1.( )Everyone is supposed ___________ a seat belt in the car in order not to be hurt
A. wearing B. to wear C. to be worn D. to wearing
10.run out of the water _______________________________________________________
9.dig himself out of an avalanche _______________________________________________
8. have to do something to save his own life ______________________________________
7.have a good safety and health record___________________________________________
6.get something in his eyes ___________________________________________________
5.流鼻血_________________________________________________________________
4.撞到了头_______________________________________________________________
3.学会去冒险_____________________________________________________________
2.一个对爬山运动有着浓厚兴趣的人_________________________________________