We go _____ the road and ___ __ the building, then get to the park. A．across; through B．th.
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英语问题，急啊！
英语的前缀和后缀有很多.前缀:dis- ,im-,un-,(这类)都表达的是否定的意味.如disabled,impossible, unclear 等. 后缀如-able(部分名词后,表示形容词),-ly形容词后可表示副词)_, 详情还是参照语法书,这只是个人经验一、常用的前缀和后缀 1、常用前缀 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 col-：( used before l ) together，with location—collocation com-：( used before b，m，p ) together，with passion—compassion con-：together，with centric—concentric federation—confederation contra-：opposite diction—contradiction natural—contranatural cor-：( used before r ) together，with relate—correlate respond—correspond counter-：opposite act—counteract attack—counterattack cross-：across；going between the stated things and joining them country—crosscountry breed—crossbreed de-：showing an opposite；to remove；to reduce code—decode value—devalue dis-：not；the opposite of advantage—disadvantage agree—disagree honest—dishonest em-：( used before b，m，p ) to cause to become body—embody power—empower en-：to cause to become；to make danger—endanger large—enlarge ex-：former ( and still living ) minister—ex-minister wife—ex-wife extra-：outside；beyond curricular—extracurricular ordinary—extraordinary fore-：in advance，before；in or at the front arm—forearm warn—forewarn il-：( used before l ) not legal—illegal literate—illiterate im-：( used before b，m，p ) not moral—immoral possible—impossible in-：not direct—indirect sensitive—insensitive infra-：below in a range；beyond red—infrared structure——infrastructure inter-：between；among change——interchange national——international intra-：inside，within；into city——intracity department——intra-department ir-：（used before r）not regular——irregular responsible——irresponsible 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 live——outlive door——outdoor over-：too much；above；additional head——overhead time——overtime poly-：many centric——polycentric syllabic——polysyllabic post-：later than；after graduate——postgraduate war——postwar pre-：before；in advance pay——prepay war——prewar pro-：in favor of，supporting America——pro-America abortion——pro-abortion pseudo-：not real；false name——pseudonym science——pseudoscience re-：again；back to the former state unite——reunite use——reuse self-：by means of oneself or itself；of，to，with，for，or in oneself or itself employed——self-employed taught——self-taught semi-：half；partly circle——semicircle final——semifinal step-：not by birth but through a parent who has remarried mother——stepmother children——stepchildren sub-：under，below；less important；part of the stated bigger whole divide——subdivide section——subsection super-：more，larger，greater than usual market——supermarket natural——supernatural tele-：at or over a long distance；by or for television communication——telecommunication screen——telescreen therm(o)-：concerning heat chemistry——thermochemistry meter——thermometer trans-: across, on or to the other side of ; between Atlantic—transatlantic plant—transplant tri-: three; three times angular—triangular cycle—tricycle ultra-: beyond; very, extremely modern—ultramodern sound—ultrasound un-: not certain—uncertain fortunate—unfortunate under-: too little; below develop—underdevelop sea—undersea uni-: one, singer form—uniform directional—unidirectional vice-: next in the rank; below chairman—vice-chairman president—vice-president 2.常用后缀 （1）名词后缀 -ability，-ibility able—ability flexible—flexibility -age post—postage short—shortage -al arrive—arrival refuse—refusal -an，-ian，-arian library—librarian music—musician -ance，-ence appear—appearance refer—reference -ancy，-ency emerge—emergency expect—expectancy -ant，-ent apply—applicant correspond—correspondent -cy accurate—accuratcy private—privacy -dom king—kingdom free—freedom -ee employ—employee interview—interviewee -er，-or，-ar paint—painter beg—beggar -ery brave—bravery slave—slavery -ese China—Chinaese Japan—Japanese -ess actor—actress waiter—waitress -ful hand—handful spoon—spoonful -hood child—childhood man—manhood -ics electron—electronics linguist—linguistics -ion，-ition，-ation collect—collection observe—observation -ism Marx—Marxism socialist—socialism -ist psychiatry—psychiatrist violin—violinist -ity，-ty cruel—cruelty pure—purity -ment move—movement retire——retirement -ness dark——darkness happy——happiness -ology climate——climatology future——futurology -ship friend——friendship scholar——scholarship -sion，-ssion decide——decision expand——expansion -th grow——growth wide——width -ure close——closure expose——exposure (2)动词前缀 -en deep——deepen fast——fasten -ify class——classify simple——simplify -ize，-ise modern——modernize / modernize popular——popularize / popularize (3)形容词后缀 -able，-ible suit——suitable question——questionable -al nature——natural structure——structural -an，-arian，-ian suburb——suburban Canada——Canadian -ant，-ent differ——different please——pleasant -ary，-ory advise——advisory custom——customary -ate consider——considerate fortune——fortunate -en gold——golden wood——wooden -ese China——Chinese Japan——Japanese -free care——carefree duty——duty-free -ful care——careful pain——painful -ic，-ical atom——atomic psychology——psychological -ish girl——girlish child——childish -ive create——creative support——supportive -less hope——hopeless pain——painless -like child——childlike lady——ladylike -ly man——manly month——monthly -ous，-ious danger——dangerous poison——poisonous -some tire——tiresome trouble——troublesome -ward down——downward up——upward -y guilt-guilty noise-noisy (4)副词后缀 -ly easy-easily heavy-heavily -ward，-wards east-eastward(s) north-northward(s) -wise clock-clockwise other-otherwise
