My friend me at the park gate (门口) yesterday.[ ]
A. meet
B. met
C. meeting
答案：B
Tom ______ swimming for 3 hours, and his son ______ an hour ago. [ ]
A. has started; has started
B. have started; has started
C. started; started
D. has been; started
下列哪个理论构成护理程序的理论框架
A．人类基本需要理论
B．系统论
C．成长与发展理论
D．应激与适应理论
E．控制论
