内容正文:
世界的海洋
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1.海与洋的关系
海是洋的一部分,位于大洋的边缘
2.海的分类
边缘海:
位于大陆边缘,一侧以大陆为边界,另一侧与大洋相接。
内陆海:
四周被大陆或岛屿、群岛所包围,但有狭窄水道与大洋相通。
一、边缘海与内陆海
3
在世界地形图上,找出世界上的著名的边缘海和内陆海。
二、海峡和海湾
海湾:洋或海伸进陆地的