Unit 6 能力提升单元测试卷(2019)新外研版高中英语高二选择性必修第二册.docx
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1、Unit 6 能力提升2021-2022学年高二英语外研版(2019)选择性必修二单元测试卷本试卷满分120分,考试时间100分钟。第一部分 阅读(共两节,满分50分)第一节 (共15小题;每小题2.5分,满分37.5分)阅读下列短文,从每题所给的A,B,C,D四个选项中选出最佳选项。AA great way to protect yourself from getting infected by COVID-19 is to get a high quality face mask that can better filtrate(过滤)some viruses, bacteria, and
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8、 you order from the official website?A .89.B. 189.5.C. 379.D. 759.3. Whats the purpose of this passage?A. To call on us to fight COVID-19.B. To describe a product called Oxybreath Pro.C. To tell us how to protect us from COVID-19.D. To advertise a product called Oxybreath Pro.B The connection betwee
9、n 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. In another, employees were shown to be 15% more productive when thei
10、r workplaces were decorated with houseplants. The engineers at the Massachusetts Institute of Technology (MIT) have taken it a step further changing the actual composition of plants in order to get them to perform diverse, even unusual functions. These include plants that have sensors printed onto t
11、heir 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 Strano, a professor of chemical engineering at MIT. One of his lates
12、t 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, is just a start. The technology, Strano said, could one day be
13、 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 lifetime. The engineers are also trying to develop an on and off
14、 switch where the glow would fade when exposed to daylight. Lighting accounts for about 1% 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 to street lamps on a remote highwaya lot of energy is lost dur
15、ing transmission (传输). Glowing plants could reduce this distance and therefore help save energy.1.What is the first paragraph mainly 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 sens
16、ors printed on plant leaves by MIT engineers?A.To detect plants lack of water.B.To change compositions of plants.C.To make the life 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 elect
17、ricity to the home.C.They might help reduce energy consumption.D.They could take the place of power plants.4.Which of the following 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
18、made pollution-free?C Alice Moore is a teenager entrepreneur (创业者), who in May 2015 set up her business AilieCandy. By the time she was 13, her company was worth millions of dollars with the invention of a super-sweet treat that could save kids teeth, instead of destroying them. It all began when Mo
19、ore visited a bank with her dad. On the outing, she was offered a candy bar. However, her dad reminded her that sugary treats were bad for her teeth. But Moore was sick of missing out on candies. So she desired to get round the warning. Why cant I make a healthy candy thats good for my teeth so that
20、 my parents cant say no to it? With that in mind, Moore asked her dad if she could start her own candy company. He recommended that she do some research and talk to dentists about what a healthier candy would contain. With her dads permission, she spent the next two years researching online and cond
21、ucting trials to get a recipe that was both tasty and tooth-friendly. She also approached dentists to learn more about teeth cleaning. Consequently, she succeeded in making a kind of candy only using natural sweeteners, which can reduce oral bacteria. Moore then used her savings to get her business
22、off the ground. Afterwards, she and her father secured their first business meeting with a supermarket owner, who finally agreed to sell Moores product CanCandy. As CanCandys success grows, so does Moores credibility as a young entrepreneur. Moore is enthusiastic about the candy she created, and she
23、s also positive about what the future might bring. She hopes that every kid can have a clean mouth and a broad smile. Meanwhile, with her parents help, Moore is generally able to live a normal teenage life. Although she founded her company early on in life, she wasnt driven primarily by profit. Moor
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