()对申请材料的实质审查必须对申请材料的合法性进行审查。
参考答案：对
Zhang Guorong’s singing career _________ about over 20 years. It was his ________
appearance at singing in public.
A．last ;last
B．lasted for; last
C．lasted; lasted
D．lasted for; lasted
延胡索镇痛作用的特点是：（）
A.对钝痛优于锐痛
B.对锐痛优于钝痛
C.副作用少而安全
D.无成瘾性
E.有成瘾性
