a number of和the number of的区别
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一、意思不同:
1、a number of
意为“许多,大量”,后加可数名词复数。作主语时,谓语动词用复数。
2、the number of
意为“......的数量”,后加可数名词复数。作主语时,谓语动词用单数。
二、用法不同:
1、a number of
修饰可数名词,就像some,many,lots of,a lot of那样的.注意a number of修饰的可数名词要用复数形式,be动词也要用复数(即are,具体因时态而定)!
2、the number of
修饰了名词之后be动词要用单数,因为(从中文意思方面理解)数量就是一个数字,所以必须要用单数(即is,具体因时态而定)。
三、发音不同:
1、a number of
英[ə ˈnʌmbə ɒv];美[ə ˈnʌmbər əv]
2、the number of
英[ðə ˈnʌmbə ɒv];美[ðə ˈnʌmbər əv]
四、a number of的双语例句:
1、Failure of a fire to draw properly can have a number of causes.
火炉通风不好可以有很多原因。
2、Profits from his single were to be divided between a number of charities.
他单曲唱片的利润将分给几个慈善机构。
3、The urban crisis conflates a number of different economic, political, and social issues.
城市危机使若干不同的经济、政治和社会问题合成一个综合的问题。
4、We protect the self by a number of defence mechanisms,including repression and projection.
我们通过许多防卫机制保护自我,其中包括情感的压制与投射转移。
5、Staff have been holding a number of events to raise money for charity.
员工们已经在举行一些慈善捐款活动。
五、the number of的双语例句:
1、Here is a guide to the number of curtain hooks you will need.
这是一个帮助你估算所需窗帘钩数目的一个计算表。
2、He's spearheading a campaign to reduce the number of accidents at work.
他正在带头开展一场减少工作事故的运动。
3、[count noun]there had been a reduction in the number of casualties.
伤亡人数已经减少。
4、The number of people living in the immediate vicinity was small.
住在邻近地区的人数不多。
5、There was a bump in the number of outbound flights.
出港航班有所增加。