女性,25岁。2天前咳血痰,今日咯血量达200ml左右。既往身体健康。体检:T37.0℃,右肩胛下少量细小啰音,心尖部2级柔和收缩期杂音。X线胸片无异常发现。若需作体位引流,病人应取
A. 半卧位
B. 头低足高左侧卧位
C. 头低足高右侧卧位
D. 俯卧位
E. 仰卧位
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He is an ____________ boy. He is always ready to argue.
A. energied
B. engeryly
C. energy
D. energetic
The good news caused great ____________ among students.
A. excite
B. excitement
C. exciting
D. excited
________ you recite the article ? It’s so difficult.
A. Should
B. Would
C. Must
D. Can
_______ we have dinner together? It’s six o’clock now.
A. Should
B. Shall
C. Must
D. Can