Unit 12 Life is full of the unexpected
Section A 1 (1a-2d)
一、教学目标：
1. 语言知识目标：
1) 能掌握以下单词及短语：unexpected, by the time, backpack, oversleep, ring, give …a lift,
2）掌握By the time I got outside, the bus had already left.
When I got to school, I realized I had left my backpack at home.
3) 掌握过去完成时时态，结构及用法。
2. 情感态度价值观目标：
能学会合理安排自己的学习和生活，做到守时守信。
