不宜应用高温灭菌的是
A.搪瓷类
B.刀剪类
C.玻璃类
D.敷料类
E.橡胶类
参考答案:B
解析:刀剪为锐利金属器械,高温消毒会使之变钝,因此一般不采用高温灭菌,而采用浸泡法。
When this boy was asked to copy down the sentence ten times, he did nothing but _____deeply with a blank look on his face.
A.sigh
B.sight
C.sign
D.signal
缺铁性贫血的特异性表现为
A.头晕
B.活动后气短
C.眼花
D.耳鸣
E.异嗜癖