四级真题最高频词汇

频率为20次以上

consumer social product likely

频率为10次以上

system activity reward stress expert concern university individual view opportunity hunt challenge process project amount ability rate radiation feature environment create crash advertise tend status reader per local highway brand assume physical instant focus fashion expand effective declare benefit adult

Day Two

频率为9次的单词

affect compete global policy account foundation involve lightening technology leak competition behavior community

频率为8次的单词

range maintain action obvious primarily appeal detail decade pollution advantage culture autobiography leader accordingly plastic approve performance recognize factor enormous avoid shift source fulfill moral rank replace complex

Day Three 频率为7次的单词

injury outcome insurance impression household claim personality personnel employee reserve approach capacity generally automobile male regardless contact wealthy estimate incident device error relationship recently scale union climate available criticism diet civilian ground liberal establish indicate accomplish finally spot

Day Four

频率为6次的单词(一)

potential professional ideal reflect considerable influence trace attitude chemical network positive territory engage witness welfare career attach profit musician purchase competitive particularly assign response pace complaint identify arise victim sample modify property structure target belief

Day Five第5天

频率为6次的单词(二)

Minority resistant theory signal bloom cheat Instance transfer bacterial threaten v.威胁，预示(危险)要来临abroad Audience scan v.审视，浏览v/n 扫描corporation threat n.威胁，征兆Gas promote style grant apply extend Install impact function industrial user propose v.提议，建议，提名，打算，求婚alter agency contribute educate absent poison airline possibility flash v,闪过，闪烁，飞驰n.闪过

Day Six第六天频率为5次的单词(一)

nuclear nucleus raw extensive military directly deny absorb committee

complain aid protein statement institution route associate growth convince liberate cell publish youngster failure faint rob resident fund appearance portable efficient preference solution confidence treatment adopt skilled cultivate

Day Seven第七天频率为5次的单词(二)

respond vary exit survey lest vehicle constant speaker atmosphere latter reform economy primary differ capable distinct define resist argument transform despite strengthen distinguish emotional data achievement strategy sufficient ban poverty wage wisdom assemble predict accurate adapt risk liquid thunder

Day Eight第八天频率为4次的单词(一)

virtue female recommend equality economic economics emit bar arrange conference improvement previous sensible exchange consumption intelligence debate criticize rail reveal spray investment reinforce cope exceed confuse aware superior emphasize region pop intensity appreciate colleague transportation everyday fame familiar urban span essential

Day Nine频率为4次的单词(二)

inhabitant weapon accumulate v.堆积，累积eliminate v.排除，淘汰e.g: Environmental factors can

never be totally eliminated as Hayward points out, "We can't prepare a medicine against cosmic rays."