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课件网) Lesson 29 Unit 5 Look into Science To understand the meaning and usage of the new words and expressions. To know more about DNA. To learn more about human beings and enjoy science. 学习目标 3 2 1 Does Cindy look like her father Do you know what makes it What do you know about DNA What can scientists do with DNA pattern n. identify v. related adj. grandson n. granddaughter n. instruction n. 模式;形式 确认;鉴别 有关的;相关的 孙子;外孙 孙女;外孙女 指示;说明 Presentation DNA blueprint n. general adj. complex adj. twin n. repeat v. 脱氧核糖核酸 蓝图 一般的;普遍的 复杂的 双胞胎之一 重复;复述;背诵 Can you remember complex twin identify general related repeat pattern grandson 1 2 3 4 5 6 7 8 Number the words: DNA 11 blueprint 9 granddaughter 10 instruction 12 Practice Generally speaking, a _____ is a drawing. _____ for identical twins, each living thing has its own unique DNA. Our DNA come from our _____. A person's DNA is in every part of his or her _____. blueprint Except Listen to the text and fill in the blanks: parents body Reading task Read the text and judge the sentences: 1. DNA is the pattern our body uses to build itself. ( ) 2. Each living thing has it's own unique DNA. ( ) 3. From your DNA, scientists can identify you and people related to you. ( ) 4. Our bones do not have the same DNA as our skin. ( ) 5. Building a house is far more complex than building a living thing. ( ) T T T F F 1. I my twin brother 2. I my grandparent 3. my hair my blood 4.I my brother's skin 5. my mother my sister 6. my father my mother Do they have the same DNA Please judge according to the text. Retell the text in groups according to the following information. DNA is … Except for some twins, every living thing has … Some health problems can be caused … In the future, scientist might be able to … There are copies of your … From you DNA, scientists can identify … Read the lesson and answer the questions. 1．What is a blueprint 2．Which is more complex, building a living thing or building a house 3．Do some twins have the same DNA A blueprint is a drawing that shows how to put a house together with many different parts. Building a living thing. Yes, they do. Let’s do it! 1 4．Is it possible to change your DNA 5．Whose DNA is related to yours Yes. In the future, scientists might be able to change our DNA. People who are related to me. For example, my parents and grandparents. 1．Your homework is quite good _____a few spelling mistakes. 2．_____the young _____the old like pop music. 3．Kate's hair is_____ colour _____her sister's. 4．_____, women live longer than men. 5．_____ many difficulties remain,we can overcome them. 6．Is wealth _____ happiness Fill in the blanks with the phrases in the box. except for in genera except for not only…but also related to even if the same…as Not only but also the same as In general Even if related to 2 Complete the passage with the sentences in the box. A ... ...
