据《灵枢·营卫生会》所载，人体营卫之气大会的时间是
A．日中
B．平旦
C．日入
D．日西
E．夜半
参考答案：E
_______ a reply, he decided to write again.[ ]
A. Not receiving
B. Receiving not
C. Not having received
D. Having not received
橙黄色烟雾信号在引燃后应抛向（）。
A、上风舷外
B、下风舷外
C、艇尾后
