient to store.5.What can we know about HeadFi according to the text?A.It cant work with headphones alone.B.It actually functions as a versatile sensor.C.It makes headphones larger and heavier than usual.D.It does
17、nt work when headphones are playing music.6.The figures are listed in the last paragraph mainly to show_.A.the various functions of HeadFiB.the wide popularity of headphonesC.the great complexity of headphonesD.the excellent performance of HeadFi7.What can be the best title for the text?A.How to Use
18、 Headphones AppropriatelyB.Headphones Can Be Upgraded InstantlyC.How to Make Regular Headphones IntelligentD.New Uses Have Been Found in HeadphonesCIn 2015,a man named Nigel Richards memorized 386,000 words in the entireFrench Scrabble Dictionaryinjust nine weeks.However,he does not speak French.Ric
19、hards impressive feat is a useful example to show howartificial intelligence works real AI.Both of Richard and AI take in massive amounts of data to achieve goals withunlimited memory and superman accuracy in a certain field.The potential applications for AI are extremely exciting.Because AI canoutp
20、erformhumans at routine tasks provided the task is in one field with a lot of data it is technically capable of replacing hundreds of millions ofwhite and blue collar jobs in the next 15 years or so.But not every job will be replaced by AI.In fact,four types of jobs are not at risk at all.First,ther
21、e are creativejobs.AI needs to be given a goal to optimize.It cannot invent,like scientists,novelists and artists can.Second,thecomplex,strategic jobs executives,diplomats,economists go well beyond the AI limitation of single-field andBig Data.Then there are the as-yet-unknown jobs that will be crea
22、ted by AI.Are you worried that these three types of jobs wont employ as many people as AI will replace?Not to worry,as the fourth type is much larger:jobs where emotions are needed,such as teachers,nannies and doctors.Thesejobs require compassion,trust and sympathy which AI does not have.And even if
23、 AI tried to fake it,nobodywould want a robot telling them they have cancer,or a robot to babysit their children.So there will still be jobs in the age of AI.The key then must be retraining the workforce so people can dothem.This must be the responsibility not just of the government,which can provid
24、e funds,but also ofcorporations and those who benefit most.8.What is the main purpose of paragraph 1?A.To introduce the topic.B.To mention Nigels feat.C.To stress the importance of good memory.D.To suggest humans go beyond AI in memory.9.Which of the following best explains“outperform”underlined in
25、paragraph 2?A.Be superior toB.Be equal toC.Be similar toD.Be related to10.Which of the following jobs is the most likely to be replaced?A.The writer.B.The shop assistant.C.The babysitter.D.The psychologist.11.What does the text suggest people do about job replacement of AI?A.Limit the application of
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