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问题 选择题

It`s hard _____ a job. [ ]

A. to look for

B. to find

C. to find out

D. to look at

答案

答案：B

单项选择题 共用题干题

患者女，12岁，于跑步时突然出现黑蒙，胸痛、呈隐痛、无放射痛、吸气时加剧、呼气时好转。遂蹲下休息，症状好转，后起立时黑蒙加剧并晕倒。大约30min后转醒，无尿、粪失禁。在此前1周曾有上呼吸道感染史。后患者被送至当地医院，测血压70/30mmHg；EKG：窦性心律、频发室性期前收缩、短阵性室性心动过速、心肌缺血（Ⅰ、aVL、V～V导联呈损伤型改变）；心肌酶谱升高CK4077U/L，UCG：LA33mm，LVDD57mm，LVSD44mm，EF48%（①左心室增大伴收缩功能轻度减弱；②二尖瓣稍增厚伴轻度二尖瓣反流；③轻至中度肺动脉高压）。

为控制症状，该患者的首选药物是（）

A.利多卡因

B.泼尼松

C.干扰素

D.培哚普利

E.FDP
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单项选择题

When is a stand-on vessel FIRST allowed by the Rules to take action in order to avoid collision?（）

A.When the two vessels are less than half a mile from each other

B.When the give-way vessel is not taking appropriate action to avoid collision

C.When collision is imminent

D.The stand-on vessel is never allowed to take action
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