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
I regret to have not paid more attention to our English lessons at school.
A.not paying
B.not having paid
C.have not paid
D.not to have paid
左侧结肠癌常有的临床表现是
A.贫血、乏力、腹部肿块B.肠梗阻、排便习惯与粪便性状改变C.两组均有D.两组均无