It is reported that several kinds of turtles have lived more than 30 years in ca

游客2025-01-30 19

问题 It is reported that several kinds of turtles have lived more than 30 years in captivity, but in natural environments, some can live as long as 50 years.

选项 A、confinement
B、concealment
C、custody
D、cage

答案 A

解析 (1)句子结构。
本句有两个分句构成，第一个分句结构为It(形式主语)is reported(谓语)that several kinds of turtles have lived more than 30 years in captivity(逻辑主语)。
(2)选项词义。
A．confinement n．禁闭；监禁；关押
B．concealment n．隐藏；隐瞒；掩盖
C．custody n．监护；保管；监护权；拘押
D．cage n．笼子；牢房，监狱
句子大意为“据报道，有几种海龟在圈养下活了30多年，但在自然环境中，有些海龟寿命可长达50年”。原题中的captivity意为“监禁”“圈养”，与选项中的confinement词义最为接近，故选项A正确。

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