下列哪个种类的梨耐寒性最差()。
A.白梨
B.沙梨
C.秋子梨
D.西洋梨
参考答案:A
Generally speaking, the publishers will send you a specimen copy of their new books when ________.
A.requested
B.requesting
C.having requested
D.to be requested
大便秘结,发热腹痛属于()。
A.热结肠道,热盛伤津
B.津液亏少,肠道失润
C.阴血不足,肠失濡润
D.气虚失运,传送无力
E.阳虚寒凝,气机滞塞