病人心绞痛时常感到下列哪个部位疼痛
A．右胸骨
B．脐周
C．左上肢尺侧
D．右肩胛
参考答案：C
An increase in the price of drugs has _____ the rising cost of medical care.
A．contributed to
B．brought up
C．burst into
D．resulted from
病儿就诊时的第一步检查是
A．肾功能
B．尿常规
C．尿红细胞形态检查
D．血补体C3、ASO
E．肾B超等影像学检查
