高速旋转机械的起动试运转，开始时应作短时间运转，并观察其转速逐渐（）所需的滑行时间。
A.升高
B.运行
C.停止
D.降低
参考答案：B
— How is the result, doctor?
— Well, your health is ______ good, but you do have a few minor problems.
A．occasionally
B．frequently
C．generally
D．regularly
中国跆拳道队是在哪一届亚运会上首次获得亚运会金牌？
