The 55-to-64 age group accounts for 9% of the population today.
举一反三
- The proportion of the English in the whole population accounts for .
- Age distribution is the number of individuals of each age in the population which influences greatly the rate of population growth。 （ ）
- Most of Russian population today is......
- age group
- 下面选项中，用于将表user中字段age值更新为55的SQL语句是 A: ALTER TABLE user set age=55; B: UPDATE user set age=55 where age=55; C: UPDATE user set age=55; D: UPDATE user set age=55 where age<=55;