如图所示，物体A在光滑的斜面上沿斜面下滑，则A受到的作用力是
A．重力、弹力和下滑力
B．重力和弹力
C．重力和下滑力
D．重力、压力和下滑力
答案：B
The client is taking medication to control his cancer pain. Which of the following statements indicates that the client needs further instruction
A．"I should take my medication around-the-clock to control my pain. "
B．"I should skip doses periodically so I don't get hooked on my drugs. "
C．"It is okay to take my pain medication even if I am not having any pain. "
D．"I should contact the oncology nurse if my pain is not effectively controlled. "
太极套路里演武路线按照什么路线编排？（）
A.九宫
B.形意
C.八卦
