肾盂造影发现原来的结石下降至输尿管上段。典型的症状为( )
A．尿潴留B．尿急、尿频C．排尿困难D．排尿中断E．肾绞痛和镜下血尿
参考答案：E
There ________ great changes in Zhangzhou since 2010.
A. have had B. has been C. have been
邪正盛衰决定着（）。
A.病证的寒热
B.病位的表里
C.气血的盛衰
D.病证的虚实
E.病势的轻重
