支气管扩张合并咯血,宜选用()
A.支气管扩张药
B.抗生素
C.止血药
D.镇静药
E.镇咳药
参考答案:B, C, D, E
— Good afternoon, Miss Lee. How does Mike feel?
— He's tired. He ___________ a lot of work ___________.[ ]
A. does, this morning
B. do, this morning
C. did, this morning
关于牛肉的辨别,正确的是()
A.牦牛肉比黄牛肉好
B.水牛肌肉间脂肪多
C.黄牛肉肌肉较粗
D.肌肉组织较致密的是水牛