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視頻課題：高中英語外研版選修9 Book9 Module 2 DNA- the secret of life Period 3 Cultural Corner and Task山東
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高中英語外研版選修9 Book9 Module 2 DNA- the secret of life Period 3 Cultural Corner and Task山東省蓬萊第一中學
Book 9 Module 2 DNA - the secret of life Period 3: Cultural Corner and Task
I. Teaching Content: one passage and one composition. II. Teaching Aims:
Ability Aim: To train students’ reading and writing skills. Moral Aim: To help students develop an interest in science.
Knowledge Aim: To master some useful words and expressions and write a
short
essay about the DNA with useful expressions from this period.
III. Teaching Procedures:
Step 1. Leading-in
Watch two shorts videos of the movie The Time Machine.
Step 2. Reading
Read the cultural corner and do the reading tasks.
Step 3. Discussion
Discuss the influences of DNA and the solutions to its harms.
Step 4. Writing
Write a short essay according to the discussion.
Step 5. Presentation
Present some of the students’ essays and ask them to grade them.
Step 6. Homework
Write a passage about their own opinion on DNA.
Step 1 Leading-in
Watch two short videos and answer the two questions below. 1. What happened to the man?
2. How many kinds of creatures are there in the video?
Possible answers: 1.He travelled from the past to the future. 2. Two.
Teaching aim: to arouse the students’ interest in the passage and develop the students’ listening ability.
Step 2 Reading Fast Reading
1. What does the Time Traveler discover in the year 802000?
Possible answer: He discovers that human beings have evolved into two completely
different kinds of creatures.
Reading guidance: To get the answer quickly by locating the key words.
Careful reading
1. Find one word from the passage to replace dawn on in the last paragraph. Answer: strike
Teaching Aim: To find the answer according to the context. 2. Fill in the table Name Appearance
Feeling Eloi Beautiful, graceful, sweet, frail... interest Morlocks
Wicked, small, ape-like, white...
shudder
Teaching aims: To train students’ ability to find detailed information. 3. Use two sentences to describe information in the table. Possible answers:
a) Being graceful and sweet, it made me show great interest in it. b) White and little, the ape-like creature made me shudder. Teaching aims: To train students’ ability to make sentences. 4. Imitative writing
First published in 1895, it tells the story of a man who travels into the year 802000 in a time machine.
每年四月份舉辦的風箏節，總是會吸引很多世界各地的風箏愛好者們。 Possible answer:
Held in April annually, the Kite Festival attracts many enthusiasts from all over the world.
Teaching aims: To train students’ writing ability.
Step 3 Discussion
1. What can we use DNA to do nowadays?
Possible answer: a. criminal investigation
b. to get rid of unborn babies with certain diseases c. paternity testing
2. What will we use DNA to do in the future? Possible answers:
a. we can get babies of high quality according to the parents’ will. b. Athletes can stay the good athletic state by inserting certain genes c. Our private information can be revealed by genes.
d. We can know what illness we are likely to get, or even what illness we may die of.
e. We can get rid of certain diseases before we are born.
3. Which ones are benefits? Which may cause harm? How to solve them? Answer: Benefits - d & e Harm - a & b & c Solutions: To be supervised and controlled strictly To be protected seriously
Aim: To train the students’ group work and the ability to speak out bravely.
Step 4 Writing
Write a short essay about DNA according to the discussion. Para 1 Brief introduction DNA, ..., is a science that ....
Para 2 Benefits + Problems + Solutions
DNA does help us in many aspects nowadays, such as .... However,.... For instance, .... Worse still, .... To solve these problems…, Para 3 Conclusion
Hopefully, we can make good use of ... and try our best ..., thus creating ...! Aim: To develop the students’ speaking and writing ability.
Step 5 Presentation
1. Present two essays on the screen and ask two students to grade them. Aim: To develop the students’ language skills.
2. Check the answer and take down the useful expressions.
DNA, the secret of life, is a science that has already caused and will cause great changes in our lives.
DNA does help us in many aspects nowadays, such as criminal investigation and paternity testing. However, if used improperly, it may bring about several problems. For instance, some may use DNA to satisfy their personal or even illegal desires, which may not only alter nature but disorder society. Worse still, people may get stuck in trouble once their personal information is revealed against their will. To solve these problems, firstly, the usage of DNA should be highly supervised and controlled. Besides, personal information is expected to be protected seriously. Hopefully, we can make good use of the benefits DNA brings to us and try our best to prevent its harms, thus creating a peaceful and happy world for us all!
Emotional Value
What you are doing now determines what you will become in the future!
Step 6 Homework
假如你是李華，你的筆友Peter對DNA比較感興趣，他想了解目前DNA當前在中國的利用情況以及你對此的看法，請寫一封信告訴他。 1. 字數：100左右。 2. 可適當增加上下文，使行文連貫。
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