热结旁流，脐腹疼痛，按之坚硬有块，口干舌燥，脉滑实者，治宜选用( )
A．济川煎B．小承气汤C．调胃承气汤D．黄龙汤E．大承气汤
参考答案：E
-Have you ________ been to Xiamen?
-I have _____been to Xiamen[ ]
A. ever, never
B. never, ever
C. ever; ever
D. never, never
KY-310型牙轮钻机提升、行走电动机为（）电动机。
