2015年秋九年级英语（冀教版）导学案（无答案）：Lesson 29 DNA-The Story of You

科 目 英 语 课题 Lesson 29 DNA-The Story of You
主备人 审核人 学案类型 新 授 学案编号
学 习 目 标 To learn these usefu ( http: / / www.21cnjy.com )l words and expressions ：New words： DNA blueprint general complex twin repeat patternIdentify related grandson granddaughter instructionPhrases: in general 一般而言；通常 except for 除……之外be related to 与……相关 billions of数十亿计的； 大量Patterns:But building a living thing is far more complex than building a house.
To listen and understand the passage about DNA
To know more about DNA
重点句子：In gene ( http: / / www.21cnjy.com )ral, a bluepri ( http: / / www.21cnjy.com )nt is a drawing that shows how to put a house together with many different parts.But building a living ( http: / / www.21cnjy.com ) thing is far more complex than building a house.Except for some twins, every living thing has its own unique DNA.From your DNA, scientists can identify not only you ,but also people who are related to you.
学法指导及使用说明 : 自主学习，合作探究
课前预习:根据汉语提示完成句子。1. She had a confused idea of life in ________ (一般的，普遍的). 2. Could you ______ (重复) that question for me 3. You’ll get nowhere if you follow his __________ (方法)instruction. 4. Our culture is more _______ (复杂的) than he knows. 5. Would you be able to _______ (辨别) the man who robbed you 合作交流:Ⅰ.Listen to the tape and fill in the blanks on the screen.Ⅱ. Read the lesson and finish No.1 and No.3 on P75.展示提升:Language point ( http: / / www.21cnjy.com )s:（一）____ _________, a blueprint is a drawing that shows how to put a house together with many different parts.一般而言，蓝图就是一副图纸，它显示一座房子的构造。in general意思是“一般而言；概括说来(通常置于句首)”。也可以用generally speaking来表示。例：In general/ Generally speaking,， women cry more easily than men. 练习：_________________（总的来说），your idea is right.（二）But building a ( http: / / www.21cnjy.com ) living thing is ________ more complex than building a house. 但创造一个生物比盖房子要复杂得多。far用来修饰形容词和副词的比较级 ( http: / / www.21cnjy.com )，表示程度，译为“……得多”。这样的词语还有much, still, even, no, a little, a bit, a lot, rather, any等。 例：The room is ___ ________larger than that one. 这个房间比那个稍大一点。He works _______ harder than ever. 他比以往更加努力学习了。练习：This meeting is _____ _____ _________ (重要得多)than that one. (三) _______ _____ some twins, every living thing has its own unique DNA.除了同卵双胞胎之外，每个生物都有自己独特的DNA。except for用于表 ( http: / / www.21cnjy.com )示对主要部分的肯定和对局部的否定，它不表示同类事物之间的关系。它要求排除的是_________，可以用在句首。意思有：①“除……之外；要不是由于” 例：Smith is a good man，___________his bad temper.史密斯除了脾气不好外是个好人。The movie was good _________ the ending. 这部电影除了结尾之外都好。②“除去为了……”例：M ( http: / / www.21cnjy.com )other wouldn't give him any money _____________ books and stationery.除了买书和文具外，妈妈不给他任何钱。except“除……之外”后面可接名词 ( http: / / www.21cnjy.com )、代词、动词、副词、介词短语或从句等。它要求排除的是_________。一般不用于句首。except常用在all, whole, any, every, no等词，及anything, anybody, anyone, everything, everybody, everyone 等不定代词之后。例：We have an English lesson every day __________ Sunday.She ate everything on the plate _________ the carrots.besides“除……之外（尚有……）”,包括besides之后的内容。练习：用except，except for，besides填空：The city is good _________ the weather.We all went to the zoo __________ Li Ming.He also knows Japanese __________ English.___________ one old lady, the bus was empty.She usually goes to work on her bike ________ when it rains.I sold everything ___________ my car and my books. (四) relate to/with表 ( http: / / www.21cnjy.com )示“与……有关，使互相关联”。例：①He is related to my family. 他与我的家庭有关系。②The matter _______________ him.这事与他有关。The matter relates to him.这事与他有关。
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