哪些属于D类火灾?
参考答案:金属火灾。如钾、钠、镁、锂等
We have got a general idea of how our new flat will be decorated, but nothing ______ at the moment.
A.ambiguous
B.ambitious
C.concrete
D.permanent
下列关于特发性面神经麻痹的描述正确的是()
A.多为慢性起病
B.双侧受累多见
C.多伴有舌后1/3味觉丧失
D.Bell征阳性
E.多数患者不能恢复