下面不属于恶性肿瘤的特点是______。
A．近似正常组织 B．生长较快 C．边界不清楚D．易转移 E．以侵袭性生长为主
参考答案：A
挫伤会出现何种临床表现（）
A.损伤后出现少尿或无尿
B.损伤处有广泛的组织破坏
C.二者均有
D.二者均无
E.以上均错误
We didn’t know you were in trouble at that time; _______ we would have given you a hand.
A．otherwise
B．therefore
C．yet
D．however
