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  3. Scientists today are making greater effort to study ocean currents. Most do it using satellites and other high-tech equipment. H

Scientists today are making greater effort to study ocean currents. Most do it using satellites and other high-tech equipment. H

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问题    Scientists today are making greater effort to study ocean currents. Most do it using satellites and other high-tech equipment. However, ocean expert Curtis Ebbesmeyer does it in a special way—by studying movements of random floating garbage. A scientist with many years’ experience, he started this type of research in the early 1990s when he heard about hundreds of athletic shoes washing up on the shores of the northwest coast of the United States. There were so many shoes that people were setting up swap meets to try and match left and right shoes to sell or wear.
   Ebbesmeyer found out in his researches that the shoes—about 60, 000 in total—fell into the ocean in a shipping accident. He phoned the shoe company and asked if they wanted the shoes back. As expected, the company told him that they didn’t. Ebbesmeyer realized this could be a great experiment. If he learned when and where the shoes went into the water and tracked where they landed, he could learn a lot about the patterns of ocean currents.
   The Pacific Northwest is one of the world’s best areas for beachcombing because winds and currents join here, and as a result, there is a group of serious beachcombers in the area. Ebbesmeyer got to know a lot of them and asked for their help in collecting information about where the shoes landed. In a year he collected reliable information on 1600 shoes. With this data, he and a colleague were able to test and improve a computer program designed to model ocean currents, and publish the findings of their study.
   As the result of his work, Ebbesmeyer has become known as the scientist to call with questions about any unusual objects found floating in the ocean. He has even started an association of beachcombers and ocean experts, with 500 subscribers from West Africa to New Zealand. They have recorded all lost objects ranging from potatoes to golf gloves.
How did Ebbesmeyer prove his assumption?
选项 A、By collecting information from beachcombers.
B、By studying the shoes found by beachcombers.
C、By searching the web for ocean currents models.
D、By researching ocean currents data in the library.
答案A
解析 细节理解题。第三段讲述了Ebbesmeyer的实验方法，即让海滩拾荒者收集有关鞋子在哪里着陆的信息。一年内他收集了1600双鞋子的可靠信息。通过分析那些数据，他和同事测试并改善用于模拟洋流的电脑程序，并发表他们的研究成果。故选A。
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