Jealous of the kids at school who are smarter than you and seem to learn more quickly? Don’t worry． 71
72 However, according to a recent study, IQ can rise—not just by one or two points, but by as many as 21 points!
Scientists have found that IQ changes are linked to changes in part of the brain called gray matter, which was seen to grow and bee denser （更加密集） in the brains of people whose IQs improved greatly．
73 One is to train your short-term memory． Previous research has proven that short-term memory is the basis for intelligence, so trying to recognize or retell something that you have seen or heard can help raise your overall brain power． 74
A good night’s sleep will also help improve your concentration． 75 It helps you stay focused for longer the next day．
Scientists have also found that exercise helps． Walking 30 minutes a day five times a week and doing exercise will help you bee more knowledgeable—as well as healthier and fitter．A．There are several ways of increasing your brain’s gray matter．B．Your brain deals more efficiently with things you truly like．C．With a bit of brain training, the chances are that you can be as smart as they are．D．So maybe it’s a good idea to get your brain in training right away． E． Getting enough sleep is like pushing the reset button in your brain．
F． The more you work on it, the better you will bee．
G． People used to assume that a person’s IQ was unchangeable．C
网友回答
(答案→)C
解析：文章主要讲了提高人的IQ 的一些原理和方法。
【小题1】第一段应该总述，，且应与Don’t worry．相承接，并与“变得聪明”有关 C用一些大脑的训练，你就有机会变得和他们一样聪明。
【小题2】however表示转折，后文说IQ可以增加，则前文应是IQ不能改变G人们通常认为人的IQ是不能改变的
【小题3】下文是关于提高大脑灰色质的具体方法，所以此处应该是总说A有几个方法提高大脑的灰色物质
【小题4】前文谈到了提高大脑能量，则此处应该叙述怎么能使大脑变得更好，提高大脑能量
F 你用大脑工作的越多，你就会变得越好
【小题5】前文提到了睡眠，所以此处应与睡眠有关
E由足够的睡眠就像是在你的大脑里重置电钮。