【问】 《新编英语语法》(上)(P.115)在讲到不定冠词的用法时说:“笼统指某人或某物,但不具体说明何人何物(名词带有描绘性修饰语时,仅把意义范围缩小) 例如:I met an old man on my way here.A book I want has been acquired by the library.”读了以上...[继续阅读]

    a(an)的位置【问】 不定冠词a(an)是否永远位于名词短语的最前端,如a particularly able person?【答】 一般说来,不定冠词a(an)应当放在名词短语的最前端。但是,有几种例外的情况。第一,当名词短语中含有so,as,too,how这样的词时,不定冠词a(...[继续阅读]

    a clerk and secretary/a clerk and a secretary【问】 (1) A clerk and secretary are needed. (TOEFL)(2) A clerk and a secretary is enough for such a small office as ours. (TOEFL)为什么在句(1)中secretary之前不加不定冠词是错误的,而在句(2)中加上不定冠词又是错误的呢?【答...[继续阅读]

    an education【问】 不可数名词不能带不定冠词,这是我初学英语时就牢记的英语语法规则。但是我却遇到了下面的句子,使我迷惑不解:She has had an education.【答】 有些不可数名词,单独使用时不能带不定冠词,但是,加上定语后,就可以带不...[继续阅读]

    a joke【问】 Whether we find a joke funny or not largely depends on where we have been brought up.The sense of humour is mysteriously bound up with national characteristics. A French-man,for instance,might find it hard to laugh at a Russian joke. In the same...[继续阅读]

    a lamp【问】 The gas-filled tungsten filament lamp is more of a furnace than a lamp. Since it uses ninety per cent of the power to produce unwanted heat and uses only ten percent to makelight.[原译]这种充气钨丝灯与其说是一盏灯,不如说是一个火炉。因为它耗去90%的电能去...[继续阅读]

    a medicine【问】 ...but a medicine that had worked so well in one form of illness would surely be of equalbenefit in another... (New Concept English,Book 4,P. 115)[原译]……但是一瓶从前对某一种疾病曾经起过这样良好作用的药,肯定会对另一种疾病同样有益……(中译...[继续阅读]

    a Mr Green【问】____called just now,but he didnt mention his full name.A. Mr Green B. The Mr GreenC.A Mr Green D.That Mr Green(大学生英语竞赛题)我不明白为什么正确答案为C(A Mr Green)?【答】 如果不加不定冠词a,则表明Mr Green是说话人所认识的一个人。加了不...[继续阅读]

    a Norwegian【问】 (1) Nancy wants to marry a Norwegian.(2) John wants to fly an aeroplane over the North Pole.有人说,上面两个句子是歧义句,句(1)没有表明Nancy本人脑海里是否有一个具体的挪威人,而句(2)没有表明an aeroplane是指John本人已知的一架飞机,还是...[继续阅读]

    a U. S. A. car【问】a U. S. A. car,an M. P.为什么元音字母u前用不定冠a,而在辅音字母m前反而用不定冠词an?【答】 如同在a history与an hour中那样,使用a还是使用an,完全取决于词开首音素的读音而不取决于词的拼写形式,在以元音音素开首的词...[继续阅读]