如图所示,在成人,颈过伸时,前端可向咽喉方向移动平均()
A.2cm
B.1.0cm
C.1.6cm
D.1.9cm
E.2.5cm
参考答案:D
药品生产企业必须遵守
A.处方药与非处方药B.C批准上市药品C.毒麻药品D.传统中药E.新药
—Thank you for your help.
—___.[ ]
A. No thanks
B. You're welcome
C. That's right
D. All right