胸廓扩张度检查时,嘱被检查者作深呼吸,观察比较两手感触到胸廓的活动度情况
A. 对
B. 错
超声波可以以纵波、横波、表面波等波型传播,在超声诊断中主要应用的是:( )
A. 横波
B. 表面波
C. 纵波
D. 球面波
E. 以上均不是
What statement about sitting arrangement is not ture?
A. Sit people who have common interests together
B. Pair male and female guests
C. Sit guests of honor in order
D. The most important person should be seated at the left hand of the host