Using LanguageⅡppt配套教案板书设计

Book8

Unit 2

THE RETURN OF THE DINOSAURS?

编制：沙艳

教学目标：Integrating skills : Readying , understanding and expressing by writing

Target language 目标语言

重点词汇：strike

initial

vain

resist

drawback

merely

decoration

unable

feather

turkey

claw

adore

hatch

reasonable

重点短语：from time to time,

bring back to life, pay off, in vain 重点句子：

1.The popularity of films such as Jurassic Park, in which a scientist clones several kinds of extinct dinosaurs, proves how the idea struck a mixture of fear and excitement into people's hearts. 2.I suggest that medical cloning is very important of curing serious illnesses that at present have no cure. 3.The advantage is that if there is a new illness some of these animals may die, but others will survive and pass on the ability to resist that disease to the next generation. 4.The great drawback to cloning a group of animals is that they would all have the same arrangement of genes and so might die of the same illness. 2. Ability goals能力目标

Activate the students to show their opinions about the cloning the extinct animals. Enable the students to write an article based on ideas. 3. Learning ability goals学能目标

Help the students learn how to organize a passage and how to write a short composition of this kind . Emotional target情感目标：Inspire the students interest of study by learning this one and the determination of solving the difficult problems.

Teaching important and difficult points教学重难点

How to organize the debating materials. How to write a short composition of the debate. Teaching methods教学方法

Task-based teaching method. Teaching aids教学准备

A computer and a projector. Teaching procedures & ways教学过程与方式

Step 1Review

1.我们的爱好不同。（differ from ）

Our tastes differ from each other. 2.

他强烈反对被人当孩子一样对待。(object; treat)

He strongly objects to being treated like a child. 3.她为新变化承担全部责任。（undertake ；responsibility）

She undertook full responsibility for the new changes. 4.经理说的话使他沮丧。（cast down）

He was cast down by what his manager said. Use the words or phrases that your learned in reading I to translate the following sentences For this review,

I want to make the students review the words or phrases that we have learned in reading I and combine the daily life words. And most of them are just 18, so I design No.3 to raise their awareness of duty as a beginning adult. Step 2 Lead-in

Show the students some pictures and a movie Jurassic Park to raise the students' interest. After watching the movie, I give the students the question: Do you like live with dinosaurs? If students say that they would like with the dinosaurs. Then I can lead in the text . Or I can mention another word "oil or gasoline" to lead in the dinosaurs' body providing them to us to lead in the text. Now let's go into the text. Step3 reading I. Read the title and the whole text and fill in the blanks .

1.Why does the writer use the "?"(question mark) in the title?

Because he doubts whether we can _________ the dinosaurs.

Can you think of other sentences to replace the title ?Choose the proper answers. A.Can we clone the dinosaurs?

B.Can we bring back the dinosaurs to life? II.Read the first paragraph carefully to answer the following questions. 1.Why does the text mention the movie Jurassic Park ?Choose the best answer.

A.It is just the film that makes people feel fearful and excited.

B. It aims to introduce the cloning of the extinct topic. 2.Why does the text list the years from 1950s to 2005 ?

1) They are not the only ones. 2)We are ____________________ from being able to clone extinct animals. 3) Scientists are still ___________________________ cloning mammals. 4)Cloning is a new science. III.Read the second paragraph carefully to answer the following questions. 1.Every now and then , people imagine that the extinct animals such as dinosaurs can likely be cloned.(Find a sentence in the text to replace this one within 30 words)

2.If we want to clone extinct animals , what are the limits?(write out the three aspects with less than 30 words)

3.The great drawback to cloning a group of animals is that they would all have the same arrangement of genes and so might die of the same illness. （Translate the sentence into Chinese.）

4.What can you infer (推测)from the sentence"The great drawback to cloning a group of animals

is that they would all have the same arrangement of genes and so might die of the same illness. Then none of them would be left to continue the species." ？Choose the best answer . A. Not all of them can survive at last.

B. We cannot clone the dinosaurs successfully in the end if we don't change the arrangement of their genes. IV.Sum up

Now what conclusions can you get after reading the text? For this step , I want to strengthen the students' comprehension about the text step by step. For the title, in fact it is an indicate that we can not clone the extinct dinosaurs or impossible for us to clone the dinosaurs successfully. The author doubts whether we can clone the dinosaurs . Because the answer type questions are too hard for the students so I change them into filling-blanks to low the difficulty. The second multiple choice question . I want to make the students know how to use the synonym phrases to make the writing colorful and rich. As for the first paragraph questions , my aim is to let the function of the film Jurassic Park and learn to find out the years which imply the clone's history is short and a new science to go. The substitute question and translations are for training the students' skill to find the clues in the text and the comprehension about the sentences of the text. And make sure that the students can learn how to infer according to the clues which given in the context. At last , the students can get the summary about this text as following :1.Now what conclusions can you get after reading the text? The first paragraph: 1)It is a new science.

2)a long way to go 3)We succeeded in cloning some animals. The second paragraph:

There are 3 conditions to clone the extinct animals.

1.perfect DNA

2. Enough diversity

3.a suitable habitat The third paragraph:

Time limit :no longer than 10,000 years ago but dinosaurs died of more than 65,000,000 years ago. So it is just a dream now. Why did I use"now"? Because I think that perhaps in the future the scientists can solve the difficulty to clone the extinct animals without the limit of the time. And I want to encourage the students to study hard to become a great scientist to settle this problem and let them challenge themselves to study hard for the future. Step4 language points 1.strike... into one's heart 使...刻骨铭心

eg.Wenchuan earthquake __________________________________.(使我们永远记住自然对我们的伤害。) 2.in vain 白费力气；枉费心机

eg.You are _______ to study English without working hard. 想学好英语不努力简直是枉费心机。

3.bring sb/sth back to life使复生，是恢复元气

eg.Self-confidence makes you ______________________自信使你精神焕发。

思维拓展

bring sb/sth to life使更有趣，更生动

eg. Using multi-media ___________________.使用多媒体使课更生动有趣。

4.Difficult sentences in the text（Translate the sentence into Chinese.）

1.The popularity of films such as Jurassic Park, in which a scientist clones several kinds of extinct

dinosaurs, proves how the idea struck a mixture of fear and excitement into people's hearts.

2.The advantage is that if there is a new illness some of these animals may die, but others will

survive and pass on the ability to resist that disease to the next generation. As for step4 I want the students to master the usage of the phrases by doing exercises. Especially the students can to master the usage of the phrases or sentences through the familiar things or examples .

Step5 Show your ideas Now please write down on your paper which extinct animals described below (which died out less than 10,000 years ago )are worth restoring by means of cloning . Choose one animal from the table below and use the information to help you argue why this animal should be restored to the earth.(less than 40 words)

You can refer to page17.

Step6 Homework

Please write a passage about 120 words. According to the discussion, further describe why you will clone the chosen extinct animal. You can refer to P.17.

This two steps are to train the students writing skills by the writing exercises. I will exam and correct the unsuitable places after the students hand them in and remark them next class. 总之，本节课我重点突出学生的主体地位，我做导演，引导学生通过问题一步一步解决课文疑难，让学生在我的感染力下（精美的课件设计，惊险的电影，丰富的手势，幽默的言语，生活化的事例等等。）使学生享受课堂，积极主动参与课堂，而非被动的接受。让学生抢答的方式激发学生的课堂气氛和竞争意识。根据问题的层次让不同学生都有所收获。通过有关恐龙的电影都是外国人拍摄的，鼓励学生努力学习英语和拍摄出中国的之类电影而努力学习，并且由课文得出现在不能克隆恐龙，如果同学们努力学习，可能将来他们就可以成为大科学家而成功克隆出恐龙，再次激发学生的学习热情和愿望。

学生在本节课堂中基本实现了前面提到的各种目标。通过各个题目的设计，能力由大到小，由浅入深，发散，总结，升华一步一步的深化了主题，增强了知识的能力和人文意识。

本节课学生总体参与度高，表现积极热情，能大胆的主动回答问题，并且学生基本能够做到学习生活化如复习翻译题就是一例。

实现了语气教学目标。通过多媒体的方式把教育、教学理应用到了具体教学中，提高了积极性和学生学习的热情。利用多媒体的视听功能和丰富的手势及热情丰富活跃了课堂。

即使这样学生的主动参与意识还是有待提高。那就要在加大对待优生的关注和培养。