患者,男,54岁。右胁下痞块,推之不移,按之刺痛固定。此为()
A.虫积
B.气鼓
C.水鼓
D.癥积
E.瘕聚
参考答案:D
______ has an internal clock that regulates the beating of our hearts, and the ______ of our breathing.
A.Mankind; step
B.Human; pace
C.Human being; step
D.Man; pace
利用一副三角板,画出一个角等于150度.