瘢痕性睑内翻常用手术方法有________、________、________、________。
参考答案:睑板切断术 睑板部分切除术 睑板全切除术 睑板、睑结膜游离移植
Unless they are programmed by humans, computers are nothing more than big pieces of metal. But once _____ what to do, they show extraordinary power in carrying it out.
A.taught
B.teaches
C.teaching
D.to teach
患者,女,11岁,磕碰后易出现皮肤瘀斑,化验凝血时间延长,血清凝血酶原时间缩短,血浆凝血酶原时间正常提示
A.凝血活酶形成障碍B.凝血酶形成障碍C.纤维蛋白形成障碍D.血小板质或量的异常E.血管壁异常