冀教版九年级英语上册教案Unit5第4课时.pdf

第四课时 Lesson 28: The Study of Living Things 重点单词migrate v. 移居；迁徙fantastic adj. 奇异的；了不起的；极好的female n. 雌性的动物或植物；女子chemical n. 化学物质puzzling adj. 令人费解的重点短语draw ones attention 吸引某人注意力as many as. 多达；和一样多leave for 动身去cut down 砍倒重点句子1.Fantastic facts about the butterfly have been drawing Dr. Taylor s attention. 关于蝴蝶的奇妙事实吸引了泰勒博士的注意2.The butterflies that return to the south are the great-great grandchildren of the butterflies that left for the north. 回到南方的蝴蝶是那些留在北方的蝴蝶的玄孙3.But in Mexico, people cut down the trees that the butterflies need to rest on because they want more land for farming. 但在墨西哥，人们砍伐树木，蝴蝶需要休息，因为他们想要更多的土地来耕种。

4.There are many mysteries yet to be discovered by those interested in science.对那些痴迷科学的人来说，还有很多未解之谜未被发现教学难点进一步正确地运用定语从句环节 1 新课导入What job do you want to do after you graduate from high school？What do you need to study to get that job？What else do you need to do？Would you like to be a biologist ？Dr.Chip Taylor who is a biologist will give us a lecture. 设计意图：每个学生都有自己的梦想，当他们长大了，他们想干什么？为了实现梦想，必须在学习上付出努力，让学生明确学习目标环节 2 1.Read the text to the students and explain the meaning. 2.Students read the text by themselves. Give students several minutes to remember the text，let the students find out the main phrases and sentences in the text. 3.Book closed. The students listen to the tape and fill in the blanks with the words they hear. (1)Dr.Chip Taylor teaches _ at a university.(biology) (2)He studies one kind of North American _.(butterfly) (3)They lay eggs on only one plan _.(milkweed) 4.Students read the text again ，do Exercise 1 in “Lets Do It！ ”. 5.Do Exercise 2 and Exercise 3 in “Lets Do It！ ”. 6.要点点拨。

在复合句中修饰主句中的某一名词或代词的从句叫作定语从句被定语从句修饰的名词或代词叫作先行词，通常位于定语从句之前引导定语从句的关系代词who(whose，whom)，which，that；关系副词有 when，where， why关系代词和关系副词位于先行词和定语从句之问定语从句的结构：先行词关系词定语从句设计意图：培养学生综合阅读的能力，以及语言的实际运用能力Unit 5 Look into Science 第四课时Lesson 28: The Study of Living Thingsdraw one s attention as many as. leave for cut down 1.Fantastic facts about the butterfly have been drawing Dr. Taylor s attention. 3.But in Mexico, people cut down the trees that the butterflies need to rest on because they want more land for farming. 请完成本课对应训练！。