选修八 Unit 2.docx

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1、 选修八 Unit 2基础回顾.单句语法填空(导学号02516340)1The students are forbidden, unless they have special passes,11 pm.2He has a strong objection to smoking (smoke) in public places, especially withfemales present.3Why botheruniversities at home?to stay(stay) out aftergoing/to go(go) abroad to study, when there are

2、so many good4Our strength is from many sources, but most of all, we owe our success to thecreativity of our people.5 Struck (strike) by strong snowstorms, the area faced severe water and electricityshortage.6The best way to undertake big projects is to force (force) them into your schedule.7I have a

3、 sweet tooth and cant resist eating (eat) chocolate and ice cream.8Do you know anyEnglish?differences(differ) between British English and American9Living in the central Australian desert has its problems, of which obtaining (obtain)water is not the least.10We had our furniture moved to the new house

4、 when the decoration (decorate) of thehouse is finished.单句改错(每句一错)(导学号 02516341)1You can go swimming in condition that you dont go too far from the river bank. inon2Some rules should be made to forbid students of smoking. offrom3It suddenly struck to me that we ought to make a new plan. 去掉第一个 to 或st

5、ruckoccurred4No one knows exact how the earth began as it happened so long ago. exactexactly5Owe to a lack of funds, the project will not continue next year. OweOwing.佳句写作(导学号02516342)1这张桌子的问题是放在我们屋里太大了。(The problem of .is that.)答案:The problem of the desk is that its too big for our room.2我们决不会推迟这个计

6、划的执行。(on no condition 放在句首)答案:On no condition will we put off carrying out the plan.3据报道,在那个国家很多工人在罢工。(be on strike)第 1 页 答案:It is reported that many workers are on strike in that country.4那对孪生兄弟在性格方面互不相同。(differ)答案:The twins differ from each other in character.5我反对别人那样跟我说话。(object to)答案:I object to

7、 being spoken to like that.技能提升.阅读理解(导学号02516343)(2019唐山模拟)A new method of delivering data, which uses the visible spectrum ( 光谱)rather than radio waves, has been tested in a working office.Li-fi can deliver Internet access 100 times faster than traditional Wi- fi, offering speeds of upto 1 Gbps (gi

8、gabit per second). It requires a light source, such as a standard LED bulb, an Internetconnection and a photo detector.It was tested this week using a Li-fi-enabled light bulb to transmit data at the speed of 1 Gbps.Laboratory tests have shown theoretical speeds of up to 224 Gpbs. When tested in an

9、office, itallowed workers to access the Internet and in an industrial space,where it provided a smartlighting solution. Chief executive Deepak Solanki said that the technology could reachconsumers “within three or fouryears”The term Li-fi was first coined by Prof. Haas, who demonstrated the technolo

10、gy at aTed conference in 2019. His talk, which has now been watched nearly two million times, showedan LED lamp streaming video. Prof. Haas described a future when billions of light bulbs couldbecome wireless hot spots.One of the big advantages of Li-fi is the fact that, unlike Wi-fi, it does not in

11、terfere with otherradio signals, so could be used on aircraft and in other places where interference is an issue.However, the technology also has its drawbacksmost notably the fact that itcannot be used outdoors in direct sunlight, because that would interfere with its signal. Neither canthe technol

12、ogy travel through walls so initial use is likely to be limited to some places.语篇解读 本文是一篇说明文。本文主要是向读者介绍了一种被称作 Li-fi 的新的传播数据的方式。1Which of the following will be the best title of this passage?AThe drawbacks of traditional Wi-fiBThe advantages of Li-fiCLi-fi 100 times faster than Wi-fiDLi-fi and Wi-fi解

13、析:C 主旨大意题。通读全文内容可判断出,本文主要介绍了一种被称作 Li-fi 的第 2 页 新的传播数据的方式,它的传播速度比 Wi-fi 快一百倍。故选 C。2Which of the following statements is TRUE?ATraditional Wi-fi can reach speeds of up to 1 Gbps.BThe new technology has been put into use by consumers.CDeepak Solanki showed the new technology at a conference in 2019.DLi

14、-fi cant be used without a light source, an Internet connection or a photo detector.解析:D 细节理解题。根据第二段中的“It requires a light source ,such as a standardLED bulb,an Internet connection and a photo detector.”可知,D 项所述内容正确。故选D。3This passage may be _ .Aa piece of newsBa science fictionCa fashion magazineDa

15、product brochure解析:A 推理判断题。根据本文内容可判断。本文主要是向读者介绍了一种被称作Li-fi 的新的传播数据的方式。由此可推断出,本文最有可能是一则新闻。.阅读填句(七选五)(导学号 02516344)根据短文内容,从短文后的选项中选出可以填入空白处的最佳选项。选项中有两项为多余选项。(2019安徽合肥第二次质量检测)Everybody knows the importance of drinking enoughwater. As we all know,drinking water benefits your skin,muscles and organs. _1_

16、The major reason for that is related to human biological needs. When youre a baby,youre 75percent water. Then,as the years get higher,you get drier. _2_ It helps you lose weight,according to a study from the University of Birmingham.The researchers found that drinking 500 ml of water thirty minutes

17、before a meal helpedparticipants lose 10 more pounds than those who did not. _3_ All participants wereadvised to improve their diet and physical activity levels. 84 overweight adults were involved.Among them 41 were told to “preload” with water,while 43 were told to control their water intakebefore

18、eating. After 12 weeks,the participants instructed to “preload” with water lost 2.87 poundsmore than those in the control group on average. In addition, the participants preloading withwater before each of their three main meals every day lost 9.48 pounds over the 12 weeks._4_Dr. Helen Parretti, a l

19、ecturer at the University of Birmingham ,had this to say of the study:_5_ Just drinking 500 ml of water, three times a day, before your main meals may help第 3 页 reduce your weight. and this could be an easy way for weight loss. Furthermore, it can besignificant for an individual to lose extra weight

20、, making a potential contribution topublic health.AAnother reason to drink water is right here.BThe study began with a weight management consultation.CThe beauty of these findings is that losing weight is simple.DBut not everyone can get access to tap water in some areas.EIt also helps prevent certa

21、in diseases and improve your mood.FIn contrast, those preloading once a day or never, lost just 1.76 pounds.GSo kids should drink more water instead of coke to keep healthy.语篇解读 本文讲述了一个研究发现:三餐前喝水有助于减肥。1解析:E 根据上句“众所周知,喝水对你的皮肤、肌肉和器官有好处”可知,空处指喝水的另一个好处,故选 E 项“它还能帮助你预防某些疾病,改善心情”。E 项中的It 指代上文中的“drinking w

22、ater”。2解析:A 根据本段开头的“The major reason for that”和下文内容可知,空处讲的是喝水的另一个原因。故选 A“饮水的另一原因在这儿”。3解析:B 本段讲述研究结果“饭前半小时喝水可以帮助减肥”。空处应选 B 项“这项研究始于一个体重咨询”引出下文实验的具体过程。4解析:F 根据上句“另外,每天三餐前都喝水的实验者 12 周期间减掉了 9.48 磅”可知,选 F 项,与空前一句进行对比,即“相反,那些一天只在一顿饭前喝水或不喝水的人只减掉了 1.76 磅”。5解析:C 根据空前的“had this to say of the study”和上文的实验可知,选

23、C“这些发现的美好之处在于(告诉我们)减肥很简单”。.语法填空(导学号02516345)(2019银川检测)From Monday to Friday, most people are busy working or studying, but inthe evenings and on weekends they are free to relax and enjoy 1. _ (they). Somewatch TV 2. _ go to the cinema. Others take part in sports. There are many differentways 3. _ (s

24、pend) their spare time.Almost everyone has some kind of hobbies. It may be anything from collecting stamps to 4._ (make) model airplanes. Some hobbies are expensive, 5._ others dontcost anything at all. Some 6. _ (collect) are worth a lot of money. Others are valuable第 4 页 only to the owners.I know

25、7. _ man who has a coin collection worth $250. He was very happy abouthis purchase and 8. _ (think) the price was reasonable. On the other hand, myyoungest brother collects matchboxes. He has almost 600 of them but I doubt if they are worth anymoney. However,to my brother they are 9. _ (extreme) val

26、uable. Nothing makes him10. _ (happy) than to find a new matchbox for his collection.This is what a hobby means, I guess. It is something we like to do in our spare time simplyfor fun. The value in dollars is not important. We do it for the pleasure it gives.答案:1.themselves 2.or 3.to spend 4.making5but/while 6.collections 7.a 8.thought9extremely 10.happier第 5 页

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