Furniture luggage clothing equipment poetry jewelry

　　machinery weaponry scenery information knowledge evidence

　　foliage health advertising

　　2.学科名词(不可数，不加冠词):

　　mathematics economics statistics physics politics mechanics

　　genetics geology geography chemistry philosophy biology

　　history astronomy

　　3. 单复数特殊名词:

　　man/men woman/women tooth/teeth foot/feet goose/geese

　　basis/bases analysis/analyses crisis/crises hypothesis/hypotheses

　　axis/axes alga/algae larva/larvae fungus/fungi stimulus/stimuli

　　datum/data bacterium/bacteria medium/media spectrum/spectra

　　mouse/mice child/children phenomenon/phenomena

　　4.单复数同行 :

　　aircraft spacecraft series species means sheep deer fish

　　salmon trout carp starfish jellyfish shellfish walrus

　　5. 可跟that同位从句:

　　observation， fact， belief， discovery， doubt， statement， conclusion， decision idea，

　　evidence， hope， news， opinion， thought， rumor， explanation， truth