Lesson 29课件- -2024-2025学年冀教版九年级英语全册

Unit 5　Look into Science 　Lesson 29　 　 DNA—The Story of You！ Do you look like your mother or your father? Do you know the reason? Beacuse your DNA comes from your parents. Words and Phrases DNA 脱氧核糖核酸 blueprint n. 蓝图 general adj.一般的 complex adj. 复杂的 twin n.双胞胎 repeat v. 重复；复述 pattern n.模式 identify v. 确认；鉴别 related adj.有关的 grandson n.孙子；外孙 granddaughter n.孙女 instruction n. 指示；说明 generally adv. be related to 与...有关 grandsons Listening and Reading 2.Where does your DNA come from? Your parents. 3.Is your DNA in every part of your body? Yes, it is. 1.What is a blueprint? In general, a blueprint is a drawing that shows how to put a house together with/using many different parts. 4.Is it possible to change your DNA? Yes, it is. In the future，scientists might be able to change our DNA. 5.Which is more complex, building a living thing or building a house? Building a living thing is far more complex than building a house. Language points 1. But building a living thing is far more complex than building a house. 比较级前可以用much, even, still, far, a bit, a little, a lot 等词加以修饰。 This unit is much easier than that one. 这个单元比那个单元容易得多。 2. own 的用法 1）adj. 自己的 （用在所有格后，加强语气） Now ask the same questions about your own teachers. She makes all her own clothes. 2) vt. 有，拥有 其名词形式为owner，意为主人，所有者。 — Who owns the bike? —Jackie. He is the owner of it. 3. except for =apart from 除……以外， 表示从整体中排除一小部分，前后对比的东西不同类 。 except=but “除了”前后对比的东西同类 常与all , every ,no,not, any等连用。 besides 表示“除……之外，还有”，即包含后面提到的内容。 eg: He is a good man except for hot temper（火爆脾气）. I have said goodbye to all the teachers except Mr. Wang. Besides Tom, five other boys also passed the exam. 【拓展】 “除……之外”的几种说法 except 介词, 意为“除了……之外”, 表示同类事物间的排除关 系不包括except后的宾语在 内, 含有“减去”的意思, 一般不用于句首 besides 介词, 意为“除了……之外, 还有”, 包括besides后面 的宾语在内, 含有“加上” 的意思 but 意为“除……之外”, 常与no, all, every, each, none, nobody等词连用, 有时可与except互换 I usually go to school by bike ________ on rainy day. The house is beautiful ______ _____ the small windows. except except for 4. not only ... but also ... 不但……而且…… 连接两个相同的成分，也可以连接两个分句。当接两个主语时，谓语动词和后面主语保持一致。 e.g. He likes not only English but also math. Not only you but also I am a teacher. 5. related to 涉及…… 的；与……有关的，是relate的过去分词，常做后置定语修饰前边名词。类似于called,named这样的过去分词。也可和be 动词构成固定表达 be related to ……,意为“和（与）……相关，有……关系。” e.g. I have a book related to the Autumn Harvest Uprising. The story is related to the Second World War. 5. related to 涉及…… 的；与……有关的，是relate的过去分词，常做后置定语修饰前边名词。 类似于called,named这样的过去分词。也可和be 动词构成固定表达。 be related to ……,意为“和（与）……相关，有……关系。” e.g. I have a book related to the Autumn Harvest Uprising. The story is related to the Second World War. Thanks! $$