面瘫发病3周内,神经兴奋性试验大于多少表明预后不佳()
A.>1.5mA
B.>2.5mA
C.>3.5mA
D.>4.5mA
E.>5.5mA
参考答案:C
.There are over 58,000 rocky objects in__________ space,about 900 of which could fall down onto earth.
A.the rhe
B.不填 the
C.the不填
D.a the
在社会生产总过程中,起着主导和决定作用的环节是()
A.生产
B.分配
C.交换
D.消费