具有保护松动基牙的夹板作用的卡环是()
A.延伸卡环
B.联合卡环
C.对半卡环
D.尖牙卡环
E.倒钩卡环
参考答案:A
Jenny pushed the door again to ______ it ______.
A. make sure if; was closed
B. make sure that; was locked
C. found out it; was shut
D. find out that; was open
关于临终关怀符合伦理学的原因,说法错误的是()。
A.可以减轻家庭的经济负担
B.客观上可以节约卫生资源
C.提高病人的生命质量
D.可以缩短病人的痛苦的生命时限
E.为了人类文明的进步