【单选题】An obstruction on a helodeck is any object that might present a hazard to the ______.
A.
rotor blades and landing gear
B.
unloading of passengers
【单选题】我国目前关于幽门螺杆菌的治疗,正确的是
A.
14岁以下儿童幽门螺杆菌感染者不建议进行根除治疗
B.
目前一线的抗幽门螺杆菌方案为:PPI标准三联方案
【单选题】If you observe any situation which presents a safety or pollution hazard during fuel transfer operations, which of the following actions should be taken FIRST?
A.
Close the valves at the transfer manifold
B.
Notify the person in charge of the shore facility
C.
Shut down the transfer operation
【单选题】根除幽门螺杆菌可使溃疡彻底治愈,目前临床上常用“三联疗法”,即1种质子泵抑制剂(或铋剂)+2种抗生素,以下三联疗法方案正确的是( )
【单选题】We have to think very carefully before we take any action, because it's a very ______ situation we are in.
【单选题】关于幽门螺杆菌在消化性溃疡中的作用,以下错误的是
B.
分泌尿素酶,释放白三烯和多种细胞毒素,破坏胃黏膜
E.
临床多采用以质子泵抑制剂或以铋剂为基础的多种药物联合方案进行根除治疗
【单选题】限额设计目标是在初步设计前,根据已批准的( )确定的。
【单选题】下列关于幽门螺杆菌的治疗,正确的是
A.
14 岁以下儿童幽门螺杆菌感染者不建议进行根除治疗
B.
目前一线的抗幽门螺杆菌方案为: PPI 标准三联方案
【单选题】限额设计目标是在初步设计之前,根据已批准的( )确定的。