少壮不努力,老大徒伤悲。这句话告诉我们[ ]
A.要珍惜青春时光,奋发进取
B.要珍惜同学间的友情
C.要及时享受青春
D.学习要合理安排时间
答案:A
While cleaning the snow on the road, _________.
A.a wallet was found on the ground.
B.a wallet appeared on the ground.
C.I found a wallet lying on the ground.
D.I found a wallet laid on the ground.
病历摘要:患者,男性,50岁,右上腹部胀痛3个月,并伴有巩膜黄染,伴有恶心,呕吐,黑便,低热,无气促,心悸,胸闷,呕血。
诊断依据()
A.体查
B.肿块活检示低分化鳞癌
C.血常规WBC13.6×109/L,Hb70g/L
D.腹部B超可见肝占位性病变,腹腔液体约1000mL左右
E.AFP(+)
F.HbsAg(+)