有关绒癌的治愈标准,下述说法不正确的有:()
A.临床症状完全消失
B.血HCG连续2次小于25 U/L
C.转移病灶消失
D.2年内未见复发
参考答案:A,B,C,D
Edison ________ one of the greatest inventors in the world
A. thinks to be B. is still thought to be C. thought to be
叙述SG1025引进型锅炉紧急停运引风机的条件。