Word Study - 自学.doc

Unit 1 Stems and AffixesTips: Using context clues is one way to discover the meaning of an unfamiliar word. Another way is word analysis. That is, looking at the meanings of parts of words. Below is a list of some commonly occurring stems and affixes. Study their meanings. Then do the exercises that follow.Prefixescom- con-, col-, cor-, co- together, with cooperate, connect in-, im-, il-, ir- in, into, on invade, insert,in-, im-, il-, ir- not impolite, illegalmicro- small microscope, microcomputerpre- before prepare, prehistoricre-, retro back, again return, retrorocket Stems -audi-, -audit- hear auditorium, auditor -chron- time chronology, chronological -dic-, dict- say, speak dictator, dictation -graph-, -gram- write, writing telegraph, telegram -log-, -ology- speech, word, study biology -phon- sound telephone -scrib-, script- write describe, script -spect- look at inspect, spectator -vid-,vis- see video, visionSuffixes -er, -or one who worker, spectator -ist one who typist, biologist -tion,-ation condition, the act of action, celebrationUnit 2 Unit 3 Rootsspire; spira; spir = breathe aspire; aspiration; aspiring conspire; conspiracy inspire; inspiration; inspiring; inspired expire; expiration respire; respiration spirit struct = build; pile construct; construction instruct; instruction; instructive; instructor obstruct; obstruction destroy; destruction; destructive structuresume; sumpt = take assume; assumption consume; consumption; consumer presume; presumption resume; resumption tain; tin; ten = hold contain; content detain; detention; entertain; entertainment maintain; maintenance obtain; obtainable retain; sustain tent; tens; tend= stretch intent; attend; contend; extend; extension; intend; intention; pretend; test = witness contest; protest; testify tort; tor = twist torture; torment; torch; distort; retorttract; treat = draw abstract; attract; contract; distract; extract; subtract; retreat tribute = grant; pay; bestow; assign attribute; distribute; contribute; trude; trus = thrust; push intrude; intrusion; protrude; vert; vers = turn convert; divert; invert; avert; advertise; revert; adverse; adversity; anniversary; converse; traverse; versatile; versatility voke; voc = call; voice invoke; invocation; evoke; evocation; provoke; revoke; vocal; vocabulary; volve; volut = roll evolve; evolution; involve; revolve; revolver; revolution; revolt;Unit 4Stems and Affixes (4)Prefixesmulti-manymultiply, multipleperi-aroundperiscope, perimetersemi-half, partlysemisweet, semicircletri-threetriangleultra-beyond, excessive, extremeultramodernuni-oneunicycle, unify, universeStems-aster-, -astro-, -stellar-starastronomy, stellar-auto-self automobile, automatic-bio-lifebiology-cycle-circlebicycle, cycle-mega-great, large megaton, megalopolis-mort-deathmortal, immortality-phil-lovephilosophy-polis-citymetropolis-psych-mindpsycholo