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1、课时提能练(七)必修 2Unit 4Cyberspace (A)I .阅读理解A（2021 安徽省局部重点学校联考）Remember Vitaminwaters free of rolling screens for a year challenge that people to be free from smait phones for a whole year wi11 win $100, 000? Well, Elana Mugdan, a New York woman, has been into it for eight months, and just four months aw
2、ay from claiming the grand prize.Vitaminwater made news headlines last December when it announced its unique challenge. Thousands of people applied to be chosen as the perfect candidate to spend a year without touching their smart phones, but in the end, the only person who got to try and survived f
3、or an entire year without a handheld smart phone was Elana Mugdan, a 29-year-old fiction writer from Queens, New York. Eight months into the challenge, she claims it has been a free and eye-opening experience that shows her just how dependent she becomes on her smart phone. Even though there are tim
4、es when she misses her handheld smart phone, she plans to go on living without it even after the challenge ends, because she rea 11 y cloesn, t want to go back to days when she overused it, wasted time, stayed up all hours of the night on it and was obsessed with social media.But not having access t
5、o her smart phone really made certain situations a lot harder than she could have imagined them before. Many people did me a favor. However, once, I ci 1 most get stranded （被滞留的）in the Sea-Tac Airport because the phone number r d written down was wrong, and I had no way of referring to the right one
6、, no way of calling a cab, and no one in the state who could help me, “ the young writer said.ut she learned to overcome these situations. And now she claims the last eight months of phone-free life have been one of the best adventures of her life and that she* 11 keep it for another four months.【语篇
7、解读】文章讲述了 Elana Mugdan在参加Vi taminwater发起的一年不用的挑战过程中，所遇到的困难及其感受。1. Whats the challenge afree of rolling screens for a year” ?A. People free from smart phones can live a richer life.B. People living a telephone-free life can be awarded money every year.C. People living without computers for a year will
8、 win a grand prize.D. People spending a year free from smart phones wi11 get a reward.D 细节理解题。根据第一段笫一句中的challenge that people to be free from is 91 and still has “blonde” hair and why not? 1 just wish more of us would feel that it is OK to be ourselves, because going gray has done more for me than s
9、aving me time and money.I like my natural hair, just as it is. I like how it has got curly again.11 is recovering after years of being damaged by chemicals.I also like that it has given me some needed attitude in a society that makes youth seem so important, while being against maturity. It reminds
10、me that Im not a kid anymore and this isn t a bad thing. Not being a kid anymore means I read the books I want, and not the books I feel I should read.It means not wasting my time at events I don* t need to attend when Id rather be with my family and friends.When I see my hair in the mirror, its a r
11、eminder that my time is limited, and I should spend it doing what matters. Theres nothing shameful about growing older. And pretending its not happening is a way of giving up our power.I see my gray hair as a little act of rebellionagainst the idea that people lose value as they age, instead of gain
12、ing it. I see gray hair as my flag and Im letting it fly proudly.【语篇解读】 文章开头作者表达了自己虽然头发变白但不再染发，从而受到别人的好 评的经历，接着表达了自己对变老的看法。作者认为染发浪费金钱和时间，追求自然、重视 因年龄增长而带来的智慧才是重要的。4. How does the author feel about coloring hair?A. 11 shows people* s great courage.B. It is a good way to hold onto youth.C. It shows wis
13、dom and accomplishments.1) . 11 costs much money and it takes much time to do that.D 细节理解题。根据第二段，尤其是该段中的It was expensive and time-consuming可知，作者认为染发花费很多金钱且费时。5. What should we do when we grow old according to the author?A. Give up our power.B. Pretend to be still young.C. Accept it and act positivel
14、y.D. Read as many books as possible.C 推理判断题。根据第四段，尤其是最后一句I just wish more of us would feel that it is OK to be ourselves, because going gray has done more for me than saving me time and money”和第六段中的I should spend it doing what matters”以及第七段 的最后一句可推知，根据作者的观点，当我们变老时我们应该接受它并采取积极的行动。6. What is the autho
15、r* s main purpose in writing this passage?A. To explain why youth is valued.B. To share her opinion on growing older.C. To stress the importance of different attitudes.D. To analyze the advantages and disadvantages of aging.B 写作意图题。本文作者首先表达自己虽然头发变白但不再染发，从而受到别人的好 评的经历，然后表达自己对变老的看法一一染发浪费金钱和时间，追求自然、重视因
16、年龄增 长而带来的智慧才是重要的。由此可推知，作者写本文的目的是提供她对变老的看法。7. Which can be the best title for the passage?A. Holding onto YouthB. Dyeing Your HairC. Gaining Value with AgeD. Valuing Wisdom of AgeD 标题归纳题。根据全文的内容，尤其是最后一段第一句I see my gray hair as a little act of rebellion（反叛）against the idea that people lose value as th
17、ey age, instead of gaining it可知，D项“重视因年龄增长而带来的智慧最适合作文章标题。H.阅读七选五123_The brighter the screen is, the higher the radiation will be.You can also put some radiati on-absorb! ng plants such as several cacti （仙人 掌）near your computer to prevent radiation.4_What* s more, wash your face soon after using the
18、computer in order to reduce 70% of the radiation.5 An old computer in general has one to two times more radiation released than the new one within the same distance.A. And adjust the brightness of your computer screen.B. It also helps our eyes see things clearly in the dark by improving the visual a
19、bility.C. And adjust the sound level on your computer.D. The most efficient way is by drinking some coffee regularly.E. If possible, purchase a new computer instead of using an old computer.F. The simplest way is by drinking two or three cups of green tea every day.G. For example, apply a face mask
20、to protect yourself.【语篇解读】本文主要介绍了减少电脑辐射的方法，包括每天喝绿茶、调整电脑屏幕 的亮度、做好皮肤护理、在电脑附近放吸收辐射的植物以及尽可能使用新电脑。1. F 根据空后一句Green tea can be absorbed by the body easily into a form of vitamin A, which helps reduce radiation可知，绿茶被人体吸收后容易转化为维生 素A,有助于减少辐射；据此可推知，空处应是介绍关于减少电脑辐射的建议之一：喝绿茶， 故F项正确。2. B 由空前一句可知，绿茶被人体吸收后容易转化为维生素A
21、,有助于减少辐射；并 结合语境可推知，空处应是介绍绿茶的其他好处，故B项与此处匹配。3. A 根据空后一句The brighter the screen is, the higher the radiation will bc可知，电脑屏幕越亮那么辐射越强；据此可推知，空处应是建议调整电脑屏幕亮度，故A 项正确。4. G 根据空前一句 Make sure you take measures to protect your skin before sitting in front of the computer可知，要确保坐在电脑之前已采取措施保护你的皮肤; 据此可知，空处应是介绍具体的措施，故
22、G项与此处匹配。5. E 根据空后一句 An old computer in general has one to two times more radiation released than the new one within the same distance” 可知，通常来说，在 相同的距离内，旧电脑的辐射量是新电脑的一至两倍；据此可推知，该段应是建议尽可能使 用新电脑，故E项正确。IH.语法填空(2021 ,南昌市高三摸底测试卷)Many athletes have been told that smiling while1.(sweat) wi 11 make their effo
23、rts feel easier. A marathon runner smi led widely through the final miles of his fastest-ever marathon； afterward, he said what he had hoped 2. (be) that the smiling would relax him to the finish line. But there has been little solid scientific evidence to support this idea. 1 n recent years several
24、 studies 3. (examine) whether deliberately smiling can make changes to how people feel psychologically during races. 4.few have looked at the physical effect 5. sports performance.Researchers decided 6. (gather) a group of experienced recreational runners and have them alternately smile broadly as t
25、hey ran. Many of the runners found it difficult to smile throughout the whole session, though. Their smiles became 7. (increase) fixed and unnatural. Such false smiles make 8. (few) facial muscles (肌肉)start working than the sincere version and most likely result in less 9. (relax) and performance im
26、provement. So the key to using a happy smi le to make you 10.better runner may be to smile sincerely and often near a races end, but in 30-second bursts, rather than constantly.【语篇解读】文章主要介绍了运动时微笑的作用以及如何微笑效果更好。1. sweating 考查动名词。分析句子结构并结合语境可知，空处与smi 1 ing为同时发 生的动作，表示出着汗微笑着，故填sweating。2. was 考查主谓一致和时态。
27、分析句子结构可知，空处作谓语，其主语为“what he had hoped,故谓语动词应用单数形式；且根据该句中的“said”可知，此处应用一般过去时， 故填was。3. have examined 考查动词的时态。根据句中的时间状语In recent years可知，应 该用现在完成时，且主语“several studies*为复数，故填have examined。4. But 考查连词。根据空后的“few”可知，此处和前一句构成转折关系，故填But。5. on 考查介词。此处考查固定搭配effect on sth. “对的影响。6. to gather 考查动词不定式。此处考查固定用法de
28、cide to do sth. “决定做某事， 所以用 to gather,7. increasingly 考查副词。副词修饰形容词,故用副词increasingly修饰其后的 “fixed and unnatural。8. fewer 考查比较级。根据该句中的“than”可知，此处表示比较的含义，故用比较 级 fewer9. relaxation 考查词形转换。由该空后的and可知，空处与名词词组performance improvement 并列，故填名词 relaxation。10. a 考杳冠词。此处表示使你成为一个更好的赛跑运发动，且better的发音以辅音 音素开头，故填a。IV.
29、短文改错（2021 太原市阶段性测评）1 was a sweet and loving girl during I was very young. Unfortunate, things changed. 11 al 1 started when I was gi ven smartphone in the eighth grade by a good friend. I became fond of watching movies, chat online and pkiying addictive games. Naturally, I couldn* t make progresses
30、in my study any more. What* s worse, I spent fewer time in communicating with my parents. Thus, al 1 of them were worried which has to go two ways i f an i tem is rented-recei ving and returning. Cline writes that consumer transportation has the second largest Ccirbon footprint of our collective fas
31、hion habit after manufacturing.She writes, “An item ordered online and then returned can release 20 kilograms of carbon each way, and iincreases up to 50 ki 1 ograms for rush shipping. By comparison, the carbon impact of a pair of jeans purchased from a physical store and washed and worn at home is
32、33. 4 kilograms, according to a 2021 study by Levis.Then there, s the burden of washing, which has to happen for every item when its returned, regardless of whether or not it was worn. For most rental services, this usually means dry-cleaning, a high-impact and polluting process. All the rental serv
33、ices that Cline looked into have replaced perchlorocthylcnc （全氯乙烯），a carcinogenic （致癌的）air pollutant, still used by 70 percent of US dry cleaners, with alternatives, although these aren* t great either.Lastly, Cline fears that rental services will increase our appetite for fast fashion, simply becau
34、se its so easily accessible. There，s something called “sharewashing“ that makes people waste more precisely because a product or service is shared and thus is regarded as more eco-friendly. Uber is one example of this, advertised as “a way to share rides and limit car ownership” , and yet “it has be
35、en proven to discourage walking, bicycling, and public transportation use.Renting clothes is still preferable to buying them cheap and throwing them in the dustbin after wearing few times, but wo shouldn* t let the availability of these services make us too satisfied. There* s an even better step -t
36、hats wearing what i s already in the closet.【语篇解读】服装租赁是新兴的热门行业，零售商希望以此吸引环保消费者。可是， 该行业并不像它看起来的那样绿色环保。它包含的运输环节要比在实体店里买一件衣服然后 在家里洗和穿释放的碳多；清洗环节也会污染环境：而且它可能会使我们更追求快时尚从而 浪费得更多。最环保的做法是穿衣橱里本来就有的衣服。5. What is Elizabeth Clines attitude toward clothing rental?A. Approving.B. Unfavorable.C. Objective.D. Enthusi
37、astic.B 推理判断题。根据第二段第二句可知，Cline得出的结论是，这个行业并不像它看 起来的那样环保；并结合第三至第六段表述的Cline得出这种结论的原因可推知，Cline并不 支持服装租赁，B项意为“不赞成的，否认的，不喜欢的，故B项正确。C项意为“客观的”， 与文意不符。6. The Uber example in Paragraph 6 indicates that .A. rental services are on the riseB. clothing rental will be as successful as UberC. renting clothes might
38、waste more than expectedD. renting clothes might make people lose interest in fast fashionC 推理判断题。根据第六段第二句可知，因为一种产品或效劳是共享的，因此就被认 为更环保，但这却使人们浪费得更多。接着下文列举了 Uber的例子一一它被宣传为一种共享 出行并限制汽车拥有权的方式，但是最终证明它阻碍了步行、骑自行车和公共交通的使用， 由此可推知，举Uber这个例子说明了服装租赁造成的浪费可能比我们想象的多，故C项正确。7. The author suggests that we should .A. g
39、ive up renting clothesB. purchase inexpensive clothesC. rent clothes rather than buy themD. make full use of clothes weve possessedD 细节理解题。根据尾段尾句Theres an even better stepthat* s wearing what is already in the closet可知，作者认为更绿色环保的方法是穿衣橱里已经有的衣服， 故D项正确。8. What is the passage mainly about?A. Clothing rental is a new fashion.B. Clothing rental is retailers* preference.C. Renting clothes is not that eco-friendly.D. Renting-clothes business is in a di 1 enuna.C 主旨大意题。通读全文可知，本文第一段引入话题；第二段提出论点一一服装租赁 业其实并非像它看起来的那样绿色环保；接着第三至第六段给出了论据来支持这一论点；最 后一段作者进行总结并给出建议。由此可知，C项符合文意。II.完形填空（2021 广州市高三年级阶段训练）Thr