题目内容
Besides wildlife on land, there are species living in the oceans _______ we still know little.
| A．about which | B．in which | C．for which | D．with which |
A
解析试题分析：句意：除了陆地上的野生动物，海洋中还有一些我们知之甚少的物种。这个句子中包含一个介词+关系代词引导的定语从句，know about是固定用法，意思是知道，了解，选A。
考点：考查定语从句
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| A．which | B．whose | C．when | D．where |
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| A．all of what | B．all of which |
| C．all of them | D．all of whom |
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| A．for whom | B．with whom |
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| A．of which | B．with which |
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