学前教育学
class Flow { public static void main(String [] args) { try { System.out.print("before "); doRiskyThing(); System.out.print("after "); } catch (Exception fe) { System.out.print("catch "); } System.out.println("done "); } public static void doRiskyThing() throws Exception { // this code returns unless it throws an Exception } } 可能会产生下面哪两项结果?() ["before","before catch","before after done","before catch done"]
绝对值
库房加工车间()要有洗手和消毒设施,如工作鞋、靴的消毒池。 ["内","外","出口处","入口处"]
患儿男,4岁。高热、咳嗽、咽痛,查体见咽红、扁桃体Ⅱ度大,血常规见白细胞高,诊断为小儿扁桃体炎,选用头孢他啶治疗。已知头孢他啶的半衰期约为2小时,每日给一定治疗量,血药浓度达稳态浓度须经过()。 ["2小时","4小时","6小时","10小时","20小时"]
简述周日不等现象。