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职称英语理工类C级阅读理解精华练习(2)

发布时间：2016-03-01 编辑：查字典英语网小编

　　Explorer of the Extreme Deep 　　Alvin was launched in 1964.Since then，Alvin has worked between 200 and 250 days a year，says Daniel Fornari，a marine geologist and director of the Deep Ocean Exploration Institute at WHOI.During its lifetime，Alvin has carried some 12,000 people on a total of more than 3,000 dives. A newer，better versions of Alvin is bound to reveal even more surprises ahout a world that is still full of mysteries，Fornari says.It might also make the job of exploration a little easier.We take so much for granted on land, Fornari says.We can walk around and see with our eyes how big things are. We can see colors，special arrangements. 　　Alvin can go up and down at a rate of 30 meters every second，and its maximum speed is 2 knots ，while the new vehicle will be able to ascend and descend at 44 meters per second.Itll reach speeds of 3 knots，or 3.5 miles per hour. 　　Woods Hole：美国马萨诸塞州的一个渔村，但同时拥有许多重要研究机构，如：the Marine Biological Laboratory，the Sea Education Association以及the Woods Hole Oceanographic lnstitution。　　练习：　　A A research institute. 　　C A submersible. 　　Which of the following statements is NOT a fact about Alvin? 　　B It has played a key role in various important undersea expeditions 　　D It has been used for more than 40 years. 　　A the earth. 　　C the ocean. 　　A Size. 　　C Capacity. 　　In what aspects are the new HOV and Alvin different? 　　B Speed. 　　D Both A and B.

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