肾母细胞瘤最常见的经血转移部位是()
A.脑
B.肝
C.肺
D.骨
E.肠
参考答案:C
解析:肾母细胞瘤最常见的转移途径为通过血行转移到肺,其次为局部淋巴转移。
All the tasks___________ahead of time, they decided to go on holiday for a week. [ ]
A. been fulfilled
B. were fulfilled
C. having been fulfilled
D. had been fulfilled
某公司从新加坡进口了2000箱(24×300ml/箱)“杨协成”清凉饮料,申报价格为CIF广州HKD45/箱。海关在审核进口单证时发现,合同还规定了“货物售完后,买方须将销售利润的20%返还给卖方”,经进一步调查,海关认定该公司的成交价格受到影响,因此不予接受其申报价格。 ( )