An ecosystem consists of the living and nonliving things in an area ________ int
题型：不详难度：来源：
| An ecosystem consists of the living and nonliving things in an area ________ interact with one another. |
答案
| A |
解析
该句句意为一个生态系统由一个区域内的可以相互作用的生物和非生物成的。根据句意可知，________ interact with one another是定语从句，修饰先行词the living and nonliving things，故排除what,what不能用于定语从句。在该定语从句中，interact 缺少主语，因此排除B项。That 既可以代指人，也可以代指物，who只能代指人，根据中的先行词是the living and nonliving things 是既有人又有物，因此只能选择A项。
【考点定位】考察定语从句关系词的选择。 |
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