By the age of 70, what percentage of men have an enlarged prostate.
A: 30%
B: 80%
C: 20%
D: 10%
A: 30%
B: 80%
C: 20%
D: 10%
举一反三
- 中国大学MOOC: By the age of 70, what percentage of men have an enlarged prostate.
- 环境温湿度要求：相对湿度（ ） A: 20%-70% B: 10%-80% C: 30%-70% D: 10%-70%
- What percentage of employers research candidates online? A: 50% B: 60% C: 70% D: 80%
- What proportion of cancers can be prevented? （ ） A: 20%-30% B: 30%-50% C: 50%-70% D: 10%-20%
- 常成人白细胞分类中性粒细胞占( ) A: 10%～30% B: 20%～30% C: 30%～40% D: 50%～70% E: 70%～80%