人口中能识文断字的百分比是多少？

What per cent of the population can read?

人口中能识文断字的百分比是多少？…

What percent of the population can read?

很少有识文断字的老矿工上网的，但小王把大部分的空余时间都花在了网上，主要用于自学计算机编程。

Few of the educated older miners surf the Internet, while Wang spends almost all his spare time online, teaching himself computer programming.