最能说明肝硬化病人己存在门脉高压的表现是
A.脾大
B.腹水
C.痔核形成
D.门静脉增宽
E.食道静脉曲张
参考答案:D
He was born on _____ winter morning in 2006, when _____ most severe storm struck the city and caused hundreds of deaths.
A.a; the
B.the; the
C.a; a;
D.the: a
去掉设备上的旧油、污泥、漆片和锈层,是()。
A、粗洗
B、细洗
C、精洗