1、选择性必修第一册 UNIT 2写作专项要规范(40mins).应用文写作假如你是李华,你的朋友韩梅梅对高中的英语学习很困惑。最近,她给你发来了一封电子邮件,询问在高中如何学好英语。请你给她写一封回信,并针对如何学好英语给她提一些建议。注意:1.词数80左右;2.可适当增加细节,以使行文连贯。.概要写作In the popular imagination,the rise of self-driving cars will mean greener cities,safer roads,and happier workers.With technology,speeding,braking,an
2、d reacceleratingwhich are responsible for much of the gas burned on roads today and the resulting air pollutionwould be a memory.But despite these opportunities,there are certain reasons why driverless vehicles may fail to live up to some of these expectations,or at least take a little while longer
3、to achieve them.First,truly automated technologyat least the kind that requires no human involvementis rare in every sector of the economy,and theres little reason to think driving will be any different.Human drivers will still bear the final responsibility for the cars theyre riding in.A related ch
4、allengeparticularly for driverless carsis the complexity of the systems involved.For example,some cars today require over 100 million lines of software code(代码) to keep them running.More code means more functions,which,to some degree,also means more opportunities for software errors.Driverless cars
5、raise a challenge in this regard and possibly cause more opportunities for errors errors that can lead to accidents.Yet the greatest challenge facing driverless cars isnt technological,but psychological.Surveys consistently reveal global skepticism about the technology.Americans,for example,remain m
6、ore worried than excited by driverless cars.Over half of the American public say they would not ride one given the opportunity.This shows a deep-seated lack of trust in the technology.Similar ideas have been expressed worldwide.Whats more likely is that human drivers will continue applying some cont
7、rol over their cars,regardless of how automated those cars are.Some may quarrel with this idea.But automakers have long been preparing for it.Just ask Nissan,Waymo,and Zoo,all of which are exploring ways for human drivers to retake control of a car should automation fail.In other words,driverless do
8、es notand will notmean humanless.参考答案写作专项要规范.Dear Han Meimei,I know from your e-mail that you have difficulty with English.Id like to give you some advice on how to learn English well.First,you should listen carefully to your teacher in class and practice as often as possible after class because mas
9、tering a language requires a lot of practice.Second,Id like to recommend that you read some English storybooks,which will help you enlarge your vocabulary.Third,I think it is a good idea to communicate with native English speakers.Last but not least,watching English movies and listening to English s
10、ongs are good ways to learn idiomatic English.I hope my advice will be helpful!Yours,Li Hua.Contrary to peoples vision of a better city life,self-driving cars are on the road to nowhere.(要点1)First,like auto-machines in other fields,driverless cars are literally not completely independent of humans.(要点2)Besides,demanding complicated technology,such cars can be a threat if a possible error occurs.(要点3)Trust issues for humanless cars,however,remain a major concern.(要点4)Thats why automakers are seeking ways to allow drivers more control on their vehicles.(要点5)