题海让大学四年没有难题
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题目详情

单选题 In the coming years, there are about 10,000 square kilometers of the designated search area still ( ) by sonar equipment towed from ships.(1.0)

A. be scanned

B. scanned

C. having been scanned

D. to be scanned

学科:高级英语写作I

时间:2024-12-26 11:43:42

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