2.常考前缀汇总

　 aero-：concerning the air of aircraft

　　plane—aeroplane

　　space—aerospace

　　anti-：against；opposite of

　　nuclear—antinuclear

　　matter—antimatter

　　war—antiwar

　　auto-：of or by oneself

　　biography—autobiography

　　criticism—autocriticism

　　be-：to treat as the stated thing

　　friend—befriend

　　little—belittle

　　bi-：two；twice；double

　　lingual—bilingual

　　cycle—bicycle

　　bio-：concerning living things

　　chemistry—biochemistry

　　sphere—biosphere

　　by-，bye-：less important

　　produce—by-produce

　　way—byway

　　centi-：hundredth part

　　grade—centigrade

　　meter—centimeter

　　co-：together，with

　　author—coauthor

　　exist—coexist

　　kilo-：thousand

　　gram——kilogram

　　meter——kilometer

　　macro-：large，esp.concerning a whole system rather than particular parts of

　　economics——macroeconomics

　　structure——macrostructure

　　mal-：bad or badly

　　function——malfunction

　　treat——maltreat

　　micro-：extremely small

　　computer——microcomputer

　　electronics——microelectronics

　　mid-：middle

　　day——midday

　　night——midnight

　　mini-：small；short

　　bus——minibus

　　skirt——miniskirt

　　mis-：bad or badly；wrong or wrongly

　　fortune——misfortune

　　understand——misunderstand

　　mono-：one；single

　　plane——monoplane

　　tone——monotone

　　multi-：more than one；many

　　purpose——multipurpose

　　national——multinational

　　non-：not

　　resident——non（-）resident

　　sense——nonsense

　　out-：outside；beyond