选词填空技巧汇总大学英语四级考试的阅读部分，除了传统的两篇仔细阅读和一篇快速阅读，还有一种让考生普遍头痛的考法：选词填空。
选词填空的考察形式是：一篇280词左右的文章，文章中挖出10个空，并统一给出A-O15个备选答案。
选词填空区别于完形填空，有更大的解题难度，原因在于：1. 完形填空每题都是四选一，选词填空第一题要十五选一，就算用到排除法，最后一题也要六选一，而且在十五个选项中还有五个根本不会用到，难度加大；2. 完形填空每题的四个选项都是统一的词性，只需要辨析词义、搭配就基本可以作答，而选词填空的十五个选项有多个词性，解题时需要同时判断词性和词义，难度加大；3. 完形填空每题的四个选项往往都是统一时态，统一形式，而在选词填空中会涉及选项的动词时态、第三人称单数形式、被动主动语态，名词的单复数等的辨析，难度加大。
因此，针对选词填空的解题方法分为三步：1. 预览选项，了解词义并把选项分为四大类词性：名词n，动词v，形容词a，副词ad，在每个选项后作词性的简要标记；2. 精读全文开头，把握文章主题，并以三个空或一个段落为一个单位，利用前后文判断每空的词性；3. 把对应词性的选项逐一带回原文，含义通顺，时态、主谓搭配一致的为正确选项。
四级考试的常用后缀在判断选项词性时可以有一定帮助作用：常见名词后缀：-ability usability, capability-ibility visibility, responsibility, stability-age package, shortage, marriage-ance importance, allowance, reliance-ence presence, absence, confidence-ant assistant, accountant, inhabitant-ent president, resident, dependent-cy bankruptcy, literacy, democracy-ion construction, rebellion-ition position, repetition, tuition-ation consideration, realization, dictation, presentation-ty loyalty, identity, cruelty-ment movement, government, argument-ness carefulness, illness, happiness-ology physiology, sociology, zoology-ship friendship, professorship, leadership, hardship-sion confusion, decision, revision, discussion-ure exposure, pleasure, failure, pressure, future1)-or/er/ess/crat/cis:做某件事情或职业的人或物：worker, debtor2)-acy, 表示"性质，状态，境遇" democracy, accuracy, diplomacy3)-ance, -ence表示"性质，状况，行为，过程，总量，程度” importance, diligence, difference, obedience4)-ancy, -ency, 表示"性质，状态，行为，过程" frequency, urgency, efficiency,5)-bility, 表示"动作，性质，状态" possibility, flexibility, feasibility,6)-dom, 表示"等级，领域，状态" freedom, kingdom, wisdom7)-hood, 表示"资格，身份, 年纪，状态" childhood, manhood, falsehood8)-ion, -sion, -tion, -ation, -ition, 表示"行为的过程，结果，状况" action, solution, conclusion, destruction, expression, correction9)-ism, 表示"制度，主义，学说，信仰，行为" socialism, criticism, colloquialism, heroism10)-ity, 表示"性质，状态，程度” purity, reality, ability, calamity11)-ment, 表示"行为，状态，过程，手段及其结果treatment, movement, judgment, punishment, argument12)-ness, 表示“性质，状态，程度” goodness, kindness, tiredness, friendliness13)-ship, 表示“情况，性质，技巧，技能及身份，职业” hardship, membership,friendship14)-th, 表示“动作，性质，过程，状态” depth, wealth, truth, length, growth15)-tude, 表示"性质，状态，程度" latitude, altitude(海拔)16)-ure, 表示“行为，结果” exposure, pressure, failure, procedure(手续)，17)-grapy, 表示"……学，写法” biography, calligraphy, geography18)-ic, ics, 表示"……学……法" logic, mechanics, electronics, linguistics19)-ology, 表示"……学……论”biology, zoology, technology(工艺学)20)-nomy, 表示"……学……术" astronomy, economy, bionomy(生态学)-sion，-tion，如：starvation，attraction，profession-ity，如：quality，diversity常见动词后缀：1)-ize, ise, 表示“做成，变成，……化modernize, mechanize, democratize, organize2)-en, 表示”使成为，引起，使有”quicken, weaken, soften, harden3)-fy, 表示“使……化, 使成”beautify, purify, intensify, signify, simplify4)-ish, 表示“使，令”finish, abolish, diminish, establish5)-ate, 表示“成为……，处理，作用” separate, operate, indicate-ate，如：estimate，generate-en，如：widen，worsen常见形容词后缀：形容词-able capable, acceptable-ible visible, sensible, permissible-al personal, internal, critical, accidental- ary necessary, primary, secondary-ory satisfactory, illusory-ful cheerful, useful, faithful-ic realistic, specific, poetic, energetic-ical physical, classical, economical-ish foolish, childish, selfish(*accomplish, vanish)-ous envious, poisonous, courageous-ious religious, furious, precious-some lonesome, troublesome, handsome-y dirty, healthy, rainy, thirsty, sunny-like manlike, childlike名词-ly manly, fatherly, scholarly, motherly-ful beautiful, wonderful, helpful, truthful-most foremost, topmost-less 表否定，countless, stainless, wireless-able，如：stable，affordable-tive，-sive，如：destructive，excessive ，sensitive-ous，如：unconscious，enormous常见副词后缀：附三：常见词性后缀辨析1．副词-ly slowly, quickly, really-ward(s) westward, westwards, backwards-wise clockwise, otherwise,(形容词)-ly：bad→badly坏地/恶劣地，careful→carefully小心地-wise(OE)：clock→clockwise(a./adv.)顺时针方向的(地);like→likewise同样地-wards：out→outwards向外面地，north→northwards向北方地-ly，如：deliberately，completely，remarkably，在根据前后文判断每空的词性时，一些经常考察的形式如下：名词：通常来说，冠词(如a，an，the)、形容词、介词后面搭配名词，即“a/an/the/adj./prep. + n。
”，举例说明：Education soon became a _____. 冠词a后面加可数名词的单数形式，正确答案是nightmare，这句话的意思是“教育很快成了一种噩梦。
”As the trade winds lessen in _____, the ocean temperatures rise causing the Peru current flowing in from the east to warm up by as much as 5 degrees. (06-6) 介词in后面加名词，正确答案是strength，这句话的意思是“当信风强度减弱的时候，海洋温度上升，导致从东部流入的秘鲁洋流上升了5摄氏度之多。