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| DETERMINER |
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| weak /ə/ |
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| strong /eɪ/ |
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| 1 | used when you are mentioning a person or a thing for the first time , or when the person listening to you does not already know about them 一（个）（用于第一次提到的人或事物，或听者不知道的人或事物时） |
| I have an idea. 我有一个想法。 |
| There’ s a concert on Sunday night. 周日晚上有一场音乐会。 |
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| 2 | used when you mean any person or thing of a particular type , but you are not referring to one specifically （泛指特定类别中的）任何一（个） |
| You need a dictionary. 你需要一本词典。 |
| I haven’ t got an umbrella. 我没带伞。 |
| Children must be accompanied by an adult. 儿童必须有成人陪伴。 |
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| 3 | used when you say what class , type , or group someone or something belongs to , or what job someone has （用于指某人或某事物所属的阶层、类别、群体或某人的工种时）一（个） |
| Ruth’ s father was a lawyer. 露丝的父亲是律师。 |
| He’ s a liar and a cheat. 他既是个说谎者又是个骗子。 |
| Greece has been a republic since 1973. 希腊自1973年以来一直是共和国。 |
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| 4 | used before a singular noun that represents every person or thing of a particular type （同类别中的）每一（个） |
| A dog needs regular exercise. 狗都需要定期遛一遛。 |
| A molecule consists of two or more atoms. 每个分子由两个或多个原子组成。 |
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| 5 | used when you are referring to a person or thing as one of several （多个中的）一（个） |
| I want you to meet a friend of mine. 我想让你见见我的一个朋友。 |
| He’ s a member of the team. 他是球队中的一员。 |
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| 6 | used in expressions of quantity such as ‘a lot’ , ‘a few’ , or ‘a great deal’ （用于表示数量的词组如a lot, a few, a great deal 中） |
| a lot of money 许多钱 |
| a bit of luck 一点运气 |
| We all appreciate a little encouragement. 对于鼓励我们都很感激。 |
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| 7 | used in numbers and measurements to mean ‘one’ , as in ‘a thousand’ or ‘an hour’ 一（用于数字和度量词中） |
| a million dollars 100万美元 |
| a hundred years ago 100年前 |
| a minute or two 一两分钟 |
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| 8 | used in phrases showing how much something costs, how often it happens, how fast it goes etc 一，每（用于表示某事物的花费、频率、速度等的短语中） |
| Meetings are held four times a year (=four times every year) . 会议每年举行4次。 |
| tomatoes at £1.20 a kilo (=each kilo costs £1.20) 每公斤1.2英镑的西红柿 |
| The car was travelling at 90 miles an hour. 那辆轿车在以每小时90英里的速度行驶。 |
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| 9 | used before a noun that means a substance , product , food etc when referring to a particular type of it 一种（用于表示物质、产品、食物等的名词前） |
| Brie is a soft creamy cheese. 布里干酪是一种软而滑的奶酪。 |
| Plants won’ t grow in a soil that contains too much lime. 植物在石灰含量太高的土壤中不能生长。 |
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| 10 | used before the name of some drinks to mean a cup or glass of that drink （用于表示饮料的名词前）一杯 |
| I’ ll just have a beer, thanks. 我就要一杯啤酒，谢谢。 |
| Have you got time for a coffee? 你有空喝杯咖啡吗？ |
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| 11 | used before a noun that means a particular quality or feeling when the quality or feeling is described in some way （用于表示某种品质或情感的名词前） |
| Sales staff must have a good working knowledge of French. 销售人员必须相当熟练地掌握足以应付工作的法语知识。 |
| They fought back with a fierce determination that surprised the invaders. 他们以坚定的决心进行反击，让入侵者措手不及。 |
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| 12 | used before a noun that is formed from a verb and means a single action of that verb （用于源于动词并表示该动作的名词前）一下，一次 |
| Can I have a try? 我能试一下吗？ |
| Let’ s take a walk round the garden. 我们绕花园走一走吧。 |
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| 13 | used before a noun that expresses your feelings about a situation （用于表示对某种情况之感受的名词前） |
| It’ s a relief to know they’ re safe. 知道他们平安无事让人松了一口气。 |
| What a shame he couldn’ t be there to receive the prize! 可惜的是他不能去那儿领奖！ |
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| 14 | used before the name of a particular day , season , or holiday to mean one particular Tuesday, summer , Christmas etc （用于表示某天、某季节、某假日的名词前）某个 |
| It was a bitterly cold winter. 那是个严寒刺骨的冬天。 |
| She was born at six o’ clock on a Sunday morning. 她是在一个星期天的早上6点出生的。 |
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| 15 | used before a person’ s name when you do not know anything about them （用于不认识的人名前）某个 |
| There’ s a Mr Alex Murray asking to see you. 一位名叫亚历克斯·默里的先生要见您。 |
| | 15a | used before the name of a famous artist to mean a picture by that artist （用于著名艺术家的名字前）一件…的作品 | | The gallery has recently acquired a Picasso. 美术馆最近得到了一幅毕加索的画。 | |
| | 15b | used before a family name to mean a member of that family （用于姓之前）…家族中的一员 | | Remember you’ re an Osborne – it’ s a name to be proud of. 记住你是奥斯本家族的一员——这是个值得骄傲的姓氏。 | |
| | 15c | used before the name of a famous person to mean someone else with similar abilities, a similar appearance , or a similar character （用于名人姓名之前）类似…的一个 | | Already he is being hailed as a young Albert Einstein. 他已经被誉为小阿尔伯特·爱因斯坦了。 | |
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