2022版高考英语 Unit 3 Life in the future 高考练(含解析)新人教版必修5.docx
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1、Unit 3 Life in the future五年高考练.阅读理解A(2020全国,D,)The connection between people and plants has long been the subject of scientific research. Recent studies have found positive effects. A study conducted in Youngstown, Ohio, for example, discovered that greener areas of the city experienced less crime.
2、In another, employees were shown to be 15% more productive when their workplaces were decorated with houseplants.The engineers at the Massachusetts Institute of Technology(MIT)have taken it a step furtherchanging the actual composition of plants in order to get them to perform diverse, even unusual
3、functions. These include plants that have sensors printed onto their leaves to show when theyre short of water and a plant that can detect harmful chemicals in groundwater. “Were thinking about how we can engineer plants to replace functions of the things that we use every day,”explained Michael Str
4、ano, a professor of chemical engineering at MIT.One of his latest projects has been to make plants glow(发光)in experiments using some common vegetables. Stranos team found that they could create a faint light for three-and-a-half hours. The light, about one-thousandth of the amount needed to read by,
5、 is just a start. The technology, Strano said, could one day be used to light the rooms or even to turn trees into self-powered street lamps.In the future, the team hopes to develop a version of the technology that can be sprayed onto plant leaves in a one-off treatment that would last the plants li
6、fetime. The engineers are also trying to develop an on and off “switch”where the glow would fade when exposed to daylight.Lighting accounts for about 7% of the total electricity consumed in the US. Since lighting is often far removed from the power source(电源)such as the distance from a power plant t
7、o street lamps on a remote highwaya lot of energy is lost during transmission(传输). Glowing plants could reduce this distance and therefore help save energy.1.institute n.机构position n.成分;组成3.diverse adj.多样性的4.sensor n.传感器5.spray vt.喷洒6.account for占数量;解释7.remote adj.偏远的1.What is the first paragraph ma
8、inly about?A.A new study of different plants.B.A big fall in crime rates.C.Employees from various workplaces.D.Benefits from green plants.2.What is the function of the sensors printed on plant leaves by MIT engineers?A.To detect plants lack of water.B.To change compositions of plants.C.To make the l
9、ife of plants longer.D.To test chemicals in plants.3.What can we expect of the glowing plants in the future?A.They will speed up energy production.B.They may transmit electricity to the home.C.They might help reduce energy consumption.D.They could take the place of power plants.4.Which of the follow
10、ing can be the best title for the text?A.Can we grow more glowing plants?B.How do we live with glowing plants?C.Could glowing plants replace lamps?D.How are glowing plants made pollution-free?B(2019课标全国,C,)As data and identity theft becomes more and more common, the market is growing for biometric(生
11、物测量)technologieslike fingerprint scansto keep others out of private e-spaces. At present, these technologies are still expensive, though.Researchers from Georgia Tech say that they have come up with a low-cost device(装置)that gets around this problem:a smart keyboard. This smart keyboard precisely me
12、asures the cadence(节奏)with which one types and the pressure fingers apply to each key. The keyboard could offer a strong layer of security by analyzing things like the force of a users typing and the time between key presses. These patterns are unique to each person. Thus, the keyboard can determine
13、 peoples identities, and by extension, whether they should be given access to the computer its connected toregardless of whether someone gets the password right.It also doesnt require a new type of technology that people arent already familiar with. Everybody uses a keyboard and everybody types diff
14、erently.In a study describing the technology, the researchers had 100 volunteers type the word “touch” four times using the smart keyboard. Data collected from the device could be used to recognize different participants based on how they typed, with very low error rates. The researchers say that th
15、e keyboard should be pretty straightforward to commercialize and is mostly made of inexpensive, plastic-like parts. The team hopes to make it to market in the near future.1.security n.安全2.regardless of不管;不顾3.password n.密码5.Why do the researchers develop the smart keyboard?A.To reduce pressure on key
16、s.B.To improve accuracy in typing.C.To replace the password system.D.To cut the cost of e-space protection.6.What makes the invention of the smart keyboard possible?A.Computers are much easier to operate.B.Fingerprint scanning techniques develop fast.C.Typing patterns vary from person to person.D.Da
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