1. mass常作可數(shù)名詞，意為“團；塊；堆”；用作不可數(shù)名詞，指物理術語中的“質(zhì)量”。如：
A mass of rock had fallen from the cliff and now blocked the road.
一大塊巖石從懸崖上掉了下來，堵塞了道路。
A liter of gas has less mass than a liter of water.
一升汽油的質(zhì)量比一升水的質(zhì)量小。
2. a mass of (也可用masses of)表示“大量；大批”，既可修飾可數(shù)名詞，也可修飾不可數(shù)名詞。如：
I’ve masses of work to do.
我有許多的工作要做。
There were a mass of children in the yard. 院子里有一大群孩子。
3. the mass表示“大部分；主要部分”，?？山觨f短語。如：
The mass of public opinion is in favor of the new foreign policy.
大部分的輿論擁護新的外交政策。
4. the masses 表示“大眾；民眾”。如：
I wonder if they are truly concerned with the interests of the masses.
我不知道他們是否真正關心民眾的利益。
5. 另外，mass還可用作形容詞(無比較等級)，意為“大眾的；民眾的”或“大量的；大規(guī)模的；大批的”或“整個的；全部的”；也可作動詞，
意為“聚集起來；集中；聚集”。如：
the mass media 大眾媒體
Mass education is essential in promoting democracy.
民眾教育對提倡民主是非常重要的。
We want to promote literacy on a mass scale.
我們要大規(guī)模地提高文化水平。
Dark clouds massed and we expected rain. 烏云密布,看起來就要下雨了。
【高考鏈接】
The young dancers looked so charming in their beautiful clothes that we took _____ pictures of them. (上海2003)
A. many of B. masses of
C. the number of D. a large amount of
【簡析】
A項中many后of多余。C項中應該把the換成a。D項修飾不可數(shù)名詞。pictures為可數(shù)名詞，應用masses of(既可接可數(shù)名詞，也接不可數(shù)名詞)。 故選B。
A mass of rock had fallen from the cliff and now blocked the road.
一大塊巖石從懸崖上掉了下來，堵塞了道路。
A liter of gas has less mass than a liter of water.
一升汽油的質(zhì)量比一升水的質(zhì)量小。
2. a mass of (也可用masses of)表示“大量；大批”，既可修飾可數(shù)名詞，也可修飾不可數(shù)名詞。如：
I’ve masses of work to do.
我有許多的工作要做。
There were a mass of children in the yard. 院子里有一大群孩子。
3. the mass表示“大部分；主要部分”，?？山觨f短語。如：
The mass of public opinion is in favor of the new foreign policy.
大部分的輿論擁護新的外交政策。
4. the masses 表示“大眾；民眾”。如：
I wonder if they are truly concerned with the interests of the masses.
我不知道他們是否真正關心民眾的利益。
5. 另外，mass還可用作形容詞(無比較等級)，意為“大眾的；民眾的”或“大量的；大規(guī)模的；大批的”或“整個的；全部的”；也可作動詞，
意為“聚集起來；集中；聚集”。如：
the mass media 大眾媒體
Mass education is essential in promoting democracy.
民眾教育對提倡民主是非常重要的。
We want to promote literacy on a mass scale.
我們要大規(guī)模地提高文化水平。
Dark clouds massed and we expected rain. 烏云密布,看起來就要下雨了。
【高考鏈接】
The young dancers looked so charming in their beautiful clothes that we took _____ pictures of them. (上海2003)
A. many of B. masses of
C. the number of D. a large amount of
【簡析】
A項中many后of多余。C項中應該把the換成a。D項修飾不可數(shù)名詞。pictures為可數(shù)名詞，應用masses of(既可接可數(shù)名詞，也接不可數(shù)名詞)。 故選B。