B. consulting infrared scanning experts
C. transforming poisoned rain
D. detecting crop problems at an early stage
.The application of infrared 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 production
.Infrared scanning technology may be brought back into operation because of_____________.
A. the desire of farmers to improve the quality of their produce
B. growing concern about the excessive use of pesticides on crops
C. the forceful promotion by the Department of Agriculture
D. full support from agricultural experts
[全解全析] 41—45 CDACB
本篇是一篇说明文,主要介绍了将原用于军事和卫星的红外线扫描技术运用于农业的前景,人们为此所做出的努力及遇到的困难。
.C。细节理解题。依据文章第二自然段第2行“...an infrared scanner measured the heat emitted by crops.The data were transformed into a color-coded map showing where plants were running‘fevers’”,说明植物在发“高烧”,也就是说,“身体状况”不佳时才会散发热,所以选项C符合题意。
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