新東方：英語(yǔ)四級(jí)考試閱讀30天學(xué)習(xí)筆記

　　注：when /as/ if 為條件句引導(dǎo)詞，定位條件句

　　37. In order to apply pesticide spraying precisely, we can use infrared scanning to _________.

　　A) locate the problem area

　　B) draw a color-coded map

　　C) measure the size of the affected area

　　D) estimate the damage to the crops

　　38. Farmers can save a considerable amount of pesticide by _________.

　　A) transforming poisoned rain

　　B) consulting infrared scanning experts

　　C) resorting to spot-spraying

　　D) detecting crop problems at an early date

　　39. The application of infrared scanning technology to agriculture met with some difficulties due to ______.

　　A) the lack of official support

　　B) its high cost

　　C) its failure to help increase production

　　D) the lack of financial support

　　注：考因果關(guān)系

　　40. Infrared scanning technology may be brought back into operation because of ________.

　　A) growing concern about the excessive use of pesticides on crops

　　B) the desire of farmers to improve the quality of their produce

　　C) the forceful promotion by the Department of Agriculture

　　D) full support from agriculture experts

　　注：back into operation 重操舊業(yè)

　　Questions 36 to 40 are based on the following passage:

　　Even plants can run a fever, especially when they're under attack by insects or disease. But unlike humans, plants can have their temperature taken from 3, 000 feet away - straight up. A decade ago, adapting the infrared (紅外線(xiàn)) scanning technology 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 (殺蟲(chóng)劑) spraying rather than rain poison on a whole field, which invariably includes plants that don't have pest (害蟲(chóng)) problems.

　　注：1.文章首句提出問(wèn)題：植物受到病蟲(chóng)害侵?jǐn)_會(huì)發(fā)燒

　　2.straight up 高空

　　3.adapt 使用，適用

　　4.come up with 提出(方案、計(jì)劃)

　　5.precisely 準(zhǔn)確的、精確的

　　6.spray 噴射

　　Even better, Paley's 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 transformed 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.