摘要: Is your DNA in every part of your body? Finish the reading task in class in oral. Try to get more information about the text at the same time. Step4. Read the text again. Find the sentences with the new words. Try to create situation about the new words. Then make sentences with the new words. If someone can make a whole story with the new words that we learn in this lesson, the teacher must encourage her. The sentences with the new words: Generally speaking, a blueprint is a drawing. Identical twins are two children that grew from the same egg. They are clones. From your DNA, scientists can identify not only you, but also people related to you. Step5.Let some students tell some details about the text. What is DNA? Where is your DNA from? What is DNA used for? Step6. Come to “LET’S DO IT . Finish the task with a partner. Find the things about you that show your parents’ DNA. Talk about if for a while. Then let some volunteers come to the front to talk about the subject. Step7.Homework

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