雅思寫(xiě)作實(shí)用同義詞整理

　　雅思寫(xiě)作必備同義詞 puzzle, bewilder, perplex, baffle rule, regulation key crucial, critical supply, provide, afford conserve, preserve assure, ensure, guarantee, pledge, change, alter, modify convert into, often, frequent, constant allege, assert, declare, claim express, voice, utter, pronounce happen, occur, take place cost, expense, expenditure deny, negate buy, purchase appraise, assess, evaluate, estimate encourage, embolden, hearten, inspire attribute, ascribe, credit, impute, abundant, copious, profuse, ample reason, factor, cause bad, baneful, evil, harmful, detrimental development, advance ,progress useful, helpful, beneficial, profitable, rewarding important, critical, essential result in, bring about, give rise to, lead to, cause