教师通过复习已有的知识，从中引出新知识的导入方法是复习导入。
参考答案：对
1. Which image is not like the others?
Answer:
2. A doctor and a salesman fell in love with the same girl. The salesman had to leave for a week on
business and so he gave the girl seven apples, why?
剪刀撑斜杆的接长均应搭接，搭接长度不少于1米，应设置不少于2个旋转扣件。
