肱二头肌质反射减弱或消失,而肱三头肌反射正常提示病变部位为()
A.C3或C4
B.C5或C6
C.C3或C2
D.C1或C2
E.C4或C5
参考答案:B
Fast is _________ of slow. [ ]
A. than
B. the opposite
C. same
D. difference
结肠癌最早出现的症状是()
A.贫血
B.腹部肿块
C.排便习惯改变
D.腹部隐痛
E.肠梗阻症状