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1、2020年高考英语语法和题型考前一遍过15 科学技术步骤内容（数量）Parti真题再现2019全国卷1 2019全国卷2 2019全国卷3Part2考点梳理技巧点拨Part3模拟在线睡眠对人好处，充足睡眠是提高学习成绩的关键开发虚拟旅行技术Part 1真题再现真题1C【2019全国I】As data and identity theft becomes more and more common, the market is growing for biometric生物测 量）technologieslike fingerprint scansto keep others out of pri
2、vate 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 measures the cadence节奏）with which one types and the pressure fin
3、gers 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 peoples identities, and by extension, whether they should be g
4、iven 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 differently.In a study describing the technology, the researchers h
5、ad 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 the keyboard should be pretty straightforward to commercialize and
6、 is mostly made of inexpensive, plastic-like parts. The team hopes to make it to market in thenear future.28. Why do the researchers develop the smart keyboard?A. To reduce pressure on keys.B. To improve accuracy in typingC. To replace the password system.D. To cut the cost of e-space protection.29.
7、 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. Data security measures are guaranteed.30. What do the researchers expect of the smart keyboard？all 1o sois
8、gitieoco oll.A. Itll be environment-friendly.C. Itll be made of plasticsB. Itll reach consumers soon.D. Itll help speed up typing.31. Where is this text most likely from?A. A diary. B. A guidebook C. A novel. D. A magazine.2.D【2019全国II】Bacteria are an annoying problem for astronauts. The microorgani
9、sms微生物）from our bodies grow uncontrollably on surfaces of the International Space Station, so astronauts spend hours cleaning them up each week. How is NASA overcoming this very tiny big problem? Its turning to a bunch of high school kids. But not just any kids. It depending on NASA HUNCH high schoo
10、l class, like the one science teachers Gene Gordon and Donna Himmelberg lead at Fairport High School in Fairport, New York.HUNCH is designed to connect high school classrooms with NASA engineers. For the past two years,Gordons students have been studying ways to kill bacteria in zero gravity, andthe
11、y think theyre close to a solution（解决方案）.“We dont give the students any breaks. They have to do it just like NASA engineers, says Florence Gold, a project manager.“There are no tests,” Gordon says. “There is no graded homework. There almost are nogrades, other thanAre you working towards your goal?
12、Basically, its Ive got to produce this product and then, at the end of year, present it to NASA. Engineers come and really do an in-person review, and. .its not a very nice thing at time. Its a hard business review of your product.”Gordon says the HUNCH program has an impact（影 响）on college admission
13、s and practical life skills. “Thesekids are so absorbed in their studies that I just sit back. I dont teach.” And that annoying bacteria? Gordon sayshisstudents are emailing daily with NASA engineers about the problem, readying a workable solution to test in space.32. What do we know about the bacte
14、ria in the International Space Station?A. They are hard to get rid of.B. They lead to air pollution.C. They appear different forms.D. They damage the instruments.33. What is the purpose of the HUNCH program?A. To strengthen teacher-student relationshipsB. To sharpen students communication skills.C.
15、To allow students to experience zero gravity.D. To link space technology with school education34. What do the NASA engineers do for the students in the program?A. Check their product.B. Guide project designsC. Adjust work schedules.D. Grade their homework.35. What is the best title for the text?A. N
16、ASA: The Home of Astronauts.B. Space: The Final Homework Frontier.C. Nature: An Outdoor Classroom.D. HUNCH:A College Admission Reform.3.D【2019全国III】Monkeys seem to have a way with numbers.A team of researchers trained three Rhesus monkeys to associate 26 clearly different symbols consisting of numbers and sel
