题目内容

【C9】

A. at once
B. at first
C. at last

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Which of the following suggestions has NOT been raised by the Ethical Treatment of Animals?

A. To improve the diets of hens
B. To move chickens into large farms
C. To make chickens sleep before they are killed
D. To improve chickens' lives

听力原文:W: Well, I'm not quite sure how to put this. But I dropped the calculator you lent me, and now it doesn't work.
M: That's OK. It hasn't been working right for some time now.
Q: What does the man mean?
(15)

A. He's not sure how to solve the math problem.
B. He doesn't know where to put the calculator.
C. He lost the calculator at work.
D. He thinks it's not the woman's fault.

数学运算
在这部分试题中,每道试题呈现一道算术式或是表述数字关系的一段文字,要求你迅速、准确地计算出答案。
3×104比4×103大多少?

A. 25%.
B. 50%.
C. 750%.
D. 650%.

Even plants can run a fever, especially when they are under attack by insects or disease.But【21】______ humans, plants can have their temperature 【22】______ from 3,000 feet away— straight up. A decade ago, 【23】______ the infrared(红外线的)scanning technology developed for military purpose and other satellites, physicist Stephen Paley 【24】______ a quick way to take the temperature of crops to determine 【25】______ ones are under stress. The goal was to let farmer 【26】______ target pesticide spraying 【27】______ rain poison on a whole field, which 【28】______ include plants that don't have the pest problem.
Even better, Paley's Remote Scanning Services Company could detect crop problem before they became 【29】______ to the eye. Mounted on a plane flown at 3,000 feet 【30】______ , an infrared scanner measured the heat emitted by crops. The data were 【31】______ into a color-coded map showing 【32】______ plants were running "fevers". Farmers could then spot spray, using 50 to 70 percent less pesticide than they 【33】______ would.
The bad news is that Paley's company closed down in 1984, after only three years. Farmers 【34】______ the new technology and long-term backers were hard 【35】______ . But with the renewed concern about pesticides on produce, and refinements in infrared scanning, Paley hopes to 【36】______ into operation. Agriculture experts have no doubt the technology works. "This technique can be used 【37】______ 75 percent of agricultural land in the United States," says George Oerther of Texas A&M. Ray Jackson, who recently retired from the Depart ment of Agriculture, thinks 【38】______ infrared crop scanning could be adopted by the end of the decade. But 【39】______ Paley finds the financial backing 【40】______ he failed to obtain 10 years ago.
【21】

A. as
B. with
C. like
D. unlike

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