Some birds like to sit on a sheep because ______. What does the second paragraph mainly discuss?

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问题 Some birds like to sit on a sheep because ______.
What does the second paragraph mainly discuss?

选项 A、Some animals and plants depend on each other for existence.
B、Some animals and plants develop their relationship easily.
C、Some plants depend on each other for food.
D、Some animals live better together.

答案A

解析主旨题。第二段讲的是珊瑚和它们皮肤上的植物的共生关系。所以[A]正确。

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本试题收录于：公共英语二级笔试题库公共英语（PETS）分类

公共英语二级笔试

公共英语（PETS）

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Some birds like to sit on a sheep because ______. What does the second paragraph mainly discuss?

公共英语二级笔试

公共英语（PETS）

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