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1、主题语境阅读：科学与技术主题习题 高考英语备考. 补全信息素养视角：蓝光We humans love to stare into our smart devices. We gaze for hoursabout 10 hours and 39 minutes a dayat our computers， smart phones， tablets and televisions.1It might be mainly because as we stare at our devices we are exposing ourselves to blue light.Blue light is
2、 a type of electromagnetic（电磁的） radiation with a very short wavelength that produces a high amount of energy. While its true that light can damage our eyes under certain circumstances， theres no scientific evidence suggesting that blue light is harmful to our eyes. But many people still think it is，
3、 which is why blue-light-blocking glasses are so popular.2Dr. Rahul Khurana， clinical spokesman for the American Academy of Ophthalmology， told Business Insider， “ 3However， theres no evidence that it may be causing serious damage.”4In fact， the sun is the largest source of blue light. Moreover， blu
4、e light is also present in LED light. But if blue light isnt harmful， then why are we constantly rubbing our eyes when were looking at our screens？ The answer is eyestrain（眼疲劳）： More than 60 percent of people experience eye problems associated with digital eyestrain. And blue light， it seems， isnt t
5、he cause. Instead， our eyes are so strained because most of us blink less when we stare at our digital devices.5A. So do the glasses work？B. Is all this staring bad for us？C. Blue light exposure is nothing new.D. Visible blue light is much more complex than you might think it is.E. In our day-to-day
6、 lives， we are exposed to both visible and invisible light.F. Everyone is very concerned that blue light may be causing damage to the eyes.G. So if eyestrain is the issue， blue-light-blocking glasses are probably of little use. 语法填空素养视角：飞行汽车Two weeks ago， we reported about developments of electric p
7、lanes and flying cars. That technology could bring change to commercial and 1.（person） travel. Last week， two companies， Kitty Hawk and Uber， announced their plans 2.（bring） flying cars to reality.3.（soon） than you think， flying cars may appear in the skies. Imagine never 4. （have） to worry about tr
8、affic， stoplights， or road construction. A flying car could get somewhere much faster than 5. traveling by road.Kitty Hawk is a startup tech company 6.（support） by Google cofounder. Its first flying cars， 7. travel at a speed of up to 40 kilometers an hour， are expected to go on sale very soon. Uber
9、 expects to launch flying taxis in Texas and Dubai by 2020. It says its flying taxis could travel up to 241 kilometers an hour， 8. the travel time reduced from 2 hours on the road to 15 minutes in the air between San Francisco and San Jose， California. Riders could use the Uber app to book a flying
10、taxi to take them to their 9.（destination）. It 10.（estimate） that flying taxi travel will be much more expensive compared with road taxi travel. 书面表达素养视角：科技改变未来生活假定你是李华，某英文报社正在举行题为“科技改变我们未来的生活”的征文活动，要求同学们想象科技将如何改变我们的生活环境、工作和休闲方式。请根据你的畅想用英语写一篇短文。注意：1. 词数100左右;2. 可以适当增加细节，以使行文连贯;3. 开头已为你写好，不计入总词数。With
11、 the development of science and technology，科学与技术 答案. 补全信息【语篇解读】本文是一篇说明文。文章主要向我们描述了蓝光是一种能产生大量能量的短波长的电磁辐射。人们错误地认为蓝光会对眼睛造成伤害，所以这导致了防蓝光眼镜的流行。文章还解释了眼睛疲劳的真正原因，以及蓝色遮光镜可能是没用的。15 BAFCG. 语法填空【语篇解读】本文是一篇说明文。文章介绍了飞行汽车不再是梦想，小鹰和优步两家公司设计的飞行汽车可能很快就可以上市了。1. personal 2. to bring 3. Sooner 4. having 5. one 6. supporte
12、d 7. which 8. with9. destinations 10. is estimated. 书面表达With the development of science and technology， our life in the future will be quite different from what it is now.At that time， well live in a more beautiful world with trees， birds， blue skies and sunshine. Moreover， well be able to arrange m
13、any things with our smart phones. Robots will be able to do most of the housework for us. As for work， well mostly work online at home. If necessary， well have video meetings with our partners around the world. During our free time， well be able to travel to places of interest in new vehicles. Well even enjoy space trips to the moon and other planets.In short， our life will become more and more comfortable and convenient.学科网（北京）股份有限公司