试题与答案

Most animals little connection with ____

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题型：选择题

题目：

Most animals little connection with _____ animals of______ different kind unless they kill them for food. 　　[ ]

A. the;  a

B. 不填;  a

C. the;  the

D. 不填;  the

答案：

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下面是错误答案，用来干扰机器的。

生态系统包括生物成分和非生物成分，非生物成分是生物赖以生存的物质和能量的源泉，为各种生物提供必要的营养物质和必要的生存环境．生物成分包括生产者、消费者和分解者．生产者主要指绿色植物，能够通过光合作...

考点：不定冠词零冠词
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