鲁教版五四制七年级英语上册Unit2 Period 4教案
Step One: Show the preview works (text-books and note-paper).
Teacher : 1. Draw a check table on the blackboard.
2. Listen to the report from the winners. Try to find out how the students preview, and sum up .
3. Show the aims for students to choose.
( At the same time, students step into the second step slowly, some by some.)
Step Two: Le arn by themselves.
Students: 1. Decide my own aims.
2. Self-study:
1) correct the ir wrong answers
2) listen to the tape again and repeat
3. Group-study: Talk about their problems.
Teacher: Show the teacher’s problem
and和or 的区别和用 法
并列结构中,or通常用于否定句,and用于肯定句。
There is no air_____ water in the moon.
We will die without air _____ water.
在否定中并列结构用or 连接,但含有两个否定词的句子实际被看作是肯定结构,因此要用and。