1、Unit 3Computers课时作业9Warming Up & Reading.单词拼写1Encouraged by the advances of science and technology, many farmers have set up wind farms on their land.2It will take me some time to figure out the reality of the whole event.3It is wrong to regard our work either as totally good or as completely bad.4P
2、ersonally speaking, Im not in favour of the plan.5There are still many problems to be solved (解决) before we are ready for a long stay on the Moon.6Try to simplify (简化) your idea and tell us.7He said that he had explored (探索) the North Pole.8Thanks again anyhow (无论如何) for the good food.9Your goal (目标
3、) is to provide valuable resources to customers.10Thank you for taking the trouble to help me with my application (申请) letter.选词填空have.in common, compare.with., according to, from then on, go by, as a result, as well as, share.with., so.that., be filled with1The boy student is so clever that he can
4、work out such a difficult problem.2The article is filled with beautiful words, which is far from the life of our ordinary people.3Tom as well as his sister has decided to take part in that program.4Even though they are twins, they almost have nothing in common.5In order to save money, she has to sha
5、re a room with her friend.6With years going by , he has become more and more experienced in what he is doing.7If all goes according to plan, the first concert will be held on Tuesday evening.8By comparing the address with that one, she found that the former one suited her more.9From then on, we rais
6、ed our heads and became our own masters.10It hasnt rained for several days. As a result, we have to water those young trees.单句改错1My father wrote a book to describe how computers could be made work.work前加to2Please write it down after you forget it.afterbefore3If inviting, Ill go to the party.inviting
7、invited4They met in 1942 and since then on they were firm friends.sincefrom5As a result for her carelessness, she failed to pass the exam.forof.课文语法填空I was born in 1642 in France. After I 1.was programmed (program) by an operator 2.who used cards with holes, I could “think” 3.logically (logic). In 1
8、936 my real father, Alan Turing, described how computers could be made to work in a book to solve any mathematical problem by building a 4.universal (universe) machine. People were surprised 5.at my artificial intelligence. At first, I was as large as a room. As time went by, I was made smaller and
9、smaller. In the early 1960s, I got a family 6.connected (connect) by a network. My memory became so large 7.that even I couldnt believe it! And my memory has developed so much that I never forget anything. I could share information 8.with others and talk to each other by a net. My family and I 9.hav
10、e been used (use) by billions of people since the 1970s. I am happy that I have 10.truly (true) been built to serve human race since my birth.串点成篇微表达随着科学技术(technology)的快速发展(with复合结构)，计算机已被应用(be applied to)于很多领域，以至于我们现在离不开电脑了(so.that.)。结果(as a result)，人们普遍地(universally)依靠计算机来解决(solve)各种问题，比如，探索(explo
11、re)月球。不管怎样(anyhow)，人们普遍认为(it is generally believed that)在将来计算机不可能替代人类(human race)With science and technology developing quickly, computers have been applied to so many fields that we cant go without them. As a result, people universally rely on computers to solve all kinds of problems, for example,
12、exploring the Moon. Anyhow, it is generally believed that computers cant take the place of human race in the future.阅读理解ASince the 1970s, scientists have been searching for ways to link the brain with computers. BrainComputer Interface (BCI) technology could help people with disabilities send comman
13、ds to machines.Recently, scientists showed a small vehicle directed by a persons thoughts. Jose Millan and Michele Tavella developed the system. Mr Tavella can even talk as he watches the vehicle and guides it with his thoughts. He said, “Thats very, very easy. Thats the simplest part we could say b
14、ecause moving one hand or the other is a very, very common task. There is no much work. Its very, very simple.” Mr Tavella is a researcher at the Federal Polytechnic School in Lausanne, Switzerland. In the laboratory, he can operate a wheelchair just by thinking about moving his left or right hand.P
15、rofessor Millan is the team leader. He says systems like those being developed in Lausanne and other places may be put into use in less than ten years. He said, “The brainmachine interface is a system that allows people suffering from physical disabilities to control devices.”Our brain has billions
16、of nerve cells. These send signals through the spinal cord (脊髓) to the muscles to give us the ability to move. But spinal cord injuries or other conditions can prevent these weak electrical signals from reaching the muscles.The researchers designed a special cap for the user. This head cover capture
17、s (捕捉) the signals from the scalp (头皮) and redirects them to a computer. The computer interprets the signals and commands the motorized wheelchair. The wheelchair also has two cameras that identify (识别) objects in its path.Professor Millan says scientists keep improving the computer software that id
18、entifies brain signals and turns them into simple commands.人脑与计算机连接，以此来控制机器，这似乎匪夷所思，但这项技术几年之后就可以造福于残疾人士了。1The use of braincomputer interface technology means .Amore work for the disabledBhigh expense for the disabledCmore freedom for the disabledDbetter education for the disabled答案：C解析：推理判断题。根据第一段的“
19、BrainComputer Interface (BCI) technology could help people with disabilities send commands to machines.”可知，这项技术意味着残疾人士会更方便移动，故选C。2Mr Tavella emphasized that the operation of the vehicle is very .Aboring Beasy Cuseful Dcomplex答案：B解析：细节理解题。根据第二段的Thats very, very easy.is a very, very common task.可知，Mr
20、Tavella强调了操作的简单性。3What can we know from the passage?ASuch a machine will only follow one persons guide.BA disabled person can only guide the machine by talking to it.CIt is impossible for blind people to send commands to such a machine.DDisabled people have to wait several years to benefit from BCI
21、technology.答案：D解析：推理判断题。根据第三段的He says systems like those being developed in Lausanne and other places may be put into use in less than ten years.可知应选D。4What does the underlined word “them” in the last paragraph refer to?AScientists. BComputer systems.CBrain signals. DSimple commands.答案：C解析：代词指代题。根据i
22、dentifies brain signals以及into simple commands可知，这里是指可以由电脑软件将“大脑信号”转化成简单的指令。BDear John，My name is Amber and I want to share my story with you because what youve shared about life and positive energy has changed my life.This past year has been one of the hardest for me. I felt I was stuck in a positio
23、n that had nothing to do with what I wanted to do with my life. In January, after two years of being together, my boyfriend left me.I read your blog every Monday morning as I drink my coffee at work, but it wasnt until this March that I told myself “no more negativity (消极)” as you taught readers in
24、your blog.Since then Ive got into new habits at work to keep my energy positive. When people walk in the front door, Im the first face they see, so I smile big when I say “good morning” to them, especially on Mondays. Instead of waiting for someone to ask me for help, I offer it with an open mind. T
25、he CEO noticed my change and offered me the executive assistant position that I wanted.One of the biggest things Ive taken to heart from your blog is changing my perspective (看法) on my job. Yes, it was not an important position, but when I was passionate (热情的) about it, I could make my life fulfilli
26、ng.All in all, I have to thank you somehow for having the passion to help others because it truly is inspiring to me. So thank you so much, John. My life has changed because your words pointed me in the right direction. Take care!Sincerely，AmberAmber看到John的博客后，被他积极的态度所感染，也决定过一种积极的生活。5Amber wrote the
27、 letter mainly to .Aintroduce herself to JohnBtalk about her bad yearCask for some adviceDexpress her thanks答案：D解析：作者意图题。通读全文，可知Amber主要是向John表达她的感激之情，感激他的博客改变了她的生活。6We can infer from the passage that Amber .Adidnt like her boyfriendBspent a lot of time onlineCwasnt satisfied with her jobDreceived ve
28、ry good education答案：C解析：推理判断题。根据第五段“One of the biggest things.I could make my life fulfilling.”可知作者以前不喜欢她的工作。7What is implied about John in the letter?AHe is a very famous writer.BHe used to live a very negative life.CHe doesnt like sharing his life stories.DHe likes helping others through writing p
29、ositive blogs.答案：D解析：推理判断题。根据第三段的“I told myself no more negativity(消极) as you taught readers in your blog.”和最后一段中having the passion to help others可推断，John喜欢在博客中通过写积极向上的文章来帮助别人。8What does Ambers change tell us?APractice makes perfect.BBad luck doesnt exist long.CA positive attitude is rewarding.DA friend in need is a friend indeed.答案：C解析：推理判断题。拥有积极的态度后，Amber的生活发生了很大的改变，她也得到了自己想要的职位，她的这种改变告诉我们，拥有积极的态度会获得回报。
