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1、成都外国语学校18-19下期高二英语3月考试 （EIM Unit 3, B6 Unit2）I.阅读理解：（2）Even plant can run a fever, especially when theyre under attack by insects or disease. But unlike human, plants can have their temperature taken from 3, 000 feet away straight up. A decade ago, adopting the infrared （红外线）scanning technology deve
2、loped for military purposes and other satellites, physicist Stephen Paley came up with a quick way to take the temperature of crops to determine which ones are under stress. The goal was to let farmers precisely target pesticide （杀虫剂）spraying rather than rain poison on a whole field, which invariabl
3、y includes plants that dont have pest （害虫）problems.Even better, Paleys Remote Scanning Services Company could detect crop problems before they became visible to the eye. Mounted on a plane flown at 3, 000 feet at night, an infrared scanner measured the heat emitted by crops. The data were transforme
4、d into a color-coded map showing where plants were running “fevers”. Farmers could then spot-spray, using 50 to 70 percent less pesticide than they otherwise would.The bad news is that Paleys company closed down in 1984, after only three years. Farmers resisted the new technology and long - term bac
5、kers were hard to find. But with the renewed concern about pesticides on produce, and refinements in infrared scanning, Paley hopes to get back into operation. Agriculture experts have no doubt the technology works. “This technique can be used on 75 percent of agricultural land in the United States,
6、 ” says George Oerther of Texas A & M. Ray Jackson , who recently retired from the Department of Agriculture, thinks remote infrared crop scanning could be adopted by the end of the decade. But only if Paley finds the financial backing which he failed to obtain 10 years ago.1. Plants will emit an in
7、creased amount of heat when they are _. A. sprayed with pesticidesB. facing an infrared scanner C. in poor physical conditionD. exposed to excessive sun rays2. In order to apply pesticide spraying precisely, we can use infrared scanning to_. A. estimate the damage to the crops B. measure the size of
8、 the affected area C. draw a color-coded map D. locate the problem area3. Farmers can save a considerable amount of pesticide by_. A. resorting to spot-spraying B. consulting infrared scanning experts C. transforming poisoned rain D. detecting crop problems at an early stage4. The application of inf
9、rared scanning technology to agriculture met with some difficulties_. A. the lack of official support B. its high cost C. the lack of financial support D. its failure to help increase production5. Infrared scanning technology may be brought back into operation because of_.A. the desire of farmers to
10、 improve the quality of their produceB. growing concern about the excessive use of pesticides on cropsC. the forceful promotion by the Department of AgricultureD. full support from agricultural expertsII.完型填空（1.5）When 12 girls from San Fernando High School in California received a grant (经费) to deve
11、lop an invention to solve a real-world problem, they decided to create a solar-powered shelter to help the homeless.For over a year, the girls have been using all their free time to complete the _1_“They have this amazing internal (内心的) 2 that Ive never seen in any individual,” Violet Mardirosian, a
12、 teacher at San Fernando High who is 3 with the team on the project, told The Huffington Post. “I thought 4_ that maybe some of them would give up, say I didnt 5 _ this much work, but they havent. Theyre just working hard and theyre not giving up and theyre super 6 _ .”Living in a low-income communi
13、ty, the girls have seen the 7 of homelessness first-hand. Many of them are from immigrant families and hoped the 8 , which is powered by rechargeable solar panels (控制板), would help the 9 .Seventeen-year-old Maggie Mejia told the Huffington Post that 10 she had no previous 11 experience, the girls fi
14、gured out as a team how to 12 the shelter using how-to videos and books that taught them how to code. But the most important 13 shes learned during the project isnt technical.“Ive learned a lot about 14 others, helping the community and being selfless and showing a better world to other people and 1
15、5 someone elses life,” she said. The project was carried out with DIY Girls, a nonprofit that helps fund STEM science, technology, engineering and math projects for 16 .Mardirosian said all the participating students have 17 their interest in STEM through this project.“Many of them didnt think about engineering before. They thought maybe theyre not 18 out to be an engineer. But working together, now they 19 their skill whether a writing skill or a drawing
