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【单选题】
经长期运动训练后错误的是A.
心肌纤维增粗
B.
射血充分
C.
心肌收缩能力增强
D.
安静时心率加快
E.
安静时心率减慢
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举一反三
【单选题】If you catch the 5:30 p.m. bus at Disneyland, how long does it take to get to Beach?
A.
30 minutes.
B.
9 minutes.
C.
15 minutes.
【简答题】S7-200PLC定时器的PT值最大可设数值为多少
【简答题】A．They are difficult to read. B．They are slowly falling apart. C．They were not made from wood pulp. D．They should be stored in a cold place
【简答题】A．They are difficult to read. B．They are slowly falling apart. C．They were not made from wood pulp. D．They should be stored in a cold place.
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