冀教版九年级下册英语《Lesson 9: What’s a “Horkey”?》精品教案

桂馥兰香

Unit 2 DNA
Lesson 9: What’s a “Horkey”?
Teaching Content:
Mastery words and expressions: helpful, at the same time
Oral words and expressions: DNA, combine, juicy, mule, donkey
Teaching Aims:
1.Know more about cloning.
2.How to combine two different things.1. 掌握的词汇及短语
helpful, at the same time 2. 识别的词汇短语
DNA, combine, juicy, mule, donkey

Teaching Important Points:
1.Talk about the ability and inability.
2.The use of coordinating conjunctions.
3.Combine two different things.
Teaching Difficult Points:
Talk about the ability and inability.   Teaching Preparation: pictures
Teaching Aids: flashcards, audiotape, pictures    Type of lesson: new lesson
Teaching Procedure:
Step1. Lead in the class by showing some pictures about combining to the students. They may be about different things, such as food, fruit, animals and other things.
Step2. Listen to the tape and answer the following questions:
1.Can Danny combine a donut and a pizza?
2.Who wants to combine a cow and a chick?
Let the students answer the questions with the help of the pictures. Finish the task in oral in class.
Step3. Read the text and fill in the blanks with the correct words.
1.We can combine two different ______ or two different ______.
2.Brian would combine ______ and ______.Look through the whole text quickly and answer the questions in class in oral.
Step4. Encourage the students find the new words in this lesson. Give more examples and let the students understand more about the words.
I would combine a donut and a pizza.
Then I could have breakfast and lunch together.
Then I would have little, juicy bananas.
Do you know what a mule is?
It has a horse as mother and a donkey as a father.
二、重点语句分析：
1.I would combine a donut and a pizza .Then I could have breakfast and lunch at the same time. 我会将炸面包圈和比萨饼混合在一起。那样早餐和午餐我就可以一起吃了。
(1).combine…and/with…（使物件）结合或混合形成一个整体，联合，组和，合并。
eg. 我们经常把面包和奶油混合着吃。
We often combine bread and/with cheese .
(2).at the same time在同一时间，同时。
eg. 我认为你同时不可能做好两件事。
I don’t think you can do two things well at the same time.
2.You need to choose two living things: two different plants or two different animals. 你需要选择两种生物；两种不同种类的植物或两种不同的动物。
(1) living things  生物                                     (2) two different plants.  两种不同的植物
3.Then I would have little, juicy bananas.
那样我就可以吃到多汁的小香蕉了。
little  (adj.)  小的
eg. 我有一个小妹妹。
I have a little sister.
4.That’s what I would make.
那就是我要做的（组合的）。
5.My new animal would make the biggest eggs in the world.
我的新动物会产下世界上最大的蛋！
make/lay eggs下蛋，产蛋
6. What if you could combine other animals or plants to make something new?
假若你能将其它动物杂交成其他新的动物，或将植物嫁接成其他新的植物，那将会是什么样呢？
What if+陈述句？等同于What will happen if+陈述句？意为“如果…将会怎么办？” “如果…将会怎么样？”用来假设一种情景之后询问结果。
eg. 如果他们不来怎么办？
What if they don’t come?
7. Mules are very helpful animals. They are big like horses and strong like donkeys.
骡子是非常有用的动物，像马一样大，像驴一样强壮。
helpful 有用的，有帮助的
（名词+ ful → 形容词 ）
eg. careful   useful   thankful

Step5. Read the text again and encourage them to find more questions about the text. One student stands up and asks a question. The others who want to answer can stand up and answer it as quickly as he can. For example:
1.What would you combine?
2.What about combining a duck and a deer?
3.Can we combine apples and bananas?
Step6. Come to “PROJECT”.
Finish the task in groups of three or four students.
Think about something that is combined by two different things. Each of the group writes his answer down and shows it to others. Then choose the most meaningful one to study.
What will your group combine? What if you combine the two things? What can it do for us? What’s its advantage?
Talk about the questions above, then sum their ideas.
Give a report in front of the class. Demonstrate your ideas. Describe the thing that you combine in detail. Describe its advantages and disadvantages.
Step7.Homework
1.Finish off the exercises in activity book.
2.Go on the next reading in the student book.
Summary
In this lesson, we learn to combine two different things together. In order to get new living things, we must make full use of our imagination. What can the things that we combine are used for? It is important for us to discuss. During the discussion, we practice our spoken English.
练习
Ⅰ. Fill in each blank with the proper word from the brackets:
1.What is ___________(big) animal in the world?
2.These oranges are __________(juice). Please have some.
3.A horse is a __________(help) animal.
4.Look! My computer doesn’t work. I need  __________
  (repair) it. Does your computer need
      _____________________ (repair)?
5. Would you mind __________(open) the door for me?
  No, not all. I have made up my mind ______(help) you.
6. The boy ________(call) Mike was once a thief, but now
  he __________(call) “living Lei Feng”.

Ⅱ.根据汉语意思完成句子，每空一词：
1.我们都叫他小李。
We all _________ _________ Xiao Li.
2.昨天晚上我和父亲同时到家。
My father and I got home _____ ______ _____ _______
yesterday evening.
3.这个动物的耳朵像兔子的耳朵。
The animal’s ears ________ _________ the rabbit’s.
4. 他们把不同的零件放在一起。
   They _________ these different parts __________.
5. 我可能会把恐龙和兔子结合起来。
   I might _________ a dinosaur _________ a rabbit.