三七药材粉末镜检可见()
A.乳汁管
B.油室
C.油管
D.油细胞
E.树脂道
参考答案:E
适合危重支气管哮喘的治疗手段是()
A.高PEEP
B.液体通气
C.氦氧混合气辅助通气
D.腹卧位通气
E.体外膜肺
What’s the difference between Wal-Mart in China and in USA().
A. It’s not big.
B. Trust-Mart is a branch of Wal-Mart.
C. Wal-Mart permits labor unions into its stores.
D. Wal-Mart is loath to give discounts.