B型超声是指 ( )
A.振幅调制型
B.亮度调制型
C.彩色血流显像
D.多普勒血流频谱显示
E.以上都不是
参考答案:B
—What's the ______ today? It's October twelfth. What ______ is it today?
—It's Sunday. [ ]
A. date, day
B. day, date
C. date, date
D. day, day
旋毛虫病患者肌肉剧痛的特点
A.不累及心肌
B.累及咽喉肌可有吞咽困难和音哑
C.自觉肌痛或压痛,以腓肠肌为甚
D.全身肌肉疼痛剧烈
E.多与发热同时或继发热、水肿后出现