这种练习一般说来内容都非常简单，强调的是学习者所使用的词汇和语法必须正确。
This kind of writing practice presents very simple contents, but requires that learners should use both vocabulary and grammar correctly.
热身练习一：激活你的词汇
这时写作训练一般没有，即使有也只是为练习词汇和语法服务。
Writing exercise usually does not exit in this period; even if it does, it mainly serves a kind of vocabulary or grammar exercise.
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