题目内容
3．He is not _____ professional．He plays _____ piano just for fun．（ ）| A． | the； the | B． | a； the | C． | a； 不填 | D． | the； 不填 |
分析 他不是专业的，他弹钢琴只是为了开心．
解答 答案：B 题干中professional专业人士，可数名词，表示泛指要用不定冠词来修饰；play the piano弹钢琴，固定短语．故选B．
点评 冠词是一种虚词，本身不能独立使用，只能放在名词前帮助说明名词所指的人或事物，它是英语词性中最小的一类，只有三个，一种是不定冠词a，an；一种是定冠词the．此外也有些特定场合不用冠词，即通常所称的零冠词．不定冠词表示泛指，定冠词表示特指．
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Dunbar（56）B the traditional view that language was developed by the men at the early stage of social development in order to organize their manly hunting activities more effectively，or even to promote the exchange of poetic stories about their origins and the supernatural．Instead he suggests that language evolved among women．We don't spend two-thirds of our time gossiping just because we can talk，argues Dunbar-（57）C，he goes on to say，language evolved specifically to allow us to gossip．
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Language is our greatest treasure as a species，and what do we（52）B do with it？We gossip．About others'behaviour and private lives，such as who's doing what with whom，who's in and who's out-and why； how to deal with difficult（53）A situations involving children，lovers，and colleagues．
So why are we keen on gossiping？Are we just natural（54）D，of both time and words？Or do we talk a lot about nothing in particular simply to avoid facing up to the really important issues of life？It's not the case according to Professor Robin Dunbar．In fact，in his latest book，Grooming，Gossip and the Evolution of Language，the psychologist says gossip is one of these really（55）A issues．
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As we human beings evolve from a particular branch of the primate family，Dunbar （60）C that at one time in our history we did much the same．Grouping together made sense because the bigger the group，the greater the （61）D it provided； on the other hand，the bigger the group，the greater the stresses of living close to others．Grooming helped to （62）D the pressure and calm everybody down．
But as the groups got bigger and bigger，the amount of time spent in grooming activities also had to be（63）B to maintain its effectiveness．Clearly，a more （64）B kind of grooming was needed，and thus language evolved as a kind of vocal（有声的）grooming which allowed humans to develop relationship with ever-larger groups by exchanging information over a wider network of individuals than would be possible by one-to-one （65）C contact．
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