该材料以人教版选修6 Unit 3 A healthy life  Reading设计了形式多样的随堂练习，包括导入、阅读（略读、寻读），有根据课文听力题、正误判断题、选择题以及依据课文内容填空、还有课堂讨论等。

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Step3 Reading
Task1 First reading (scanning)
Ask students to scan the passage as quickly as possible to find out the answers for the following questions.
1. Who wrote the letter and to whom?
2. What the purpose of the letter is? / What is the main idea of the letter?
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