题目内容

------         did your brother improve his maths?     ------- By reading more.
A．HowB．WhatC．WhenD．How often
B

试题分析：句意:----你的弟弟是怎样提高他的数学成绩的？---通过多读。A  How怎样，如何；B  What什么；C  When 什么时候；D  How often 多久一次。根据答语 --By reading more.可知，是对方式进行提问，故选B。
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