在托福阅读中我们难免会遇到不认识的单词，如果一碰到生词就直接查词典，不仅会影响到正常做题进度，也会形成依赖不利于正式考试时发挥。下面小编就和大家分享托福阅读合理猜词的小技巧，来欣赏一下吧。
托福阅读合理猜词的小技巧
一、利用上下文线索猜测词义
1、根据同义、反义关系猜词
Today' s teenagers seem to be more liberal in their ideas than their _______grandparents.
A. freethinking B. traditional C. old D. happy traditional与liberal意思相反，故选B.
2、根据句意或段落文章的上、下文猜测词义
Klebold and Harris felt _______ and wanted to revenge against those who disliked playing together with them or laughed at them.
A. discouraged B. ashamed C. tired D. separated
根据下文的disliked playing together with them判断此处应为“感到孤立”，故选D.
二、利用构词法猜测词义
1、用前、后缀猜测词义英语中的前缀、后缀构词颇多，且特定的缀往往表示特定的含义，把握住这一点，可起到以不变应万变的效果。
1)He had been overworking and fell ill at last. overwork是由前缀over-加动词构成，over有“超过、过于”之意，overwork意思是“工作过多，劳累过度”。再如，overburden负担过重，overcharge要价过高，overdo做得过分。
英语中常用的前缀还有：
mis-错，误：misfortune不幸;mislead误导;mismanage处理不当，
mid-中央：midnight半夜;midway半路
under-低于：underdone半生不熟的;underestimate低估
anti-反对：antibody抗体;anticyclone反气旋;antifreeze防冻剂
2、利用合成词猜测词义。
Family members take turns choosing a special activity for the evening， and everyonepartakes in for fun.根据短语构成及上下文意思看，此处partakes in相当于takes part in.再如break out-outbreak(名词爆发)，set out-outset(名词起始)，come in-income(名词收入)
托福阅读之核心词汇
退步
decline/halt/repress/recession/cease/fall
减少
decrease/abate/curb/curtail/drop/ebb
evaporate/fade/lower/reduce/restrain/shrink
slacken/slump/subside/wane/diminish/subtract
增加/发展
increase/develop/enlarge/expand/grow/raise
advance/aggrandize/amplify/augment/boost/
broaden/enhance/enlarge/escalate/extend
further/heighten/inflate/magnify/mount
progress/proliferate/spread/swell/widen
发展/进步/加强/丰富/增加
develop/advance/evolve/expand/flourish
foster/grow/maturate/mature/promote/ripen
thrive/amplify/augment/broaden/cultivate
deepen/enlarge/enrich/extend/intensify
magnify/perfect/refine/spread/strengthen
enhance/stretch/widen/hike/aid/assist/
boost/boom/blossom/expedi(a)te
开始/产生
begin/start/commence/originate/initiate
generate/form/unfold/arise/create/kindle
ignite
消灭/消失/消散
extinguish/abolish/annihilate/crush/destroy
eliminate/eradicate/erase/extirpate/obliterate
quell/remove/stamp out/suppress/repress
quench/smother/stifle/suffocate/trample
disappear/depart/disperse/dissipate/dissolve
ebb/end/evaporate/expire/fade/fade away/flee
recede/retire/retreat/sink/wane/withdraw
废除/取消/抵消/使无效
abolish/eliminate/annul/nullify/annihilate
cancel/dissolve/invalidate/negate/neutralize
obliterate/revoke/retract/delete/erase/efface
counteract/offset/act against
改变
change/alter/vary/modify
adapt/adjust/convert/evolve/diverge/lower
diversify/diminish/fluctuate/merge/reform
reduce/regenerate/remake/renovate/resolve
revolutionize/shape/shift/substitute/temper
transform/turn/vacillate/revise/customize
不改变
continue/hold/keep/persist/remain/stay/sustain
maintain/retain/reserve/preserve/conserve/fix
保留preserve
守conserve
存reserve
持keep/retain/maintain/sustain
uphold/perpetuate/persevere
persist
怀疑(的)
suspicous/doubtable/dubious/rule out
with hold/skeptical
确认/验证/证明/论证
corroborate/approve/authenticate/certify
confirm/endorse/justify/prove/ratify
substantiate/support/validate/verify
affirm/ascertain/attest/determine/manifest
settle/tesify/uphold/warrant
处理/管理/命令/控制/支配
cope with/handle/administer/demand/command/conduct
dominate/employ/exercise/govern/manipulate
supervise/utilize/wield/dispose (of)/array
大量的
copious/ample/bountiful/extensive/full/generous
lavish/liberal/lush/overflowing/plentiful/profuse
prolix/replete/rich/abundant/capacious/substantial
sufficient
少的/缺乏的
lacking/meager/scarce/insufficient
转折词
副词：alternatively/conversely/nevertheless
however/instead/still
连词：but/while/whereas/and/nevertheless
介词：despite/in spite of
思考类动词总结
Think/assume/conceive/conclude/expect/
determine/hold/judge/presume/reckon/see/
sense/suppose/comprehend/consider/deduce
infer/deliberate/evaluate/examine/meditate/
mull/mull over/muse/ponder/rationalize/
reason/reflect/resolve/ruminate/speculate/
study/turn over/weigh/contemplate/convey
思考类名词总结(观点/概念/理论)
Notion/idea/view/concept/perception
perspective/observation/examination
witness/judgment/approach/hypothesis
impression/supposition/theory/thought
apprehension/comprehension/realization
consideration/interpretation/understanding
speculation/version/picture/inclination/ideology
支持类单词总结
Support/maintain/insist/hold/uphold/agree/
accede/admit/consent/assent/verify/revel in/
glory in/believe in/dictate/celebrate/value
反对类单词总结
Contradict/decline/disagree/dispute/dissent/
oppose/protest/refuse/abandon/neglect/
disapprove/condemn
核心的;主要的;基本的;内在的
essential/chief/crucial/core
fundamental/main/key/inborn
principal/elementary/primary
indispensable/central/vital
underlying/inherent/intrinsic/inborn
重要的;显著的
important/valuable/substantial/big/considerable/
critical/crucial/decisive/earnest/exceptional/marked
meaningful/momentous/paramount/salient/significant/weighty
eminent/influential/outstanding/distinctive/esteemed/grand
honored/illustrious/leading/majestic/notable/powerful
prominent/remarkable/solid/superior/conspicuous
限制/阻挠
limit/confine/compress/decrease/lessen
narrow/bar/bind/cap/check/constraint/curb
impede/inhibit/obstruct/restrict/cramp
diminish/block/choke/frustrate/hamper
hinder/retard/stall/throttle/thwart
托福阅读的分类词汇：全球变暖
全球气候暖化 Global Warming
absorption n. 吸收
accelerated adj.加速的
advancement n. 前进，进步
afflict vt. 使痛苦，折磨
agriculture n. 农业
air pollutant 空气污染物
alter v. 改变
Antarctic adj. 南极的，南极地带的
Antarctica n.南极洲
atmosphere n. 大气，空气
atmospheric adj. 大气的
atmospheric concentrations of carbon dioxide 大气中的二氧化碳浓度
atmospheric temperatures 大气温度
attributable adj. 可归于...的
benign adj. (病)良性的，(气候)良好的
biosphere n. 生物圈
blizzard n. 大风雪
breakthrough n. 突破
buildup n. 组合，形成
burning of fossil fuels 燃烧燃料
byproduct 副产品
carbon dioxide emissions 二氧化碳的排放
carbon monoxide n.[化]一氧化碳
catastrophic adj.悲惨的，灾难的
chemical composition of the atmosphere 大气层的化学成分
cholera n.[医]霍乱
circulation n. 循环
climate zones 气候区
climatic adj.气候上的
colorless adj. 无色的
combustion n.燃烧
complexity n.复杂的事情，复杂性
composition n. 成分，合成物
compound n. 混合物，[化]化合物
concentration n. 集中，浓度
conserve vt. 保存
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