托福阅读备考之长难句分析：生物多样化

　　(倒装coincident with concerns…has been…=…has been coincident with concerns…)

　　【译句】在对物种和动物栖息地加速消失表示关注的同时，人们也越来越认识到生物多样化，即一个特定生态系统中物种的数量对地球的健康以及人类幸福的重要性。

　　此句是完全倒装句，谓语动词是 has been，真正的主语是has been 后面的内容。Coincident with concerns about the accelerating loss of species and habitats是表语。

　　原来的正常语序是： A growing appreciation of the importance of biological diversity，the number of species in a particular ecosystem，to the health of the Earth and human well-being has been coincident with concerns about the accelerating loss of species and habitats

　　其中 the number of species in a particular ecosystem 是插入语，作为同位语出现，用来解释说明biological diversity。

　　在这句话真正的主语中有一个 " the importance of A to B" 的结构，应该翻译为“A对B的重要性”。 原句中就是 "the importance of biological diversity to the health of the Earth and human well-being " 叫做“生物多样性对于地球和人类幸福健康的重要性"。

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