2020-2021学年英语北师大版选修8课时作业 UNIT 24 WARM-UP .doc

1、课时作业15Warmup & Lesson 1Consumer Society.单词拼写1After retirement, Mr Blacks pension (抚恤金) is not enough to support him and his wife.2The sweater was not of high quality. After being washed only once, it shrank (缩小) and I couldnt put it on.3This room is vacant (空着的). You can live here for the moment.4Th

2、e top of the mountain is bare (光秃的), without grass or trees growing there.5Almost each country has its own currency (货币), for example, in China it is RMB.6People in America are from diverse (多样的) cultures.7When attending the meeting, we had buffet (自助餐) every morning.8Many fans are waiting outside f

3、or the famous stars signature (签名)9I deleted (删除) the important document unconsciously.10The burden (重负) on his back seemed to be crushing him to the earth.单句语法填空1The little girl has deposited 100 English songs in her MP4.2Its about/high time that we should_do/did (do) something to make good use of

4、time.3It wont be long before we have the final examination.4I wouldnt call it a burden; I call it a responsibility.5I guess they will make adjustments (adjust) to my salary this month.6Several staff members volunteered (voluntary) for early retirement.7There is a need for greater diversity (diverse)

5、 and choice in education.8Not Jack but his parents are to blame for the accident.9I believed that if we tried our best we could be better (well) off than them.10This is the third time you have_left (leave) your umbrella behind on a bus.单句改错1It will not be very long until we meet again.untilbefore2It

6、s high time that we do something to improve our environment.dodid/do 前加should3I dont know when the Roman Empire came to being.tointo4Instead eating out alone, why not call some friends and have a picnic?Instead 后加of5Burdened endless paperwork, he didnt have time to assist you.Burdened 后加with.选词填空com

7、e into being, wind.up, on the increase, better off, be abundant in, be burdened.with., compare with, hand over1The poem is_abundant_in sunny, healthy and happy words.2I never wanted my son to be_burdened_with all those difficulties.3The Red Army came_into_being on August 1,1927.4Our demand for this

8、product is steadily on_the_increase.5The country is very quiet compared_with the town.6Are you deliberately winding me up?7He will hand_over charge of his office tomorrow.8With a stable job and adequate income, Mr Smith will be better_off.完成句子1We should never resign_ourselves_to being defeated.我们永远不

9、甘心被打败。2With the development of modern science and technology, the computer has come_into_being/existence.随着现代科学技术的发展，电脑出现了。3Not_you_but_your_brother is to blame for it.该为此事受责备的是你弟弟而不是你。4Ive made_a_few_minor_adjustments_to the seating plan.我对座次表作了一些小小的调整。5Its_high_time_that_we_students_should_work/wo

10、rked_harder_at_our_lessons as the College Entrance Examination is approaching.随着高考的临近，该是我们学生更加努力学习的时候了。6The telephone rang off before_I_could_answer_it.我还没来得及接，电话就挂断了。7He used to wind_me_up about my poor height.他过去常常拿我的身高来气我。8Compare with those who are suffering, and we are better_off.跟那些受苦的人相比，我们过得

11、很富裕了。.阅读理解Slowly but surely, were moving closer and closer to 5G world. From smarthome security to selfdriving cars, all the internetconnected devices in your life will be able to talk to each other at lightningfast speeds with reduced delay. Objectively speaking, the fastest 4G download speeds in t

12、he US top out at an average of 19.42 Mbps. But by comparison 5G promises gigabit (千兆) speeds.“5G is one of those signs, along with artificial intelligence, of this coming data age，” said Steve Koenig, senior director of market research for the Consumer Technology Association. The selfdriving vehicle

13、 is a great emblem of this data age, and that is to say, it is a sign of time, because with one single task, driving, you have massive amounts of data coming from the vehicle itself, and a variety of sensors are collecting a lot of information to model its environment as it moves. Its pulling in dat

14、a from other vehicles about road conditions down the lane. It could be weather information, but also connected infrastructure (基础设施) construction. Theres lots of data behind that task, which is why we need high speed.Augmented reality glasses and virtual headset havent yet broken the mainstream, but

15、 tech companies are joyfully betting that these devices will eventually replace our smartphones. With 5G, that could actually happen. This is notable because companies such as Apple are reportedly developing AR glasses to assistor perhaps even replacesmartphones.Ericsson stated at Februarys Mobile W

16、orld Congress how smart glasses could become faster and lighter with a 5G connection, because instead of being weighed down with components, the glasses could rely on hardware for processing power.But dont get too excited. Theres still a lot of work to be done in the meantime, including various tria

17、ls to make sure the radios play nicely with hardware and infrastructure construction so 5G isnt concentrated only in big cities.本文是一篇说明文。文章讲述的是我们离5G世界越来越近了。1What does the author want to stress in Paragraph 1?AThe lightningfast speed of 5G.BThe expectation of 5G world.CThe difference between 4G and 5

18、G.DThe internetconnected devices in our life.答案：A解析：段落大意题。根据第一段第一句Slowly but surely, were moving closer and closer to 5G world.“缓慢但肯定的是，我们离5G世界越来越近了。”可知，作者在第一段想强调“5G网速快”。故选A。2What does the underlined word “emblem” in Paragraph 2 mean?AExhibition. BSuccess.CSymbol. DExplanation.答案：C解析：词义猜测题。根据第二段中and

19、 that is to say, it is a sign of time“也就是说，这是时间的标志”可知，画线词的意思是“标志，象征”。故选C。3We can infer from the text that _.A5G world wont come without AR glassesB5G helps to create the artificial intelligence vehicleCApple company is developing AR glasses worldwideDTech companies will face the fact that smartphone

20、s may be replaced答案：D解析：推理判断题。根据第三段中This is notable because companies such as Apple are reportedly developing AR glasses to assistor perhaps even replacesmartphones.“这一点值得注意，因为据报道，苹果(Apple)等公司正在开发增强现实眼镜，以帮助甚至取代智能手机。” 可知，我们可以从文中推断，科技公司将面临智能手机可能被取代的事实。故选D。4What will the author probably tell us next?AH

21、ow to fully expand 5G coverage.BSmart glasses will become faster and lighter.CWhy 5G isnt concentrated in big cities.DThe importance of infrastructure construction.答案：A解析：推理判断题。根据最后一段But dont get too excited. Theres still a lot of work to be done in the meantime, including various trials to make sur

22、e the radios play nicely with hardware and infrastructure construction so 5G isnt concentrated only in big cities.“但是不要太激动。与此同时，仍有很多工作要做，包括各种试验，以确保收音机能很好地配合硬件和基础设施建设，这样5G就不会只集中在大城市。”可知，作者接下来可能会告诉我们“如何全面扩大5G覆盖”。故选A。.短文改错To be a volunteer is a great pleasure. Last Sunday, I get up early because I was

23、so excited to sleep any longer. In morning, we arrived at the Happiness Nursing Home. How happily the old people were when they saw us! Then we cleaned the windows or swept the floor for them. Some of us gave some performances to them, such as sing songs and dancing. When it was time for us voluntee

24、rs to leave, we were grateful for our kindness. From this meaningful activity, I have realized that we are supposing to care for the old. In our daily life, we should offer our seat to them on buses and treat our own grandparents more kindly. I sincerely hope more people will join in us.答案To be a vo

25、lunteer is a great pleasure. Last Sunday, I up early because I was excited to sleep any longer. In morning, we arrived at the Happiness Nursing Home. How the old people were when they saw us! Then we cleaned the windows swept the floor for them. Some of us gave some performances to them, such as son

26、gs and dancing. When it was time for us volunteers to leave, were grateful for our kindness. From this meaningful activity, I have realized that we are to care for the old. In our daily life, we should offer our to them on buses and treat our own grandparents more kindly. I sincerely hope more people will join us.