下列树种中，对水分适应性最强的是（）
A.杉木
B.旱柳
C.白玉兰
D.合欢
参考答案：B
The wrong you have done to him is terrible，________， in my opinion，you should apologize to him.
A．which
B．that
C．what
D．for which
痿证主要病理是（）
A.肾阳虚衰
B.脾运不健，湿困中焦
C.肺失输布通调
D.筋脉失于濡养
E.邪阻经络，气血运行不畅
