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【多选题】
关于颈动脉主动脉弓压力感受性反射的描述,正确的是A.
压力感受器的适宜刺激是动脉血压对管壁的机械牵张刺激
B.
是一种负反馈调节机制
C.
对快速的血压变化有明显调节作用，而对缓慢而持续的血压变化不敏感
D.
主要生理意义是保持动脉血压相对稳定
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反馈参考答案：
举一反三
【简答题】下述可以确诊早孕的是
【单选题】Beowulf the hero of the poem and his adventures are placed in ______.
A.
Denmark and southern Sweden
B.
England
C.
France
D.
Roman
【单选题】Beowulf , this poem, describes the deeds of the ____ hero Beowulf.
A.
Denmark
B.
Teutonic
C.
Greek
D.
Roman
【简答题】In Beowulf , the reader is first introduced to him as he disembarks from his ship, having just arrived in the land of the Danes. He is an impressive-looking man, huge and strong. When he arrives in Hr...
【判断题】Beowulf’s hero Beowulf is one of the national heroes of the English people.
A.
正确
B.
错误
【简答题】Beowulf , the piece of Pagan poetry in Anglo-Saxon period, narrates the story of a brave hero with the name Beowulf, and it is a long poem with 3182 lines, so it can be called an ______.
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