食管癌好发部位是
A.颈段食管
B.胸上段食管
C.胸中段食管
D.胸下段食管
E.腹部食管
参考答案:C
解析:胸中段食管癌较多见,下段次之,上段较少。
A cell phone could ___________the energy which could activate your brain. [ ]
A. give away
B. give off
C. give back
D. give up
以弹奏《古德堡变奏曲》而成名的孤僻演奏家是下列哪一位:()
A、SchifF.A.
B、GoulD.G.
C、Richter.S.
D、Turech.R.