计算42×30时,先用( )×3得( ),再在所得积的末尾添( )个0。
42;126;1
in the room can answer the question but me. [ ]
A. Nobody
B. Nobody else
C. Else anybody
D. Else nobody
男.28岁,急性腹泻2天,大便黄色水样,少许粘液,共10次,伴左下腹痛及里急后重。大便常规;黄色粘液便,RBC2—8个/HP,WBC十/HP,发现结肠阿米巴。最可能的诊断是()
A.阿米巴痢疾
B.菌痢
C.霍乱
D.伤寒
E.结肠癌