2019学年度人教版选修八Unit 2 CloningPeriod4 Grammar教案设计

Teaching goals 教学目标

1. Target language目标语言

a. 重点词汇和短语

bother, regulation, resist, unable, argument, reasonable, obtain, be bound to, from time to time, bring back to life, pay off

b. 重点句子

Altogether Dolly lived for six years, half the length of the life of the original sheep.

The fact that she seemed to develop normally was very encouraging.

2. Ability goals能力目标

Enable the students to learn the modal verbs must, have to, have got to.

3. Learning ability goals学能目标

Help the students learn how to use the modal verbs must, have to, have got to.

Teaching important points教学重点

The use of the modal verbs must, have to, have got to.

Teaching difficult points教学难点

How to teach the students to master the usage of the modal verbs must, have to, have got to.

Teaching methods 教学方法

Study independently and practice.

Teaching aids教具准备

A projector and a blackboard.

Teaching procedures & ways过程与方式

Step Ⅰ Revision

Check the students' homework.

T: Last class we talked something about cloning. Now, who can show your opinion?

S: Let me have a try. In my opinion it is wrong to clone human beings. If my parents decided to have a clone made of me, I would feel very sad and I would never accept the clone as a member of the family or as my friend.

T: Good job!

Step ⅡGrammar

T: Do you know the appositive clauses? Please pick out three more examples from the reading passage.

Sample answers:

The fact is that they are natural clones of each other.

The whole scientific would follow the progress of the first successful clone, Dolly the sheep.

Altogether Dolly lived for six years, half the length of the life of the original sheep.

T: Now let me explain something about the appositive clauses. The appositive clause is a clause used as an appositive. The clause is an explanation to the noun before. The appositive clause belongs to noun clauses. Most of the appositive clauses may be introduced by the conjunction that. A content clause is frequently in apposition