发生触电事故时，现场处理分为：迅速脱离电源、简单诊断和对症处理三部分。（）
参考答案：对
隐性黄疸时，血清总胆红素为（）。
A.3.4～17.1μmol／L
B.1.7～34μmol／L
C.171～342μmol／L
D.17.1～34.2μmol／L
E.34.2～171μmol／L
He painted his bedroom black. It looks dark and dreary. He should choose a different color.
A. had to choose B. should have chosenC. must have chosen D. could have been choosing
