锅炉缺水的现象:各水位计指示低,给水流量小于蒸汽流量。
参考答案:对
— Where did you go last night?
— I _____ to go to Li Lei's birthday party. [ ]
A. asked
B. am asked
C. have been asked
D. was asked
患者李女士,43岁,近日由于宫颈癌,需做广泛性子宫切除和盆腔淋巴结清扫术。
该患者术后保留尿管时间是()。
A.1~2天
B.3~5天
C.6~9天
D.10~14天
E.2~3周