上尿路结石典型的症状是()。
A.血尿+尿痛
B.腰痛+血尿
C.腰痛+脓尿
D.尿频+血尿
E.腰痛+尿痛
参考答案:B
监理工程师中心试验室应按()的频率独立进行抽样检查,以确定承包人的抽样试验是否真实可靠。
A.5%~15%
B.10%~15%
C.10%~20%
D.5%~10%
Fortunately somebody who happened to be passing by called the fire department ______ the fire broke out.
A.hurriedly
B.quickly
C.immediately
D.shortly