下列哪项症状在门静脉高压症时不出现
A.下肢静脉曲张
B.脐周静脉曲张
C.胃粘膜出血
D.血小板减少
E.脾肿大
参考答案:A
The little boy was the only one who _____ the earth- -quake in his village, and the government sent him to a city school after that.
A.experienced
B.escaped
C.survived
D.suffered
瞬时水位数值用某一()以上m数表示。
A、水尺零点高程
B、零点高程
C、高程
D、基面