Lesson28TheStudyofLivingThings

1、Welcome everyone,North American butterfly,Lesson 28 The Study of Living Things,biology n.生物学；生物 biologist n.生物学家 Chip Taylor 奇普泰勒 butterfly n.蝴蝶 migrate v.移居；迁徙 attention n.注意；留心,New words and phrases,completely adv.完全地 grandchild n.孙女；孙子 female n.雌性的动物或植物；女性 lay v.产卵；放 milkweed n.（植）马利筋 chemical n.

2、化学物质 freeze v.冻死；冻僵；结冰 puzzling adj.令人费解的 as well as 也；又 mystery n.秘密；不可解释的事物,Read the lesson and complete the table.,return,spend,kill,find,lay,rest,1.Where does Dr. Chip Taylor teach? What is he studying? 2.Where do the butterflies spend the winter? Where do they lay eggs? 3.What does Dr. Taylor w

3、orry a lot?,He teaches at a university in the United States. He is studying a kind of North America butterfly.,In Mexico. They lay eggs on only one plant: milkweed.,In Mexico, people cut down the trees. And in the United States and Canada, farmers use chemicals that kill milkweed.,Read and answer,4.

4、 What do they do to protect butterflies ? 5.What is puzzling as well as interesting for many scientists?,Mexico has begun to protect parts of its forest .The United States and Canada have encouraged farmers to use less chemicals.,Scientists still dont understand how butterflies know when to fly sout

5、h and how all the great-great grandchildren find the same forest in Mexico every year.,1.引起某人的注意2.回到、返回3.多达4.下蛋5.在大学里 6.小片的森林 7.动身去某地,draw ones attention,探究课文 找短语,return to,as many as,lay eggs,at a university,small piece of forest,leave for,一种迁徙的鸟 奇妙的事实 往北部迁徙 砍伐 让某人很担心 少用化学药品 即困惑又有趣,a migrating bird

6、,fantastic facts,travel north,cut down,worry sb. a lot,use less chemicals,both puzzling and intersting,1.Fantastic facts about the butterfly have been drawing Dr. Taylors attention. (翻译） 2.Here， as many as 230 million butterflies spend the winter. (翻译） 3.But in Mexico, people_ the trees that the but

7、terflies need to_ because they want more land for farming. 4.Scientist still dont understand how the butterflies know when they will fly south.(同义句改写） Scientist still dont understand how the butterflies know_ _ _ _,Read and complete,关于这些蝴蝶的奇妙的事实一直引起泰勒博士的注意,多达2.3亿只蝴蝶在这里过冬。,cut down,rest on,when to fl

8、y south,attention,draw ones attention to sth. (使某人注意某事).,2. catch ones attention (引起某人注意),3. pay attention to sth. (注意、留心),4. give ones attention to sth. (关心),lie 与 lay,lay (下蛋) - laid - laid - laying lie (说谎) - lied - lied - lying lie (平躺) - lay - lain - lying The hens _ (lay) eggs every day. Have

9、you ever _ (lie) to your parents?,lay,lied,asas,1. He is _ his father.(像一样高) 2. I do my homework _ my sister does.(像一样认真) 3. They see _ one hundred students in front of the library.(像一样多),as tall as,as carefully as,as many as,1.When they begin to travel north in spring, the females lay eggs. (1) lay

10、在这里作动词，意为“产（卵）”，其过去式、过去分词均为laid。 The old hen doesnt_(下蛋) any longer. (2) lay还可意为“放置，铺，装” The road _(被铺)by the workers. (3) lie是不及物动词，意为“躺”时，其过去式是 lay，过去分词是 lain；意为“说谎”时，其过去式和过去分词都是lied，现在分词是 lying。 e.g. Danny_(正躺在)on the grass. She _(向撒谎)you again.,lay eggs,was laid,is lying,lied to,Language study,2

11、. This is puzzling as well as interesting for many scientists. (1)as well as表示“既也, 不但而且”,常用来连接两个并列成分。如果连接两个并列主语时,谓语动词应与前面的主语在人称和数上保持一致。 Jack as well as I _(enjoy) playing football in the free time. (2) as well as还可意为“同样”“同样好地” e.g. He can speak English as well as you do.,enjoys,1.He left quietly in

12、order not to_ (引起别人的注意). 2.Could you _(查明)when they arrive here? 3.He wants to be a fashion designer after he_(毕业). 4.I dont understand how butterflies know_ _(何时飞向南方). 5.His father is a biologist_(也) a collector.,draw others attention,find out,graduates,when to fly,as well as,Practice,south,1.We wi

13、ll have a _ (生物)lesson tomorrow. 2.A _ （ 蝴蝶）is flying up and down among the flowers. 3.I trust him_ （完全地）. 4.My daughter likes to describe her _ (奇异的) dreams to me. 5.The spelling of English words is often _ ( 令人费解的 ).,单词闯关练习：,biology,butterfly,completely,fantastic,puzzling,Fill in each blank with t

14、he proper word from the brackets: My parents _(fly) to Shanghai last weekend. He wants to be a fire _(fight) when he grows up. His elder brother is one of the best _(pilot). I dont think this blouse _(match) your skirt. _(travel) by train is more interesting than by air. The big fire _(put) out by t

15、he fire fighters yesterday. I agree _(go) home now. The young man decided _(be) an astronaut.,flew,fighter,pilots,matches,Travel(l)ing,was put,to go,to be,1. In the United States and Mexico, farmers use chemcals that kill milkweed. ( ) 2. Do the females lay eggs on only one plant? _. 3. What does Dr

16、. Chip Taylor study? _. 4. Here, as many as _ butterflies spend the winter. 5.In Mexico, the butterflies always return to the same small piece of forest,which is only 20 kilometers wide . _,中考题型 课堂练,F,Yes, they do,He studies one kind of North American butterfly,230 million,在墨西哥，这种蝴蝶总是回到仅有20千米宽的同一小片森

17、林。,Language Points:,1. 有关attention的短语 2. asas 的用法 3. lie 与 lay的用法,asas,1. He is _ his father.(像一样高) 2. I do my homework _ my sister does.(像一样认真) 3. They see _ one hundred students in front of the library.(像一样多),as tall as,as carefully as,as many as,Fill in each blank with the proper word from the brackets: 1. This is the _(identify) hotel that we stayed in last year. 2. Your brothers are people _(r