肝癌()
A.黄疸伴右上腹钻顶样痛
B.黄疸伴发热、上腹痛
C.黄疸伴食欲不振、乏力、肝区痛
D.黄疸伴贫血
E.黄疸伴进行性消瘦
参考答案:E
国际贸易惯例因为不具有法律的普遍约束力,因此,只有当事人在合同中采用了某项惯例,才对合同双方当事人有约束力。( )
Palmer held that language learning in real life differs from language learning in the______.