关于Barrett食管,下列错误的是()
A.又称柱状上皮被覆食管
B.属癌前病变
C.为先天性改变
D.与反流性食管炎有关
E.镜下有肠、胃窦和胃体黏膜三种类型
参考答案:C
声相关计程仪不仅用于计程,而且可用来()。
A.测量水深
B.探测海底性质
C.测量鱼群
D.测危险物方位
Downing Street is fighting fiercely for something it hopes it shall control: its reputation. "[The BBC] is now saying, ’Nobody ever said the prime minister told a lie,’ but that’s exactly what they’re saying," Alastair Campbell, Blair’s director of communications, told Newsweek. "That’s pretty heavy."
A.could
B.would
C.can
D.will