冀教版九年级英语Lesson29DNA—TheStoryofYou.ppt
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1、Zhang Liangying looks like her mother. the two children are twins, They have same DNA. Lesson 29: DNAThe Story of You北营中学北营中学 马小维马小维 DNA blueprint general complex twin repeat pattern identify related grandson granddaughter instruction预习检测:预习检测:英汉互译英汉互译1.一般而言一般而言 _2. except for _3. Not onlybut also _
2、4. 与与有关有关 _5. 即使,纵然即使,纵然 _6. the same as _in generaleven if除除之外之外不仅不仅而且而且be related to与与相同相同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 ?4. Is it possible to change your DN
3、A ?5. Whose DNA is related to yours ?Where does your DNA come from? Your parents. Is your DNA in every part of your body? Yes, it is.Reading Task 1. But building a living thing is far more complex than building a house. Language points 比较级前可以用比较级前可以用much, even, still, far, a bit, a little, a lot 等词加
4、以修饰等词加以修饰。这个单元比那个单元容易得多这个单元比那个单元容易得多。This unit is _ _ _ that one. 合作探究合作探究议一议议一议:much easier than2. except for 除除以外,只是以外,只是 Your article is quite good except for several spelling mistakes. 辨析:辨析:except 与与 except for (1 1)except except 表示表示“除去,不包括除去,不包括”强调所排除的强调所排除的不包括在内,一般表示同类之间的关系。不包括在内,一般表示同类之间的关系
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