D. A model can hardly be successful without a good agent.
63. Models often put “Secretary” or “Businessman” instead of “Model” in their passports because __________________.
A. they want to avoid being stopped to sign their names by fans
B. a person with the occupation of a model is easily attacked by black societies
C. models are sometimes looked down upon
D. secretaries and businessmen are free of custom duty
64. What may be the author’s attitude towards modeling?
A. It is a worthwhile life for a young lady or a young man.
B. He is in favor of young people to try modeling.
C. Before being crazy about a model job, young people should be aware of the difficulties.
D. It is a field in which everyone has a great chance to succeed.
65. The underlined word “suspiciously” can most probably be replaced by _________________.
A. doubtfully B. excitedly C. proudly D. Sadly
C
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 （排放，散发，发出）by crops. The data were transformed into a color-coded map showing where plants were running“fevers”. Farmers could then spot-spray（现场喷洒）, using 50 to 70 percent less pesticide than they otherwise would.
The bad news is that Paley’s company closed down in 1984, after only three years. Farmers resisted the new technology and long - term backers were hard to find. But with the renewed concern about pesticides on produce, and refinements（改良，改进） 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 States, ” says George Oerther of Texas A & M. Ray Jackson , who recently retired from the Department of Agriculture, thinks remote infrared crop scanning could be adopted by the end of the decade. But only if Paley finds the financial backing which he failed to obtain 10 years ago.
66．Plants will emit an increased amount of heat when they are______________.
A. sprayed with pesticides B. facing an infrared scanner
C. in poor physical condition D. exposed to excessive sun rays
67．In order to apply pesticide spraying precisely, we can use infrared scanning to____________.
A. estimate the damage to the crops B. measure the size of the affected area
C. draw a color-coded map D. locate the problem area
68．Farmers can save a considerable amount of pesticide by______________.
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