体育锻炼中常见的生理现象有哪些?
参考答案:
极点(头晕、胸闷、呼吸困难),酸胀,心跳加快
Since her father could not drive her to the airport, she requested her uncle to drive her instead.
A.take
B.bring
C.dispatch
D.deliver
使用液压阀座取出器拔阀座时,装好手压泵及传压管线后,关闭卸压阀,()掀动手压泵手把。
A.左右
B.上下
C.向下
D.向上