a great deal of修饰不可数名词，意为“许多的”，谓语动词用单数。如：A great deal of work awaits us.大量的工作等着我们去做。

1、释义区别：

a great deal of：强调数量上的大量，常用于不可数名词。

a great number of：强调数量上的大量，常用于可数名词。

例句：

She has a great deal of experience in marketing.（她在市场营销方面有丰富的经验。）

There are a great number of books on the shelf.（书架上有很多书。）

2、用法区别：

a great deal of：后面通常接不可数名词，表示大量的抽象概念或无法具体计数的事物。

a great number of：后面通常接可数名词复数形式，表示大量的可具体计数的事物。

例句：

I drank a great deal of water after the workout.（锻炼后我喝了很多水。）

A great number of students attended the concert.（很多学生参加了音乐会。）

3、使用环境区别：

a great deal of：通常用于描述抽象的概念、情感、时间、金钱等。

a great number of：通常用于描述具体的个体、人群、物品等。

例句：

He has spent a great deal of money on his car.（他在他的车上花了很多钱。）

There are a great number of tourists visiting the city every year.（每年都有很多游客来访这个城市。）

4、影响范围区别：

a great deal of：受到物质数量或程度的限制。

a great number of：受到可计数事物数量或程度的限制。

例句：

A great deal of effort is required to achieve success.（需要付出大量的努力才能取得成功。）

The project received a great number of applications.（这个项目收到了大量的申请。）

5、形象区别：

a great deal of：语气更加正式，通常用于书面和正式场合。

a great number of：语气更加口语化，通常用于口语和非正式场合。

例句：

The research paper requires a great deal of references.（这篇研究论文需要大量的参考资料。）

We have seen a great number of movies this summer.（这个夏天我们看了很多电影。）

1、All of these people gave me a great deal of information I had never heard of.

这些人都给了我许多闻所未闻的知识。

2、She has spent a great deal of time reading the book.

她读这本书花了许多时间。

3、It took a great deal of time.

这费了很多时间。

4、There is a great deal of pressure on young people to conform.

年轻人被大力要求守规矩。

5、They spent a great deal of money.

他们花了大量的钱。

6、She found herself on the receiving end of a great deal of criticism.

她发现自己遭到众多的批评。

7、The relationship caused her a great deal of heartache.

这段恋情使她非常伤心。

8、The incident caused a great deal of political mischief.

这一事件造成了严重的政治危害。

9、The author has condensed a great deal of material into just 100 pages.

作者在短短100页中浓缩了大量信息。

10、They have rallied a great deal of support for their campaign.

他们为竞选活动征得了大量的支持。

11、There has been a great deal of publicity surrounding his disappearance.

他的失踪已为传媒广泛报道。

12、The report revealed a great deal of bureaucratic inefficiency.

报道大量揭示了官僚体制的无能。

13、Historically,there has always been a great deal of rivalry between the two families.

这两个家族世世代代对立斗争。

14、The report contains a great deal of statistical information

报告中包含很多统计资料。

15、I also had friends who gave me a great deal of encouragement

我还有些朋友给了我很多鼓励。