a visit to the moon学习目标：1. learn about the three ways gravity changed during the visit. 2. master some key language points. 3. develop the curiosity of exploring space.学习重点：1. words: ① force/power/strength/energy ② escape ③ exhaust 2. phrases: get the hang of 3. 倍数的表达学习方法：自主探究；小组合作学习过程：ⅰ. knowledge link who is the first manin china walking in space? ⅱ.reading1.
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UNIT3looking good, feeling good-language points学案