心肺复苏时的A、B、C是指
A．保持呼吸道通畅
B．药物治疗
C．脑复苏
D．人工呼吸
E．心脏按压
参考答案：A,D,E
“________ do you exercise?” “Three times a week. ”
A．How long
B．How often
C．How far
D．How many
新录用的公务员试用期为半年。( )
