临床上龋齿按病变进展情况分为（）。
A.慢性龋
B.急性龋
C.静止龋
D.继发龋
E.深龋
参考答案：A, B, C, D
It is reported that there was an air crash in Cuba. Nobody on board ______ it with all the passengers
and the crew killed.[ ]
A. avoided
B. escaped
C. missed
D. survived
患者，女，32岁。行经后小腹部绵绵作痛，喜按，月经色淡，量少。治疗应首选（）
A.三阴交、中极、次廖髎
B.足三里、太冲、中极
C.丰隆、天枢、气穴
D.阴陵泉、中极、阳陵泉
E.三阴交、足三里、气海
