正颌外科的头影测量正中矢状面标志点中，S点是指（）
A.蝶鞍点
B.鼻根点
C.鼻前棘点
D.颏前点
E.后鼻棘点
参考答案：A
Which of the following statements is FALSE All else equal, a floating-rate bond with:（）
A. coupon reset dates every 3 months will have more price fluctuation than a bond with reset dates every 6 months.
B. a fixed-margin rate in the coupon formula will experience greater price fluctuation than a bond with an adjustable margin rate.
C. an interest rate cap will have more price fluctuation than a bond with no interest rate cap.
不得开架自选销售的药品是（）
A.非处方药
B.甲类非处方药
C.乙类非处方药
D.处方药
E.处方药与非处方药
