设这个数是x,
13x=16×12-3,
13x=8-3,
13x÷13=5÷13,
x=15,
答:这个数是15.
食管中段鳞癌,长6cm,病人有刺激性干咳,纤维支气管镜检查发现气管隆突部黏膜失去正常光泽且咳嗽时固定不动,最合理的治疗方案是()
A.食管癌切除,弓上或颈部吻合
B.食管癌切除,隆突切除成形
C.根治性放疗
D.先化疗再手术
E.先放疗再手术
They will arrive our city April 20th. [ ]
A. in in
B. at at
C. in on
D. at on