a visit to the moon學習目標：1. learn about the three ways gravity changed during the visit. 2. master some key language points. 3. develop the curiosity of exploring space.學習重點：1. words: ① force/power/strength/energy ② escape ③ exhaust 2. phrases: get the hang of 3. 倍數的表達學習方法：自主探究；小組合作學習過程：ⅰ. knowledge link who is the first manin china walking in space? ⅱ.reading1. read the passage and finish the chart below. the force of gravity changes 3 timeschange 1when we are trying to ___________ the pull of the earth’s ____________, it is __________ __________ _________ we could not say anything to each other.change 2when we are in space, we _________ __________ _________ there is no gravity at all.change 3when we are on the moon, we are able to move __________ _________ and certainly ____________ less.2. analyze sentence structure① 例：i did hear that the bank of england had issued two notes in this amount.【分析】that引導的句子做hear的賓語，為賓語從句●li yanping explained to me that the force of gravity would change three times on our journey and that the first change would be the most powerful.【分析】explained to me 后面跟了兩個由and并連的that引導的_________________.② 例：wang peng sat in his empty restaurant feeling very frustrated.【分析】動詞feel 前無連接詞，故不能和sat一起做并列謂語，只能以非謂語形式做狀語；feel和主語wang peng是主動的關系，故用～ing形式，如果是被動的關系，則用～ed形式.