胃癌常向下列哪处淋巴结转移()。
A.颈部淋巴结
B.左腋下淋巴结
C.左锁骨上淋巴结
D.左锁骨下淋巴结
E.左腹股沟淋巴结
参考答案:C
解析:[知识点] 胃癌
— your coat ?
—Not yet. [ ]
A. Has, cleaned
B. Has, been cleaned
C. Was, cleaned
需求价格弹性对企业定价有什么影响?