Unit 5 Look into Science Lesson 29 DNA- the Story of You课前预习单冀教版英语九年级上册（含答案）.doc

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1、Lesson 29 DNA-The Story of You【预习目标】1.记忆单词: DNA, blueprint, general, complex, twin, repeat, pattern, identify, related,grandson, granddaughter, instruction;短语in general, except for, be related to, billions of。2.掌握重点句型:In general, a blueprint is a drawing that shows how to put a house together with m

2、any different parts.But building a living thing is far more complex than building a house.You have your own unique DNA, but it repeats patterns from your parents DNA.From your DNA, scientists can identify not only you, but also people who are related to you.【自主学习】-明确目标，自学文本任务一： 根据Lesson 29 DNA-The s

3、tory of You预习课件掌握本节课的四会单词和短语。任务二： 听录音跟读课本Lesson 29 DNA-The story of You课文，跟读2-3遍，了解对话大意。并完成下面的练习题教材解读Read the text and find out main phrases and sentences.Main phrases:in generalexcept forbe related tobillions ofMain sentences:What can scientists do with DNA?But building a living thing is far more c

4、omplex than building a house.Except for some twins, every living thing has its own unique DNA.Some health problems can be caused by problems in your DNA.In the future, scientists might be able to change your DNA.There are copies of your DNA in every part of your body.You have your own unique DNA, bu

5、t it repeats patterns from your parents DNA.Your DNA has billions of instructions that explain why you are the way you are.Its one of the most amazing things on the earth!【自学检测】-在线测学，质疑思学1在线测学：请你在平台完成以下自学检测作业(Unit 5-Lesson 29自学检测)，提交后自己看错题及解析。 一、单项选择1Your story is good _ the ending. Abut Bbesides Ce

6、xcept Dexcept for2Will you fix up the machine according to the _ , David?No problem. Ainstructions Binventions Cinvitations Dinterviews3The country spends _ dollars helping the poor every year. Atwo billion of Btwo billions Cbillion of Dbillions of 4“重要的事情说三遍。”can be translated into “Important things must be _ again and again and again. ” Aspoken Brepeated Cdescribed Dintroduced5Have you ever heard of Lang Lang? Sure. He is one of _ pianists _ I have ever seen. Agood; that Bmuch better; who Cthe best; which Dthe best; that【思学质疑】把你在本次课程学习中的困惑与建议如实写在下面，并拍照上传到讨论区(课前质疑)。_参考答案自学检测一、1-5 DADBD