B．Our changing attitude towards the English language

　　C．Our changing language

　　D．Some characteristics of modern English

　　解析：选C。主旨大意题。本文从各个方面谈及英语作为一种语言的发展变化，但并不是讲述英语的历史，所以选项A不对；选项B只是文章阐述的一个方面，不够全面；文章是在谈到英语的不断变化的时候谈到了现代英语的一些特点，所以选项D也只是阐述的一个方面。故选C。

　　B

　　If English means endless new words，difficult grammar and sometimes strange pronunciation，you are wrong.Haven’t you noticed that you have become smarter since you started to learn a language?

　　According to a new study by a British university，learning a second language can lead to an increase in your brain power.Researchers found that learning other languages changes grey matter ((中枢神经系统的)灰白质)．This is the area of the brain which processes (加工，处理) information.It is similar to the way that exercise builds muscles.

　　The study also found the effect is greater when the younger people learn a second language.

　　A team led by Dr Andrea Mechelli，from University College London，took a group of Britons who only spoke English.They were compared with a group of “early bilinguals ” who had learnt a second language before the age of five，as well as a number of later learners.

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