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【单选题】
患者女性，42岁。突发上腹部剧烈疼痛及右肩背部放射痛，恶心呕吐一天。3小时前开始寒战高热。查：表情淡漠，意识模糊，巩膜;腹部压痛、反跳痛、肌紧张，肠鸣音减弱。T39.2℃，P116次/分，BP82/60mmHg;白细胞计数20×109/L。诊断为急性梗阻性化脓性胆管炎。现病人最主要的治疗措施是()。A.
足量使用有效抗生素
B.
立即应用升压药物
C.
静脉补液扩充血容量
D.
解除胆道梗阻，畅通引流
E.
纠正水、电解质平衡紊乱
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举一反三
【单选题】李某在雪天过马路时,不幸遭遇两车相撞身亡。后经交通警察对肇事车辆A、B进行查实,发现事故的原因是A车驾驶员酒后驾车,李某死亡的近因是( )。
A.
大雪天气
B.
A车驾驶员酒后驾车
C.
A车撞击
D.
近因原则
【单选题】After his phone suddenly began ringing, the author______.
A.
immediately started talking to the caller
B.
immediately started talking to his colleague
C.
put the phone away and stopped talking
D.
continued with his fake conversation
【多选题】下列关于红外光谱的表述，哪些是正确的？
A.
只有在偶极矩发生变化的振动才能产生红外吸收。
B.
多原子分子除了共价键的伸缩振动外，还有弯曲振动形式，伸缩振动频率 > 弯曲振动频率。
C.
红外谱图一般分为官能团区和指纹区两部分。
D.
通过红外光谱，能够推断表征出分子结构式。
【单选题】When the students were playing games on the playground, Jim suddenly stopped _____and began to cry, so we stopped _______ what was wrong with him.
A.
to play; seeing
B.
playing; to see
C.
playing; seeing
D.
to play; to see
【单选题】Suddenly, the truck began to slide (滑动). It rolled (转动) two or three times beforeto a stop, tilted into a snow bank on its passenger side.
A.
coming
B.
going
C.
running
D.
returning
【单选题】李某在雨雪天过马路时,不幸遭遇两车相撞身亡。后经交通警察对肇事车辆A、B进行查实,发现事故的起因是A车驾驶员酒后驾车,李某死亡的近因是()
A.
大雪天气
B.
车驾驶员酒后驾车
C.
A车撞击
D.
李某过马路不守规则
【单选题】The taxi driver ________ and began to rob his passenger with a fruit knife when suddenly a policeman turned up.
A.
pulled away
B.
pulled out
C.
pulled over
D.
pulled through
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