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Even plants can run a fever, especially when they are under attack by insects or disease. But (1)_____ humans, plants can have t
Even plants can run a fever, especially when they are under attack by insects or disease. But (1)_____ humans, plants can have t
admin
2014-06-13
14
问题
Even plants can run a fever, especially when they are under attack by insects or disease. But (1)_____ humans, plants can have their temperature (2)_____ from 3,000 feet away—straight up. A decade ago, (3)_____ the infrared scanning technology developed for military purpose and other satellites, physicist Stephen Paley (4)_____ a quick way to take the temperature of crops to determine (5)_____ ones are under stress. The goal was to let farmer (6)_____ target pesticide spraying (7)_____ rain poison on a whole field, which (8)_____ include plants that don’t have the pest problem.
Even better, Paley’s Remote Scanning Services Company could detect crop problem before they became (9)_____ to the eye. Mounted on a plane flown at 3,000 fee (10)_____, an infrared scanner measured the heat emitted by crops. The data were (11)_____ into a color-coded map showing (12)_____ plants were running "fevers". Farmers could then spot spray, using 50 to 70 percent less pesticide than they (13)_____ would.
The bad news is that Paley’s company closed down in 1984, after only three years. Farmers (14)_____ the new technology and long-term backers were hard (15)_____. But with the renewed concern about pesticides on produce, and refinements in infrared scanning, Paley hopes to (16)_____ into operation. Agriculture experts have no doubt about the technology works. "This technique can be used (17)_____ 75 percent of agricultural land in the United States", says George Oerther of Texas A&M. Ray Jackson, who recently retired from the Department of Agriculture, thinks (18)_____ infrared crop scanning could be adopted by the end of the decade. But (19)_____ Paley finds the financial backing (20)_____ he failed to obtain 10 years ago.
选项
A、otherwise
B、still
C、thus
D、therefore
答案
A
解析
此题属于语篇衔接。otherwise表示"不同地,用别的方法",如:I hate him and I won’t pretend otherwise.(我恨他,而且我也不假装)。根据原文,定点喷洒农药是采用其他方法所耗农药的50~70%,所以选项otherwise正确。其他选项均不符合题意。全句可译为:这样,农民针对病害定点喷洒所耗的农药是采用其他方法所需农药的50~70%。
转载请注明原文地址:https://kaotiyun.com/show/FoK4777K
0
考研英语一
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