问卷的问句设计,要求"提问要具体",指的是原则上应一题一问,不可一题多问。
参考答案:错
This book tells life story of John Smith, who left school and worked for a newspaper at the age of l6.
A.the;the
B.a;the
C.the;不填
D.a;不填
泻下类中药宜在何时服用:()
A、空腹服
B、饭后服
C、饭前服
D、睡前服