五种主要死因专率的比较应选用()
A.直方图
B.直条图
C.线图
D.圆图
E.散点图
参考答案:B
Anyone ________ bags, boxes, or whatever, was stopped by the police in Egypt.
A.seen carry
B.saw to carry
C.seen carrying
D.saw carrying
抗燃液压液中的HFDR的中文名称是()。