通过对下面三个式子的分析,求出☆是
△+△+△=45 □×△=600 ☆÷□=120[ ]
A.100
B.40
C.4800
D.720
答案:C
The players ________ from the whole country are expected to bring us honor in this summer game.[ ]
A. selecting
B. to select
C. selected
D. having selected
男性,40岁,乙型肝炎病史已10年,2年前拟诊为肝硬化。1周来出现腹胀及巩膜黄染,腹水检查为血性渗出液。为明确诊断,下列哪项检查最为重要
A.肝活检B.血AFP检查C.肝B超检查D.肝功能检查E.尿胆红素及尿胆原检查