被蝎,蜂蛰伤后,宜选用 ( )
A.艾炷灸
B.隔盐灸
C.温和灸
D.隔蒜灸
E.隔附子饼灸
参考答案:D
曲线y=2x﹣x3在x=﹣1处的切线方程为[ ]
A.x+y+2=0
B.x+y﹣2=0
C.x﹣y+2=0
D.x﹣y﹣2=0
Yesterday, Jane walked away from the discussion. Otherwise, she ____ something she would regret later.
A.had said
B.said
C.might say
D.might have said