区别一:含义不同
1、a number of表示大量的,许多的,充足的的意思。
2、the number of表示...的数量,...的数量的意思。
区别二:谓语不同
1、a number of 意思是“一些,若干”(= some),后面的谓语动词用复数形式。
2、the number of作主语时,谓语动词用单数。
区别三:用法不同
1、a number of表示“许多”,相当于 many,修饰可数名词复数,number前可用large,small等修饰,以表示程度。
例如:The essay contains a number of factualerrors。
文章中有一些与事实不符的错误。
2、the number of表示“……的数量”,中心词是number。
例如:The number of companies offering them work in creased。
给他们提供工作的公司的数量增多了。
1、His confession involved a number of other politicians in the affair.
他的自白供出其他一些政治人物也涉及此事。
2、The defendant asked for a number of other offences to be taken into account.
被告要求考虑其他一些罪行。
3、The new management intends to institute a number of changes.
新任管理层打算实行一些改革。
4、There are a number of different points of view on this issue.
在这个问题上意见纷纭。
5、I have a number of things to do today.
我今天有许多事情要做。
6、The number of ligands attached to the central ion is called the coordination number.
7、The number of yams per 10 cm influences the length of the float along with the number of harnesses.
8、The number of occurrences of frequently used column values.
9、The number of directors should not exceed half of the number of the whole members or member representatives;
10、The number of the genuine mobile phone body, the outer packing number, and the number three from the phone are the same.