单项选择题
For the second time, the man's head was hit by（）
A．the box of bricks B．the ladder C．the top of the buliding D．the pulley
单项选择题 After their first experience young people （）
单项选择题 The word "high" means（）
单项选择题 Which of the following is not mentioned as the reason of drinking and using drugs in the passage（）
