问题
单项选择题
虱传回归热病后获得性免疫力为（）
A.终生免疫力
B.交叉免疫力
C.持久免疫力
D.无免疫力
E.阶段免疫力
答案
参考答案：E
搜题请搜索小程序“爱下问搜题”
虱传回归热病后获得性免疫力为（）
A.终生免疫力
B.交叉免疫力
C.持久免疫力
D.无免疫力
E.阶段免疫力
参考答案：E
| Look at the table. Han Fang wants to buy two pieces of bread, a bottle of orange juice and an ice cream. How much will she pay?
| |
[ ] | |
| A. Five yuan and eighteen fen B. Six yuan and twenty fen C. Seven yuan and twenty fen D. Eight yuan and twelve fen |