患者男性,20岁,踝关节扭伤,为防止皮下出血和组织肿胀,在早期应选用
A.局部按摩B.红外线照射C.冷湿敷D.热湿敷E.放置热水袋
参考答案:C
I ___________ three new teachers. [ ]
A. there
B. has
C. have
若行使价格小于标的证券价格,则认购权证是价外,认沽权证是价内。( )