Lesson28TheStudyofLivingThings

1、Welcome everyone,North American butterfly,Lesson 28 The Study of Living Things,biology n.生物學(xué)；生物 biologist n.生物學(xué)家 Chip Taylor 奇普泰勒 butterfly n.蝴蝶 migrate v.移居；遷徙 attention n.注意；留心,New words and phrases,completely adv.完全地 grandchild n.孫女；孫子 female n.雌性的動物或植物；女性 lay v.產(chǎn)卵；放 milkweed n.（植）馬利筋 chemical n.

2、化學(xué)物質(zhì) freeze v.凍死；凍僵；結(jié)冰 puzzling adj.令人費(fèi)解的 as well as 也；又 mystery n.秘密；不可解釋的事物,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.多達(dá)4.下蛋5.在大學(xué)里 6.小片的森林 7.動身去某地,draw ones attention,探究課文 找短語,return to,as many as,lay eggs,at a university,small piece of forest,leave for,一種遷徙的鳥 奇妙的事實(shí) 往北部遷徙 砍伐 讓某人很擔(dān)心 少用化學(xué)藥品 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. (翻譯） 2.Here， as many as 230 million butterflies spend the winter. (翻譯） 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.(同義句改寫） Scientist still dont understand how the butterflies know_ _ _ _,Read and complete,關(guān)于這些蝴蝶的奇妙的事實(shí)一直引起泰勒博士的注意,多達(dá)2.3億只蝴蝶在這里過冬。,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. (關(guān)心),lie 與 lay,lay (下蛋) - laid - laid - laying lie (說謊) - 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.(像一樣高) 2. I do my homework _ my sister does.(像一樣認(rèn)真) 3. They see _ one hundred students in front of the library.(像一樣多),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、在這里作動詞，意為“產(chǎn)（卵）”，其過去式、過去分詞均為laid。 The old hen doesnt_(下蛋) any longer. (2) lay還可意為“放置，鋪，裝” The road _(被鋪)by the workers. (3) lie是不及物動詞，意為“躺”時，其過去式是 lay，過去分詞是 lain；意為“說謊”時，其過去式和過去分詞都是lied，現(xiàn)在分詞是 lying。 e.g. Danny_(正躺在)on the grass. She _(向撒謊)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”,常用來連接兩個并列成分。如果連接兩個并列主語時,謂語動詞應(yīng)與前面的主語在人稱和數(shù)上保持一致。 Jack as well as I _(enjoy) playing football in the free time. (2) as well as還可意為“同樣”“同樣好地” e.g. He can speak English as well as you do.,enjoys,1.He left quietly in

12、order not to_ (引起別人的注意). 2.Could you _(查明)when they arrive here? 3.He wants to be a fashion designer after he_(畢業(yè)). 4.I dont understand how butterflies know_ _(何時飛向南方). 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 _ (奇異的) dreams to me. 5.The spelling of English words is often _ ( 令人費(fèi)解的 ).,單詞闖關(guān)練習(xí)：,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 . _,中考題型 課堂練,F,Yes, they do,He studies one kind of North American butterfly,230 million,在墨西哥，這種蝴蝶總是回到僅有20千米寬的同一小片森

17、林。,Language Points:,1. 有關(guān)attention的短語 2. asas 的用法 3. lie 與 lay的用法,asas,1. He is _ his father.(像一樣高) 2. I do my homework _ my sister does.(像一樣認(rèn)真) 3. They see _ one hundred students in front of the library.(像一樣多),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