门静脉高压症的临床表现下列哪项是错误的
A.无黄疸B.可有肝肿大C.腹水D.呕血或黑便E.脾大、脾亢
参考答案:A
___ quite well in the important exam, he came back home and smiling. [ ]
A. Having done; relaxed
B. Having done; relaxing
C. Having been done; relaxing
D. Done; relaxed
制图中,()表示实际物体轮廓线。
A、虚线
B、实线
C、点划索
D、折断线