适用于远中孤立磨牙的卡环是
A．嵌体B．半冠C．烤瓷熔附金属全冠D．桩冠E．3/4冠
参考答案：C
I have ______ to tell you. [ ]
A. anything exciting
B. exciting something
C. exciting anything
D. something exciting
以下非洋地黄类强心剂中，何者不能扩张外周血管，减轻心脏后负荷()
A．二联吡啶酮
B．多巴酚丁胺
C．多巴胺
D．氨利酮
E．胰高糖素
