Unit 5 Look into Science Lesson 28 The Study of Living Things课件（30张PPT无音频）

课件30张PPT。冀教版九年级英语上Unit 5 look into scienceLesson28 The study of the living thing butterfliesButterflies are beautiful ,what do you know about them?Monarch?['m?n?k] butterfly 美洲王蝶是栖息在北美地区的一种色彩斑斓、身体硕大的蝴蝶。每年10月底至来年3月初，上亿只美洲王蝶从美国东北部和加拿大南部飞越4500多公里来到温暖的墨西哥中部林区越冬和繁衍。New words1. biology n. 生物学；生物
2. butterfly n. 蝴蝶
3. migrate v. 移居；迁徙
4. fantastic adj. 奇异的；了不起的；
极好的
Dr Chip Taylor teaches ________ at a university.He studies a kind
of North American ________.This butterflyjust like a _____________
bird.The _________ facts about the butterfly have been drawing
our attention.biologybutterflymigratingfantastic5. completely adv. 完全地
6. grandchild n. 孙子；孙女；外孙；
外孙女
7. female n. 雌性的动物或植物；女子
8. milkweed n. （植）马利筋
9. chemical n. 化学物质
10. puzzling adj. 令人费解的
Fantastic facts about the butterfly have been
drawing Dr. Taylor’s attention.
It is a kind of North American butterfly.Just like many migrating birds ,they travel about 4000 kilometres south in fall every year.they spend the winterin Mexico.They always return to the same small piece of forest in Mexico.
They cover some trees almost completelyThe butterflies that return to the south are the great-great grandchildren of the butterflies that left for the north.When they begin to travel north in spring,the females lay eggs on only one plant : milkweed.How do the butterflies know when to fly south?
How do the great-great grandchildren of the butterflies find the same forest?It’s puzzling and interesting listen and finish let’s do it 1return / flyspendlayrestkillfind Read and answer1.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 worry a lot?
4. What do they do to protect butterflies ?
5.What is puzzling as well as interesting for many scientists?Work in groups1.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 worry 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.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 the forest .The United States and Canada have encouraged farmers to use fewer chemicals.Scientists still don’t understand how butterflies know when to fly south. And how do all the great-great grandchildren find the same forest in Mexico every year?
What should we do to protect the butterflies?
Work in groups and give us a report.
Try to introduce the Monarch?['m?n?k] butterfly,and ask the people to protect them. Fantastic facts about butterfliesThings that Dr. Taylor worries aboutThings that scientists can’t understandWhat should we do to protect the butterflies?一种
吸引某人的注意
返回
过冬
产卵
两者都
鼓励某人干某事
砍树1.Translate the phrasesa kind ofdraw one’s attention to return tospend the winterlay eggsboth … andencourage sb to do sthcut down the treesExercise 1 1. Dr.Chip Taylor is ____________(biology).
2. This cross word ___________(puzzling) is hard to do .
3. My mother took some ____________ (freeze) meat from the fridge.
4.He has___________(complete)forgotten the place
5. My black hen____________ (lay) an egg yesterdayfrozen用括号中所给词语的适当形式填空。biologistpuzzle completelylaidResearch and write a report about an animal or insect that you think is fantastic. Include a drawing or image of the animal or insect.Good-bye1. Fantastic facts about the butterfly have been drawing Dr. Taylor’s attention.
have been doing是现在完成进行时，“一直在做某事”，表示过去某
时开始的某个动作或状态一直延续到现在，且还在进行。常表示动
作的延续性、重复性及感彩等。史密斯先生自从1995年以来一直住在伦敦。Mr. Smith has been living in London since 1995draw one’s attention“吸引某人注意力”。
他试图把我们的注意力吸引到这幅画 上。
He tries to draw our attention to the painting.
3. The butterflies that return to the
south are the great-great
grandchildren of the butterflies that
left for the north.
that return to the south 和that left for the north都是定语从句。
leave for “到，去；出发，前往”。2. Here, as many as 230 million butterflies spend the winter.
as…as “和……一样”，表示同级比较。基本结构为as+ adj. / adv. + as。
This film is as interesting as that one. 这部电影和那部电脑一样有趣2. Join the sentences to make
attributive clauses.Example :
We did some experiments yesterday. The experiments were fantastic.
The experiments that we did yesterday were fantastic.1. I asked him to mail the letter. I wrote
the letter to my cousin.
________________________________
_____________________________
2. Yesterday I met a boy. The boy is a
new member in our art club.
_________________________________
________________________I asked him to mail the letter which / that / 不填 I wrote to my cousin.Yesterday I met a boy who / that is a new member in our art club.3. Mary was carrying a bag. The bag
cost her a lot of money.
________________________________
____________________
4. Football is a team sport. Football is
popular all over the world.
_________________________________
________________________Mary was carrying a bag which / that cost her a lot of money.Football is a team sport which / that is popular all over the world.Student B writes a statement beginning with “who”, folds the paper and passes it to Student C. Student C must finish the sentence and read it out loud.Example:Mr. Brownwho is a biologistwill give us a talk