脊髓损伤后的并发症包括（）
A.关节挛缩
B.异位骨化
C.痉挛
D.压疮
E.尿路感染
参考答案：A, B, C, D, E
Tony, tell me the result of the discussion _______ you had with your dad yesterday. [ ]
A. what
B. which
C. when
D. who
下列关于丹参药用部位正确的说法是（）
A.叶
B.全草
C.根及根茎
D.块茎
