What happened when the author was at the beach?
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Why did the author hesitate when he ran down the beach and went out onto the jetty?
How did the author feel when he threw himself into the water?
Was the author’s saving smooth? Why?
：用于定义表格的头部。必须位于
标签中，一般包含网页的logo和导航等头部信息。
A. 对
B. 错
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