颅前窝骨折易损伤的神经是()
A．嗅神经
B．视神经
C．面神经
D．听神经
E．第Ⅸ～Ⅻ脑神经
参考答案：A,B
What he did at the party really ___ his mother yesterday.
A．disappoint
B．disappointed
C．disappointing
D．disappoints
正常通气血流比值为0.6。（）
