关于"多发性硬化"的影像表现,哪项不对()
A.静止期病灶不强化
B.可有脑萎缩
C.常有脑肿胀
D.反复发作则病灶新旧程度不一
E.亚洲患者多为急性或亚急性起病
参考答案:C
The girl looked at me with a _____ expression. Maybe the problem was quite _____.
A.puzzled; puzzling
B.puzzling; puzzled
C.puzzled; puzzled
D.puzzling; puzzling
昆虫的季节消长因气候条件的改变而有不同的表现。( )