Unit 5 Look into Science Lesson 29 DNA- the Story of You課前預習單冀教版英語九年級上冊（含答案）

1、 Lesson 29 DNA-The Story of You【預習目標】1.記憶單詞: DNA, blueprint, general, complex, twin, repeat, pattern, identify, related,grandson, granddaughter, instruction;短語in general, except for, be related to, billions of。2.掌握重點句型:In general, a blueprint is a drawing that shows how to put a house together with

2、many 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.【自主學習】-明確目標，自學文本任務一： 根據(jù)Lesson 29 DNA-The

3、story of You預習課件掌握本節(jié)課的四會單詞和短語。任務二： 聽錄音跟讀課本Lesson 29 DNA-The story of You課文，跟讀2-3遍，了解對話大意。并完成下面的練習題教材解讀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

4、complex 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, b

5、ut 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!【自學檢測】-在線測學，質(zhì)疑思學1在線測學：請你在平臺完成以下自學檢測作業(yè)(Unit 5-Lesson 29自學檢測)，提交后自己看錯題及解析。 一、單項選擇1Your story is good _ the ending. Abut Bbesides C

6、except 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“重要的事情說三遍?！眂an 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 bette