伤口分泌物较多,肉芽组织水肿苍白宜用()。
A.凡士林纱布
B.3%~5%盐水湿敷
C.10%硝酸盐涂擦创面
D.1:1000苯氧乙醇湿敷
E.漂白粉硼酸溶液湿敷
参考答案:B
—Did Kate do best in the final exam?
—No, but of all the students she did .
A.the most careful
B.more careful
C.most carefully
D.more carefully
空气锤在连续工作时,锤头悬空的时间不要超过(),以免锤杆发热和浪费能量。
A、1min
B、2min
C、3min
D、4min