比较1956年某地三种传染病白喉、流行性乙型脑炎和痢疾的病死率,宜选择的统计图是()
A.线图
B.半对数线图
C.直方图
D.条图
E.百分条图
参考答案:D
补全对话。
A: Can you speak English?
B: Sorry, I can't.
A: 1 ?
B: I want to join the English club and the chess club.
A: Can you play chess?
B: Yes, but 2 . 3 ?
A: I can play it well, but I can't sing well, so 4 .
B: I want to learn to sing. I think 5 .
胃肠穿孔患者,腹外形呈()
A.球形膨隆
B.蛙形膨隆
C.局部膨隆
D.扁圆形膨隆
E.尖凸形膨隆