Mind­wandering can vary between being more practical or more emotional. What mind­wandering seems to be best at, researchers say, is coming up with new solutions to old problems. So, it's not always a waste of time!

　　体裁：说明文　题材：科学研究　主题：思维漫游对人有好处

　　【语篇解读】　研究表明思维漫游对人的创造力发展有好处。

　　【难句分析】　Those whose minds wandered the most scored higher in creative ability tests and had more efficient brain systems measured in the MRI machine.

　　分析：这是一个复合句。whose引导定语从句，修饰Those；and连接两个并列的动作scored和had；measured in the MRI machine为过去分词短语作后置定语，修饰systems。

　　译文：那些思维漫游最多的人在创造力测试中得分更高，并且在核磁共振成像机测量中拥有更加高效的大脑系统。

　　1．The first paragraph serves as a(n) ________.

　　A．explanation　 B．introduction

　　C．comment D．background

　　答案与解析：B　考查推理判断。通读第一段可知，本段引出了"做白日梦"这个话题，故选B项。

　　2．The study published in Neuropsychologica shows that ________.

　　A．daydreaming makes us unhappy

　　B．we are focusing on the past or future

　　C．mind­wandering is related to creative ability

D．the MRI scanner is helpful in measuring the brain patterns