复习目标:1.Words and useful expressions in this unit .
2. Make predictions .
重难点:1 and 2 above .
一.课前预习:
Read through this unit and finish these exercises :
Task 1. Words in this unit .
1.将________ 2.机器人 ________ 3.每件事物 __________ 4. 污染_________
5.建筑物_________ 6. 宇航员 ________7.火箭__________8.单独的 _________
9.大概__________ 10.哪个_________ 11.甚至 ________ 12.面试 ___________