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解析:Even plants can run a fever,

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【单选题】

Even plants can run a fever, especially when they are under attack by insects or disease.But{{U}} (71) {{/U}}humans, plants can have their temperature{{U}} (72) {{/U}}from 3,000 feet away—straight up.A、decade ago, {{U}} (73) {{/U}}the infrared (红外线的) scanning technology developed for military purpose and other satellites, physicist Stephen Paley{{U}} (74) {{/U}}a quick way to take the temperature of crops to determine{{U}} (75) {{/U}}ones are under stress. The goal was to let farmers{{U}} (76) {{/U}}target pesticide spraying{{U}} (77) {{/U}}rain poison on a whole field, which{{U}} (78) {{/U}}includes plants that don’t have the pest problem.
Even better, Paley’s Remote Scanning ServicesCompany could detect crop problem before they became{{U}} (79) {{/U}}to the eye. Mounted on a plane flown at 3,000 feet{{U}} (80) {{/U}}, an infrared scanner measured the heat emitted by crops. The data were{{U}} (81) {{/U}}. into a color-coded map showing{{U}} (82) {{/U}}plants were running "fevers". Farmers could then spot spray, using 50 to 70 percent less pesticide than they{{U}} (83) {{/U}}woulD、
The bad news is that Paley’s company closed down in 1984, after only three years. Farmers{{U}} (84) {{/U}}the new technology and long-term backers were hard{{U}} (85) {{/U}}.But with the renewed concern about pesticides on produce, and refinements in infrared scanning, Paley hopes to{{U}} (86) {{/U}}into operation.Agriculture experts have no doubt the technology works. "This technique can be used{{U}} (87) {{/U}}75 percent of agricultural land in the United States," says George Oerther of TexasA&M. Ray Jackson, who recently retired from theDepartment ofAgriculture, thinks{{U}} (88) {{/U}}infrared crop scanning could be adopted by the end of the decade, but{{U}} (89) {{/U}}Paley finds the financial backing{{U}} (90) {{/U}}he failed to obtain 10 years ago.
A.as
B.with
C.like
D.unlike

网考网参考答案:D
网考网解析:

语法题,unlike,介词,根据下文,植物的体温可以从3,000英尺外被测到,绝对不同于人类,故选项D unlike正确。其他选项:A as;B with和C like均不符合题意。 document.getElementById("warp").style.display="none"; document.getElementById("content").style.display="block"; 查看试题解析出处>>

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