英語四級高頻詞匯精華版首字母E單詞2
echo n.回聲，反響 v.反射(聲音等);重復
歷年真題：Nancy is only a sort of echo of her husbands opinion and has no idea of her own.
譯文：南希是這樣一個人，她只是跟從她丈夫的看法，沒有自己的觀點。
economic a.經(jīng)濟的，經(jīng)濟學的
典型例句：Many Americans are turning to Japan, a country of high academic achievement and economic success，for possible answers.
譯文：許多美國人把目光投向日本 一個取得了很大的學術(shù)成就和經(jīng)濟成功的國家 一來尋求答案。
導學：該詞屬于常考詞匯，兩個同根形容詞economic和economical意思的區(qū)別，前者指 經(jīng)濟的 ，后者指 節(jié)約的 。
想一想：①economy ②economical ③economically ④economics ⑤economist
Key:①n.經(jīng)濟，節(jié)約 ②a.節(jié)約的，經(jīng)濟的 ③ad.經(jīng)濟地，經(jīng)濟學地 ④n.經(jīng)濟學 ⑤n.經(jīng)濟學家
economical a.節(jié)約的;經(jīng)濟學的
典型例句：If you have a large family, its more economical to travel by car than by train.
譯文：假如你有一個大家庭，那么乘汽車旅行要比乘火車更省錢。
歷年真題：Governments should also protect this resource by providing water in more economically and environmentally sound ways.
譯文：政府可采取更經(jīng)濟實惠、同時也更環(huán)保的合理方式供水，以此保護資源。
economy n.經(jīng)濟;節(jié)約，節(jié)省
典型例句：You should learn to practice economy in making out the household budget.
譯文：你應該在制定家庭預算時學會精打細算。
edge n.刀口，鋒;優(yōu)勢;邊緣v.使鋒利;擠進;鑲邊;緩緩移動，側(cè)著移動
典型例句：We couldnt cut out the string because the edge of the knife was not sharp enough.
譯文：我們割不斷繩子，因為刀鋒已經(jīng)不夠鋒利了。
導學：該詞屬于常考詞匯，考試題型以短語搭配為主：如on the edge of(在 的邊緣)，be edged with(有 邊的)，on edge(不安)。
echo n.回聲，反響 v.反射(聲音等);重復
歷年真題：Nancy is only a sort of echo of her husbands opinion and has no idea of her own.
譯文：南希是這樣一個人，她只是跟從她丈夫的看法，沒有自己的觀點。
economic a.經(jīng)濟的，經(jīng)濟學的
典型例句：Many Americans are turning to Japan, a country of high academic achievement and economic success，for possible answers.
譯文：許多美國人把目光投向日本 一個取得了很大的學術(shù)成就和經(jīng)濟成功的國家 一來尋求答案。
導學：該詞屬于常考詞匯，兩個同根形容詞economic和economical意思的區(qū)別，前者指 經(jīng)濟的 ，后者指 節(jié)約的 。
想一想：①economy ②economical ③economically ④economics ⑤economist
Key:①n.經(jīng)濟，節(jié)約 ②a.節(jié)約的，經(jīng)濟的 ③ad.經(jīng)濟地，經(jīng)濟學地 ④n.經(jīng)濟學 ⑤n.經(jīng)濟學家
economical a.節(jié)約的;經(jīng)濟學的
典型例句：If you have a large family, its more economical to travel by car than by train.
譯文：假如你有一個大家庭，那么乘汽車旅行要比乘火車更省錢。
歷年真題：Governments should also protect this resource by providing water in more economically and environmentally sound ways.
譯文：政府可采取更經(jīng)濟實惠、同時也更環(huán)保的合理方式供水，以此保護資源。
economy n.經(jīng)濟;節(jié)約，節(jié)省
典型例句：You should learn to practice economy in making out the household budget.
譯文：你應該在制定家庭預算時學會精打細算。
edge n.刀口，鋒;優(yōu)勢;邊緣v.使鋒利;擠進;鑲邊;緩緩移動，側(cè)著移動
典型例句：We couldnt cut out the string because the edge of the knife was not sharp enough.
譯文：我們割不斷繩子，因為刀鋒已經(jīng)不夠鋒利了。
導學：該詞屬于常考詞匯，考試題型以短語搭配為主：如on the edge of(在 的邊緣)，be edged with(有 邊的)，on edge(不安)。
