急性阑尾炎有___、___和___三种主要类型。
参考答案：急性单纯性阑尾炎；急性化脓性阑尾炎；急性坏疽性阑尾炎
___ a very rough sea, with waves ten metres high.
A．It were
B．This will be
C．It was
D．There’ll be
阳虚便秘，腰膝冷痛，最适宜的药物是（）
A.黑芝麻
B.胡桃肉
C.当归
D.火麻仁
E.肉苁蓉
