Reading and vocabulary教案和课堂实录

Topic : Book6 Module5 Cloning and DNA Teacher Analysis On Learners

Teaching Content Zhaoxiao Mei The students of class 1 know little about the professional knowledge of DNA and cloning for they learn literal arts, yet they have their own opinions and attitudes towards cloning. Therefore, I will try to lead them to acquire some basic knowledge of this topic and develop their interest in it and build up good values. The content of my lesson is a reading material, through the learning of which, I will enable students to know a few important scientists and biochemists like Watson and Crick, who made great contributions to cloning and DNA, and get the four advantages of cloning that are separately written in the material. Inspire students to think more about cloning. Knowledge 1.

Students can explain some professional terms, such as DNA, clone, stem cell and so forth. 2.

Students can list some advantages and disadvantages of cloning. 1.

Students are able to get the main idea of a passage by looking through it. 2.

Students are able to explain reasons as well as vices and virtues in a proper way. 1.

Students should know the effects of high technology on human beings’ life. 2.

Students should be developed the thought that they are supposed to work hard to repay the society by drawing upon these high technology Teaching Aims Abilities Emotions Important points Difficult points Teaching methods Teaching Aids

What are the advantages of cloning? Help students to obtain some basic knowledge of DNA and cloning. Communicative approach Task-based language teaching Discussion method A computer and whiteboard Teaching Procedures Students’ Activities 1 Purposes

Step1 Leading-in 1.Greeting T: Hi, ladies and gentlemen. The sunshine outside is shining. How are you going today? S: Great/Not bad/Just so-so. T: Although this is an English class, now I want to ask you a biological question.

What is the shape or structure of DNA? S: A transparent twisting ladder. T: How do you get the answer? S: In the Biology lesson/ By reading the material named cloning and DNA T: Well done. If you preview the reading material, you can answer my question immediately.

Today we will learn cloning and DNA together. Before studying it, I’d like to share a video about the topic with you. 2.Brainstorm

T: Please review the new words that we have learned in module5, which are related to cloning?

S: Gene, embryo, enzyme, genetic, tissue

T: Can you explain these terms in English by your own words?

S: Gene is….

Tissue is…. ( If students can’t do it, teacher can offer help) To arise students’

interests and lead in the topic of this lesson. Step2 Skimming

Divide the passage into three parts and find out the main To let students know idea of each part. the structure of the

article 2

Step3 Careful reading

Fill the gap-filling according to the passage. To let students get 1866 more details

Mendel first recorded the results of growing _______ plants. He understood that both the parent plants had influenced the _________

__________ of the new plant. 1953 Two scientists in England __________ the __________ of the __________

DNA. 1973 Two __________ discovered a __________ to use __________ to _______ DNA, to cut out a __________ of _______, and finally to _______ them into the host _______.

Step4 Post reading

Step5 Conclusion

Finish activity5 on page 65 Reference: a c d d a 生命的基本成分

fundamental components of life 基因构成

genetic make-up 发现一个程序

discover a procedure 切掉一系列基因

cut out a sequence of genes 与……一样

be identical to 受到压力

under pressure 与……相反

be contradictory to 有优缺点

possess vices and virtues

a.

Read the passage carefully again. b.

Translate the article into Chinese

Homework

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