1、Unit 2 Using Language & Assessing Your Progress一、填空1._ 从中获益2._ 人工智能3._ 与保持联系4._ adj.效率高的5._ adj.可获得的6._ adj.相关的7._ n.距离8._ n. 创新9._ adv. 自动地10._ adv. 不断地11.You must make sure the time is _ (准确的) .12.They are determined to _ (抵制) pressure to change the law.13.The author is writing an _ (文章) on the ca
2、uses of the First World War now.14.What made you decide on a _ (职业) as a doctor?15.There is no immediate _ (可能性) of peace in this country.16.Now well be able to live in _ (奢华) for the rest of our lives.17.The report advocated that all buildings should _ (fit) with smoke detectors.18.The design of th
3、e bicycle has managed to reduce the effects of wind _ (resist) and drag.二.阅读理解 Many leading AI researchers think that in a matter of decades, artificial intelligence will be able to do not merely some of our jobs, but all of our jobs, forever transforming life on the earth. The reason why many peopl
4、e reject this as science fiction is that weve traditionally thought of intelligence as something mysterious that can only exist in biological organisms, especially humans. But such an idea is unscientific. From my point of view as a physicist and AI researcher, intelligence is simply a certain kind
5、of information-processing performed by elementary particles (基本粒子) moving around, and there is no law of physics that says one cant build machines more intelligent than us in all ways. This suggests that weve only seen the tip of the intelligence iceberg and that there is an amazing potential to unl
6、ock the full intelligence that is potential in nature and use it to help humanity. If we get it right, the upside is huge. Since everything we love about civilization is the product of intelligence, amplifying (扩大) our own intelligence with AI has the potential to solve tomorrows toughest problems.
7、For example, why risk our loved ones dying in traffic accidents that self-driving cars could prevent or dying of cancers that AI might help us find cures for? Why not increase productivity through automation and use AI to accelerate our research and development of affordable sustainable (可持续的) energ
8、y? Im optimistic that we can develop rapidly with advanced AI as long as we win the race between the growing power of our technology and the knowledge with which we manage it. But this requires giving up our outdated concept of learning from mistakes. That helped us win the race with less powerful t
9、echnology. We messed up with fire and then invented fire extinguishers (灭火器), and we messed up with cars and then invented seat belts. However, its an awful idea for more powerful technologies, such as nuclear weapons or super intelligent AIwhere even a single mistake is unacceptable and we need to
10、get things right the first time.(1)How do many people feel about leading AI researchers predictions?A.Worried.B. Curious.C. Doubtful.D.Disappointed.(2)What does the author think of intelligence?A.We know little about it.B.It belongs to human beings.C.It is too difficult to understand.D.We have a goo
11、d command of it.(3)What does the underlined word upside in Paragraph 4 probably mean?A. Cost.B. Potential.C. Quantity.D. Advantage.(4)Whats important for us in the race between people and technology?A.Learning from failure.B.Increasing our intelligence.C.Avoiding making mistakes.D.Making accurate pr
12、edictions.三.七选五 OK, class. Count off by fives._ Sometimes, breaking into small groups lasts as long as the class does. Other times, it signals the start of a group project which means youll be working with a few classmates for a day, several days, or longer on an assignment. Ever wondered why this t
13、ype of project is so popular in school? Or what you can do to make sure your group project is fair, fun, and successful? You want a good grade, right?_ Most things are done with the help or ideas of other people. Group projects are great practice for high school, college, and real life, when you wil
14、l probably have a job that requires working with others. Right now, group projects can be fun and they often allow you to do a bigger, more interesting project than you could alone. _ For example: working on a deadline, staying organized, or being patient. And if youre a little nervous talking in fr
15、ont of a group, a joint project can help you become more comfortable with it. Maybe your group will pick you to tell the whole class about your project. _A.Few of us act alone in the real world.B.If so, youll know your whole group is supporting you!C.With group work, you can actually learn more in l
16、ess time.D.You are going to have a break and get relaxed for a while.E.Group projects are also a great way to practice your skills.F.When hearing the instruction, you know whats coming next.G.Learning to be independent is very important for students in their future life.答案以及解析一、1.答案：benefit from解析：
17、2.答案：artificial intelligence解析： 3.答案：keep in touch with.解析： 4.答案：efficient解析： 5.答案：available解析： 6.答案：relevant解析： 7.答案：distance解析： 8.答案：innovation解析：9.答案：automatically解析： 10.答案：constantly解析： 11.答案：accurate解析： 12.答案：resist解析： 13.答案：essay解析： 14.答案：career解析：15.答案：prospect解析： 16.答案：luxury解析： 17.答案：be fit
18、ted解析：考查语态。句意:报告主张所有建筑物都应安装烟雾探测器。advocate后接宾语从句时,从句谓语要用(should)do形式,fit和all buildings之间是被动关系,所以用被动语态。18.答案：resistance解析：考查名词。句意:这种自行车的设计减少了风的阻力和摩擦力的影响。二.答案：(1)-(4)CADC解析：(1)推理判断题.根据第二段中的 many people reject this as science fiction 可以推知,很多人不相信 AI 研究者的预言,认为那更像是科幻小说.故选C.(2)细节理解题.根据第三段中的 weve only seen t
19、he tip of the intelligence iceberg. 可知,作者认为,人类对智能的认识还只是冰山一角.故选A.(3)词义猜测题.第四段主要论述了恰当利用人工智能的好处第一句是本段的主句. upside 意为 好的一面,优势, 相当于 advantage. 故选D.(4)细节理解题.根据最后一段中的 we can develop rapidly with advanced AI.giving up our outdated concept of learning from mistakes. 可知,作者认为,赢得这场比赛的关键在于抛弃 从错误中学习 的过时理念.故选C.三.答案
20、：FACEB解析：前面的OK, class. Count off by fives.是老师发出的指令,F项中的When hearing the instruction.可承接上文内容。 根据下文的Most things are done with the help or ideas of other people.可知,A项在现实生活中几乎没有人能单独做事情可引出下文。此空前整个第三段都是在讲group work的优点,而这个空格作为本段的结尾句,应该是一个总结句。C项在小组合作中,你的确能够在更少的时间内学习到更多的东西符合本段文意。空格处所填的句子是这一段的主题句。根据下文所举的例子可知,E项小组项目是训练你技能的一个很好方法可作为主题句。根据也许你的小组会选你向全班同学讲述你们组的计划可知,B项如果这样的话,你要明白你的整个团队都是支持你的!可承接上文。