They also found that children from disadvantaged backgrounds performed particularly badly.

　　他们还发现来自出身贫寒家庭的孩子学习能力下降会更厉害。

　　This finding questions official drives to ensure that youngsters from poorer homes have access to the same technology as their better-off classmates.

　　这个发现质疑了官方要确保贫困孩子和富裕家庭的孩子拥有同样的技术条件的提倡。