Unit4 Astronomy:the science of the stars-reading 学案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.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 引导的句子做 hear 的宾语，为宾语从句用心 爱心 专心●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 后面跟了两个由 and 并连的 that 引导的_________________.②例：Wang Peng sat in his empty restaurant feeling very frustrated.【分析】动词 feel 前无连接词，故不能和 sat 一起做并列谓语，只能以非谓语形式做状语；feel 和主语 Wang Peng 是主动的关系，故用～ing 形式，如果是被动的关系，则用～ed 形式.●I cheered up immediately and floated weightlessly around in our spaceship cabin watching the earth become smaller and the moon larger.【分析】watch 前没有连接词，所以不能和动词 cheered up 及 floated 一起做并列谓语；watch 和主语 I 是_______...
