答案：B
The ship, ___ 1500 passengers , set off on its first trip on a cold winter day.
A. carried B, carrying C. to carry D. being carried
急性粒细胞性白血病时，在骨内、骨膜下或其他器官内，出现白血病细胞形成的瘤结称为
A．黄色瘤B．白色瘤C．棕色瘤D．绿色瘤
