1.常考的不可数名词
　　furniture luggage clothing equipment poetry jewelry machinery weaponry 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 politics mechanics genetics geology geography chemistry
　　philosophy biology history
　　2.常考的不规则单复数
　　man/men 　woman/women 　tooth/teeth 　foot/feet 　goose/geesebasis/bases 　analysis/analyses 　crisis/crises
　　hypothesis/hypotheses 　axis/axes alga/algae 　larva/larvae 　fungus/fungi stimulus ....