Unit 5 Period 3 Using Language -高一上学期英语【精彩课堂】精品课件（外研社2019必修第一册）

Unit 5 Into the wild Using language 1.作用：修饰限定名词或代词 2.意义：“...的” 3.位置：单词放前，短语放后 (短前长后) 定语 1.蝴蝶关代图 人 物 which(主、宾) who(主、宾) that (主、宾) whose（定） whom(宾) 定从解题步骤 step 1 断：是否是定从 step 2 找：从句 step 3 判：连词在其中做什么成分 step 4 看：指人还是指物 Eventually, it manages to reach the places where it will spend the winter. The solution to the mystery of the monarch's amazing ability comes at a time when it is in serious trouble. Sadly, human activity is the main reason why the number of monarch butterflies is falling. In many of the places where the butterfly can be found, people are destroying the natural environment. What do“where”,”when”and “why”refer to in each sentence? Presentation-from textbook What do“where”,”when”and “why”refer to in each sentence? Eventually, it manages to reach the places where it will spend the winter. 2. The solution to the mystery of the monarch's amazing ability comes at a time when it is in serious trouble. Presentation What do“where”,”when”and “why”refer to in each sentence? 3. Sadly, human activity is the main reason why the number of monarch butterflies is falling. 4. In many of the places where the butterfly can be found, people are destroying the natural environment. Presentation d Eventually, it manages to reach those places. It will spend the winter there. e It is in serious trouble. The solution... comes at this time. f Sadly, human activity is the main reason. For this reason, the number of monarch butterflies is falling. What's the difference between the two groups of sentences? a Eventually, it manages to reach the places where it will spend the winter. b The solution… comes at a time when it is in serious trouble. c Sadly, human activity is the main reason why the number of monarch butterflies is falling. Group 1 Group 2 Why does the author choose to use sentence (a), (b) and (c) in the reading passage? Because there is a closer link and connection between the item and the claus