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【判断题】
水轮机空蚀系数σ越大越容易发生空蚀。A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】女,50岁。阵发性胸痛2周,每次发作持续10分钟左右,运动可诱发,近2周胸痛发作频率增加,休息时亦可有发作,有陈旧心肌梗死病史,该患者暂时不宜做的检查是
A.
心电图
B.
超声心动图
C.
动态心电图
D.
冠状动脉造影
E.
心电图负荷试验
【简答题】硅铁冶炼操作中的“三个坚持”是坚持（），坚持（），坚持（）。
【多选题】The carotid sheath and its contents may be safely retracted as a unit during surgical procedures of the neck. The contents of the carotid sheath include which of the following structures?
A.
common carotid artery
B.
internal carotid artery
C.
internal jugular vein
D.
vagus nerve
【简答题】The carotid containsA. common carotid A. B. cervical superficial lymph nodes C. lingual A. D. phrenic N. E. facial A.
【多选题】The carotid bodies
A.
Are stretch receptors in the walls of the internal carotid arteries.
B.
Have a blood flow per unit volume similar to that in the brain.
C.
Are influenced more by blood PO2 than by its oxygen content.
D.
Generate more afferent impulses when blood H_ ion concentration rises.
E.
And the aortic bodies are mainly responsible for the increased ventilation in hypoxia.
【单选题】— What do you think of the film Inception (盗梦空间) ? — Just so-so. I don’t think it worth ______ a second time.
A.
watching
B.
watched
C.
to watch
D.
being watched
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