营养强化
参考答案：
指针对生物饵料的营养缺陷，有意识地通过其摄食特定食物进行改善和补偿，达到营养平衡和满足鱼虾幼体发育的需求。
My grandfather wants around the world because he enjoys new places. [ ]
A. travelling ; seeing
B. to travel; to see
C. to travel; seeing
D. travelling;to see
补货作业根据货品的出货方式可以分为整箱补货和拆零补货。（）
