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
2、developed 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 invar
3、iably 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 transf
4、ormed 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
5、 backers 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 Sta
6、tes, ” says George Oerther of Texas A 1-5 ACBDB 6-10 CADBC 11-15 ABBAA 16-20 DCDBD首字母填空:1. charismatic 2.launched 3.claimed 4. anticipation 5.crushed 6.recommend 7.possessions 8.motion 9.convey 10.hopped短语选变填:1. in possession of 2. to speed up 3.got down to 4. is restricted to 5. appealing to 6. fix
7、ed on 7. was conscious of 8. draw up 9. were turned away 10. take over单句语法填空:1.turning to 2. it 3. curiosity 4. lying 5. had been 6. stood some protesters 7. to participate 8. to think 9. counting 10. that单句改错1. that 改成 it 2.close 改成 closely 3.去掉第二个 to 4.去掉 the5.fixing 改成 fixed 6. no 改成 not 7. is 改成 were 8. you 增加 them 或 you 前加 been 9.wont 改成 wouldnt 10.去掉 the