休克时患者的体位应处于()
A．中凹位
B．头低足高位
C．平卧位
D．半坐卧位
E．头高足低位
参考答案：A
During the 1890s,Henry Ford spent long hours working on his new car in a shed behind his home, ____his neighbors to call him “Crazy Henry”.
A．only to cause
B．to be caused
C．causing
D．having caused
依据反映层次的系统性，知识可以分为()和理论知识。
