Unit 5 Look into Science Lesson 28 The Study of Living Things 学案

平堡中学导学案
学科：English 年级：nine 主备人：Wu Cheng 教研组长： 教务处： 上课时间：2014年11月7日
第28课 课题 Lesson 28 The Study of Living Things 课型 new 二．重点语句1. Here, ________ ________ ________230 million butterflies spend the winter.这儿，有23000万只蝴蝶过冬。（考察点：辨析as…as…和not as／so…as）2.The butterflies that return to the south are the great- great grandchildren of the butterflies_______ left for the north.返回南方的这些蝴蝶是前往北方的蝴蝶的曾曾孙。（考察点：以that引导的定语从句的用法）3. There are many mysteries yet to be discovered by those _____ _____ sciences.有许多的秘密还没有被那些对科学感兴趣的人发现。（考察点：辨析interested和interesting）合作探究，学习新知：探究 一 辨析as…as…和not as／so…as例句：Here, as many as 230 million butterflies spend the winter.（翻译）
学习目标 单词短语： biology n. butterfly n. migrate v. fantastic n.completely adv. grandchild n. female n. milkweed n. chemical n. puzzling adj.
重难点 句型结构: grow up , be yet to do
自主预习，认真准备：一．写出下列短语的意思： 1．grow up ______________ 2.吸引某人的注意_________________ 3.as…as… ______________ 4.一片树林 _____________________5,前往 __________________ 6．砍倒 ______________________ 7.rest on_______________________ 8.be yet to do ______________________ 9.be interested in ________________ 10,产卵 _________________________
【探究点睛】as…as…意为“____________”，常用在“be＋ as＋ adj.（原级）＋ as ”的固定形式中。2.not as／so…as意为“____________”或“____________”，常用在“be＋ as＋ adj.（原级）＋ as ”的固定形式中。Eg. The apple is_____ _____ _____ _____ that one.这个苹果不如那个苹果大。【小试身手】玛丽和罗斯一样高。Mary is_____ _____ _____Rose.The book is_____ expensive_____ that one.A. too; as B. as; than C. not so; as D. so; than探究二 以that引导的定语从句的用法例句：The butterflies that return to the south are the great- great grandchildren of the butterflies that left for the north.（翻译） 【探究点睛】that left for the north 是定语从句，修饰前面的the butterflies。the butterflies是______，关系代词that在从句中作______。定语从句必须放在先行词的后面且不用逗号隔开。在限制性定语从句中，通常先行词指物时，后面的定语从句一般由that来引导。【小试身手】我们应当做的第一件事是订个计划。The first thing_____ we should do is to work out a plan.2. Is there anything _____I can do for you A. that B. where C. when D. who探究三 辨析interested和interesting3. There are many mysteries yet to be discovered by those interested in science.（翻译） 【探究点睛】interested作形容词时，意为“__________________”，主要用于修饰人。interesting作形容词时，意为“__________________”，主要用于修饰物。 例如：Please tell us an _____fairy tale.请给我们讲一个有趣的童话故事。【小试身手】1.多有趣的一本故事书啊！_____ _____ _____ story book it is!2. The teacher is interested_____ his work.A in B. of C. with D. for 当堂练习，检测固学一 ．词组精炼1. 一张纸______ ______ ______paper 2.度暑假______ ______ ______holiday3.返回南方______ ______ ____________ 4.吸引学生们的注意______ the ______ ______5.前往苏州______ ______Suzhou 6. 对音乐感兴趣______ ______ ______music7.鼓励学生说英语encourage students______ ______ ______8.产更多的卵 lay ______ ______二．用括号中所给词的适当形式填空1. This butterfly is just like a ______(migrate)bird , it travel about 4,000 kilometers south in the fall.2. Look! The butterfly ______(lay)eggs on the plant.3. We all love to listen to the______(sing)of the birds.4. Look! The old man is______(lie)on the bed.5. Water is______(freeze)outside in a cold winter.
教学反思