1. a number of和an amount of都表示“大量的”，但前者与可数名词连用，后者与不可数名词连用，且不定冠词之后常常有适当的形容词修饰
We seem to have collected an enormous number of boxes.
我们似乎无意中积存了大量的盒子。
I have had an enormous number of letters from single parents
我已经收到了大量单亲家长的来信。
Cereals form the staple diet of an enormous number of people around the world.
谷类是世界范围内很大一部分人的主要食物。
A large number of people have applied for the job.
许多人申请了这工作。
The new management intends to institute a number of changes.
新任管理层打算实行一些改革。
There are a number of different points of view on this issue.
在这个问题上意见纷纭。
I have a number of things to do today.
我今天有许多事情要做。
There were a large number of candidates for the job.
有许多求职者申请这份工作。
A growing number of people are returning to full-time education.
越来越多的人重返学校接受全日制教育。
A fair number of people came along.
有相当多的人来了。
He made a number of rude remarks about the food.
关于这里的食物他说了许多无礼的评论。
Worldwide, an enormous amount of research effort goes into military technology.
在世界范围内，大量的研究精力都投入到军事技术上。
All the candidates have been getting an enormous amount of exposure on television and in the press.
所有候选人都在电视和报刊上频频亮相。
He saved up an enormous amount of money for his daughter.
他为女儿存了一大笔钱。
an enormous amount of time
大量的时间
The Small Firms Service holds an enormous amount of information on any business problem
小型企业服务处备有关于各种商务问题的海量信息。
A tremendous amount of work has gone into the project.
大量的工作已投入到这项工程。
There is still an immense amount of work to be done.
还有非常非常多的工作没有做。
Two waterfalls within the city limits supply Rochester,New York, with an enormous amount of electric power.（托福试题）
纽约罗切斯特市范围内的两座瀑布提供了巨大的电力。
Eggs , though nourishing, have a high amount of fat content.
鸡蛋虽然营养丰富，但脂肪含量很高。(考研试题)
2.the number of和 the amount of用法区别也是同上。含义都是：……的数量，额度
The number of reported crimes is increasing at an alarming rate.
报警案件的数量正在以惊人的速度增长。
A cold spring will provide a natural check on the number of insects.
寒冷的春季会自然控制昆虫的数量。
The number of new students decreased from 210 to 160 this year.
今年新生人数从210减少到160。
The number of employees was reduced from 40 to 25.
雇员人数从40人减少到了25人。
Concern is growing over the number of children excluded from school.
对遭学校开除的儿童人数之众，人们越来越表关注。
This brought the total number of accidents so far this year to 113.
这使得今年迄今为止发生事故的总数达到113起。
The number of endangered species increases every year as natural habitats disappear.
随着自然栖息地的消失，濒危物种的数量每年都在增加。(托福试题)
They have assessed the amount of compensation to be paid.
他们已经核定赔偿额。
The amount of alcohol in his blood was triple the legal maximum.
他血液中的酒精含量为法定最高限量的三倍。
The amount of fuel that this car uses is a big strike against it.
耗油量大是这辆车的一大缺点。
The fee they are offering bears no relation to the amount of work involved.
他们支付的酬金和所需的工作量无关。
We're trying to cut down on the amount of paperwork involved.
我们正在努力降低有关此事的文书工作量。
The principal reason for the great amount of smoke is that there are too many factories in the city.
产生大量烟雾的主要原因是城市里的工厂太多了。(考研试题)
