急性白血病出血的原因是()
A.毛细血管损伤
B.血小板减少
C.凝血功能障碍
D.血小板功能异常
E.抗凝物质增多
参考答案:B
— Did you have any trouble finding your way in London?
— Yes, I tried to find my way to the museum but ____.[ ]
A. get lost
B. had been lost
C. lost
D. got lost
关于古代旅游,中国的传统看法是()。
A.是一种外交活动
B.宗教朝圣
C.经商
D.旅游是王公贵族和文人墨客的风雅韵事