“藏象”的含义是（）
A.脏腑的生理功能
B.脏腑经络的生理功能
C.内脏机能活动反映在外的征象
D.脏腑解剖形态及其生理功能
E.以上都不是
参考答案：C
When he saw we were upset, he began to ____ us for hours with his stories and jokes.
A．encourage
B．educate
C．entertain
D．astonish
氧-乙炔火焰有几种？使用最普遍的是哪种火焰？
