疖的特征()
A.初起疮形如粟,突起根浅
B.初起即有粟粒状脓头,坚硬根深
C.皮肤突然变赤,如丹涂脂染
D.初起有多个粟粒状脓头
E.漫肿皮色不变,疼痛彻骨
参考答案:A
Can you make sure_______ the gold ring?
A.where Alice had put
B.where had Alice put
C.where Alice has put
D.where has Alice put
“使用者/操作者失误”也是可报告的医疗器械不良事件报告吗?