下列各项，哪项不是砂炒的目的
A．增强疗效
B．降低毒性
C．矫臭矫味
D．便于洁净
E．中和胃酸
参考答案：E
肾下垂的诊断是静脉尿路造影卧位改为立位时肾位置下移超过（）
A.1cm
B.3cm
C.5cm
D.8cm
E.10cm
Nowadays young people in modern cities in China can get a bit _____ only when
they are at weekends. [ ]
A. to be relaxed
B. relaxed
C. relaxing
D. to relaxing
