爱华网比如achievement，我开始觉得，成就，很抽象的一个名词，应该是不可数，，，却看到了这样一个题
140. "What society has thought to be itsgreatest social, political, and individual achievements have often resulted in the greatestdiscontent."
诸如此类的词还有很多，请且看下面两段来源于网络的教程
1）.http://www.soenglish.com.cn/focu ...19155142_37888.html
一、常见的不可数名词
1、最常见的不可数名词有：advice, baggage,change(零钱), furniture, hair, homework,information, knowledge, luggage, money, news, progress,traffic
2、其它不可数名词还有：absence, age,anger, courage, energy, equipment, experience, failure, fear, food,fun, health, ice, industry, kindness, labour, luck, marriage,music, nature, paper, peace, pleasure, power, pride, rain,research, respect, safety, salt, sand, silence, sleep, strength,snow, technology, time, trade, transport, travel, trust, truth,waste, water, wealth, weather, wind, work（工作）
二、可有单、复数形式的不可数名词
1、不可数名词一般没有单复数之分, 但物质名词表示不同类别时，可有单复数。如：teas （各种茶），a tea (一杯茶)等。常见的这类词有：fruit, food，coffee等。
2、抽象名词表示具体事物时，也可有复数形式。honor, death, danger, pleasure, success,failure, comfort, surprise, worry, beauty, wonder, envy, shock,shame, regret, joy等，它们都表示“某种人、动作或事”。
2）.http://www.wangchao.net.cn/bbsdetail_786148.html
1. 常考的不可数名词
furniture luggage clothing equipment poetry jewelry machineryweaponry scenery information knowledge homework
evidence foliage advertising health
A : 流体 air water
B: 颗粒状物体 rice salt
C: 抽象名词 information
D: 总称名词 poetry machinery
E: 疾病不可数 diabetes糖尿病 measles麻疹
F: 自然现象 rain drops
G:学科不可数 mathematics economics statistics physics politicsmechanics genetics geology geography chemistry
philosophy biology history
2.常考的不规则 div:eq(0) > div:eq(3) >table:eq(2) > tbody:eq(0) > tr:eq(0)> td:eq(0) > div:eq(0)> #content:eq(0) > br:eq(10)"anchorType="previous"jQuery1249528746694="6">单复
数
man/men woman/women tooth/teeth foot/feet goose/geese basis/basesanalysis/analyses crisis/crises
hypothesis/hypotheses axis/axes alga/algae larva/larvaefungus/fungi stimulus/stimuli datum/data bacterium/bacteria
medium/media spectrum/spectra mouse/mice child/childrenphenomenon/phenomena radius/radii
3.常考的单复数同型的名词
aircraft spacecraft series species means sheep deer bison salmontrout carp
4. 常考的可数名词
discovery cloud mineral metal substance population effort effectanimal plant mammal insect tree herb shrub
element function feature picture result clue star reason audiencedevice structure human human being
system fashion resource source origin pioneer automobile purposestyle response number amount
variety quantity type kind influence emotion change
5. 即可数又不可数的名词
sugar , cloth , water , detail , paper ,work , light , science,form , interest , art , area ,color , disease , illness , rock ,stone ,
matter , food , culture ,noise , liquid , solid , gas , climate ,film ,material , population , temperature , experience ,speech,use
time , life , action , activity , study
rock(砂岩) rocks(块岩) work(工作,作品) works( 著作) paper(纸)papers(论文,报告,文件)
area(面积) areas(地区,区域) time(时间) times(次数) room(空间) rooms(房间)water(水) waters(水域)
collections由同一种物品构成,可数 his three collections of shortstories
collection 由不同种物品构成,不可数 his art collection
※当一个不可数名词表种类时,可数.
可数/不可数 :①有无数的概念②抽象/具体 advertisment 广告 可数advertising 广告业 不可数
红线部分基本说明了我的疑惑，就是此类抽象名词在表示具体的事物的时候，可变为复数
