经血液传播
A．庚型肝炎病毒 B．流感病毒 C．戊型肝炎病毒 D．水痘-带状疱疹病毒 E．鼻病毒
参考答案：A
It was probably _______ the wrong operation(操作) of the pilot that caused the plane to crash.
A．because of
B．because
C．as a result
D．\
中风的主要病机是
A．脑B．原始因素和诱发因素C．肝肾阴虚D．肝风痰火血瘀E．阴阳失调，气血逆乱，上冲于脑
