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参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】等长收缩运动时特征性的反应是（）
A.
收缩压增高，舒张压变化不大
B.
收缩压下降，舒张压变化不大
C.
收缩压增高，舒张压变化下降
D.
收缩压下降，舒张压升高
E.
舒张压与收缩压平行增高
【单选题】People who do sleep research tell us that a person is a sort of "information processor." We have two ways to use the information we get each day. The first process is used when we are awake. It takes...
A.
people are likely to sleepwalk
B.
people become mentally active
C.
people often wake up
D.
people might do odd things
【单选题】子宫收缩力异常指的是
A.
节律性、极性、强度均不正常
B.
节律性、对称性正常但失去正常强度
C.
对称性、极性正常，节律性异常
D.
节律性正常，对称性和极性异常
E.
节律性、对称性、极性及宫缩的频率和强度均异常