文档介绍：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 bine two different things.
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 bining 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 bine a donut and a pizza?
2.       Who wants bine 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 bine two different ______ or two different ______.
2.       Brian bine ______ 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 bine 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.
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 bine?
2.       What bining a duck and a deer?
3.       Can bine apples and bananas?
Step6. Come to “PROJECT”.
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