关于肌肉撕裂的超声诊断,叙述错误的是()
A.肌肉撕裂均能被超声显示
B.首选高频探头
C.超声诊断应注意并发症
D.超声可以用于肌肉撕裂的愈合随访
E.必要时可加压扫查
参考答案:A
— Is your mother still a teacher?
— ______.
A.Yes, she was
B.She didn’t use to
C.No, but she used to
D.No, but she used to be
正压呼吸器中压管线承载压力为()大气压。
A.100
B.200
C.300