3. I don’t think that rock music is terrible , ______?

　 A. do I　　 B. don’t I　　 C. is it　　 D. isn’t it

2. Martin Cooper , a US researcher , was considered _______ the first cell phone .

　 A. invented　　 B. to invent　 C. having invented　 D. to have invented

1. They walked together as far as the second crossing ____ they parted .

　 A. when　　 B. which　　 C. why　　 D. where

20.　 If you think that someone_____________________________________________(可能中毒了)，you should do the following. (poison)

19. ____________________________________________(你认为哪些生词会有用) when you talk about accidents and first aid? (think)

18. They ran away ______________________(如此恐慌) that they dropped their bags and shoes. (panic)

17.　 He ____________________________________(翻身) to a comfortable position.(roll)

16. It is suggested that you bring a cell-phone when you are out traveling _________________________________(以防出现紧急情况). (emergency)

15. The house_________________________(着火了)last night. It was caused by some children playing with fire.(fire)

14. If the person is not breathing, we must try to ___________________________(使他马上开始呼吸).(breath)