CEA在下述哪一种肿瘤中较多见（）
A.胃癌
B.食管癌
C.肠癌
D.肝癌
E.肺癌
参考答案：C
I ______ some clothes to charity because they were too small for me. [ ]
A. gave away
B. gave out
C. gave up
D. gave in
关于舌检查的说法不正确的是
A．牛肉舌见于糙皮病
B．草莓舌见于猩红热
C．镜面舌见于缺铁性贫血
D．毛舌见于久病衰弱或长期使用广谱抗生素的病人
E．甲状腺功能亢进症伸舌偏斜
