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The word submarine (Line 2 Para. 3) is clos

2022-08-01 23:26:22 问答库阅读 168 次

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The word "submarine" (Line 2, Para. 3) is closest in meaning to ______ .
A．careless
B．expensive
C．unsuspecting
D．hidden请帮忙给出正确答案和分析，谢谢！

正确答案：D
解析：第三段第二句后半句的“claims that are made today and then vanish”对这种专利的特征作了解释，选项中与“vanish(消失)”意思相近的词是hidden，因而submarine应意为hidden，故[D]为答案。