某司机开车从来不系安全带，他缺乏的表现是
A．预警行为B．A型行为C．病人角色行为D．生病行为E．违规行为
参考答案：A
Jack has got into _______ habit of collecting newspaper cuttings, which is _______ great joy for him.
A．\ ; a
B．a; the
C．the; a
D．the; the
输精管绝育术术前检查（）。
A.血常规
B.尿常规
C.出凝血时间
D.全身CT
