1、Lesson 28 : The Study of Living Things【学习目标】知识目标： Chip Taylor，biology，butterfly ，migrate，fantastic，completely grandchild，female，milkweed ，chemical，puzzling；draw ones attention 吸引某人的注意 asas 和一样leave for 前往 lay eggs 下蛋，产卵 cut down 砍倒，缩减Fantastic facts about the butterfly have been drawing Dr. Taylors
2、attention.能力目标：能用英语表达大自然的奥秘；能进一步正确地运用定语从句。情感目标：热爱学习，热爱大自然。【重点及难点】进一步正确地运用定语从句。【导学过程】一、自主预习【课前预习】美洲王蝶，学名“黑脉金斑蝶” ，俗称“帝王蝶” ，是北美地区最常见的蝴蝶之一，也是地球上唯一的迁徙性蝴蝶。为躲避加拿大和美国的冬季严寒，数以亿计的王蝶每年冒着死亡危险，前赴后继，穿越美洲崇山峻林的风霜严寒和太平洋的狂风暴雨，南迁墨西哥和古巴等地过冬。王蝶的长途迁移被科学家列为自然界十大奇迹之一。它们每年 10 月底飞到墨西哥，次年 3 月再飞返美国和加拿大，单程平均飞行 4000 多公里，沿途景象蔚为壮观
3、。【预习检测】根据汉语提示完成句子。1. I have a _ (极好的) social life. 2. The most profound unsolved problem in _ (生物学) is the origin of life itself. 3. Some birds _ (迁徙) as season changes. 4. I_ (完全地) agree with these views. 5. The spelling of English is often _ (令人费解的).二、合作探究Task 1. 读课文，想一想下面的三个问题。 (1) What does Dr.
4、Chip Taylor study? _来源:学优高考网(2) When do the butterflies travel south? _(3) Do you think the butterflies are fantastic? _Task 2. Read the dialogue again and work out Lets Do It 1.Task 3. 再读课文，小组讨论导学案上的 Language Notes。Task 4. 分组讨论，完成 Lets Do It 2。Task 5. 小组合作，完成 Lets Do It 3。三、交流展示Language points: （一）
5、定语从句是指在句中作定语的_。先行词是被定语从句所修饰的词 （通常是名词或代词） 。关系词，也叫做引导词，是在从句中替代先行词，在定语从句中充当一定的成分，通常是_或_，作_时常可以省略。先行词为人时，引导词常用_或_；先行词为物时，引导词常用_或_。但在下列情况下, 一般用_而不用_。1. 先行词为 all, everything, nothing, something, anything, little, much 等不定代词时。2. 先行词被 all, little, much, every, no 等修饰时。3. 先行词被序数词或最高级修饰时。4. 先行词被 the only, the
6、 very, the same, the last 修饰时。5. 先行词为人和物的组合。6. 主句为 who, which 开头的特殊疑问句。根据以上的描述，完成以下定语从句的引导词。1. Who is the girl _ talked to you yesterday.2. Look at the photos _ I took on my trip. 3. It successfully shows the rich culture_ makes Beijing so famous.4. The photo_ we liked best was taken by Zhao Min.5.
7、His father is the person_ will be most unhappy.6. Tom is the boy _ we saw in the shop.7. I am sure she has something _ you can borrow.8. Ive read all the books _ are not mine.9. This is the first book_ he has read10. This is the very book _ belongs to him.11. They talked for an hour of things and pe
8、rsons _they remembered in the school.(二) draw ones attention 吸引某人的注意力 draw 的过去式为_，过去分词为_ 例：The wonderful basketball game _ my attention.(三) as+ adj. /adv. +as 意为“和一样”，表示同级的比较。否定形式中，前面的 as 可用 so，即 not so/asas意为“不如”例：1. I think English is _important _Chinese. 2. You arent _/_tall _ your brother.3. Thi
9、s film is _ （一样有趣）that one.4. Your pen writes _ （一样流畅）mine.(四) lay eggs 意思是“产卵，下蛋 ”。lay 的过去式为_，过去分词为_，现在分词为_例：They only lay eggs about every five years. (五) cut down 砍伐；消减 cut 的过去式为_，过去分词为_，现在分词为_例：We must cut our expenses down in order to live through the whole year. 来源:学优高考网我们必须减少消费，以便度过全年。【即学即用】1
10、. Many trees _(cut down) so that the soil was washed away.2. The government has told us _ _ _ _(不要砍倒) the trees.四、当堂检测. 根据句意用适当的介词或副词填空。1. My uncle and my aunt teach English _ a university in Beijing.2. He says that he wants to be a famous scientist _ Qian Xuesen.3. People who cut _ trees in our cit
11、y will be punished.来源:学优高考网4. Did your sister know _ this new project?5. Im sorry to tell you that the glass was broken _ my little son. 用括号内所给单词的适当形式填空。6. He is an honest boy and I trust him _ (complete).7. Linda cant look after herself and her mother _ (worry) about her very much.来源:学优高考网8. The ol
12、d woman has three _ (grandchild). She loves them very much. 9. The strange man always tells us some _ (fantastic) things which we cant understand.10. Its such a _ (puzzle) problem that nobody can solve it. 根据句意，用所给单词或短语的适当形式填空，每词或短语只限使用一次。butterfly spend draw ones attention return to bothand11. When
13、 we were in the airport, I saw my father waving his hand to _.12. She wants to _ Christmas with her family.13. I saw some _ flying up and down among the flowers.14. _ my sister _ my brother want to be biologists in the future. 15. Our English teacher Miss Miller will _ America next month. 根据汉语意思完成句子
14、。16. 我们班多达40人在学校吃午饭。In our class, _ _ _ forty students have lunch at school.17. 布朗一家自从2000年就住在中国。The Browns _ _ _ in China since 2000.18. 老师经常鼓励我为梦想努力学习。My teacher always _ me _ _ _ for my dream. 19. 你对哪一科感兴趣？Which subject _ _ _ _?20. 我不知道什么时候动身去北京。I dont know _ _ _ _ Beijing.五、作业布置1. Finish the exe
15、rcise of this lesson.2. Preview Lesson 29.【教学反思】参考答案：一、自主预习1. fantastic 2. biology 3. migrate 4. completely 5. puzzling二、合作探究Task 1. 1. He studies one kind of North American butterfly.来源:学优高考网 gkstk2. In fall.3. Yes, they are.三、交流展示Language Points:(一) 从句。主语，宾语，宾语。who, that; which, that. that, which1
16、. that 2. that/which 3. that/which 4. that 5. who/that 6. who/that 7. that 8. that 9. that 10. that 11. that(二) drew drawn drew (三) 1. as; as 2. so/as, as 3. as interesting as 4. as smoothly as(四) laid, laid, laying(五) cut, cut, cutting1. were cut down2. not to cut down四、当堂检测1. at 2. like 3. down 4. about 5. by 6. completely 7. worries 8. grandchildren 9. fantastic 10. puzzling 11. draw our attention 12. spend 13. butterflies 14. Both; and 15. return to 16. as many as 17. have been living 18. encourages; to work hard 19. are you interested in 20. when to leave for
