急性胰腺炎最基本的治疗方法是哪一项
A.禁食及胃肠减压
B.使用抗生素
C.使用糖皮质激素
D.手术治疗
E.注射阿托品
参考答案:A
Remember never to ask a European and an American personal questions. It is almost certain that
they ______ for it . [ ]
A. are not prepared
B. don't prepare
C. haven't prepared
D. are not preparing
对事故势态的()决定了整个应急行动的效率。