内脏穿孔()
A.上腹部钻顶样痛
B.上腹部刀割样痛伴腹肌紧张
C.右上腹绞痛
D.上腹部烧灼痛伴反酸
E.中上腹持续性剧痛,阵发性加剧
参考答案:B
The house you have just bought is ___ mine.
A.as three times big as
B.three times the size of
C.three times the size than
D.as big as three time that
高频电疗法中短波的波长、频率、输出功率为()
A.波长10~1m,频率30~300MHz,输出功率250~300W
B.波长1000~100m,频率30~3000MHz,输出功率250~380W
C.波长100~10m,频率3~30MHz,输出功率250~300W
D.波长10000~1000m,频率300~3000MHz,输出功率220~250W
E.波长10000~1000m,频率300~3000MHz,输出功率220~250W