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2026年9月国际B卷 · 第 1 题

2026年9月国际B卷 · 原库模块 3 · Q1 参考答案

A remotely operated vehicle (ROV) is used for underwater ocean research. The ROV is at a depth of 31 fathoms. What is the ROV's depth in feet? (1 fathom = 6 feet)
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