The ,students use computer at school and at home ; the they do in exam of reading and math.

问题描述:

The ,students use computer at school and at home ; the they do in exam of reading and math.

the more students use computer at school and at home ; the less they do in exam of reading and math.他们在学校和家里用电脑的时间越多,用于阅读和数学的考试就越少