四級備考高頻詞匯 143

　　echo n.回聲，反響 v.反射(聲音等);重復(fù)

　　歷年真題：Nancy is only a sort of echo of her husband's 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(diǎn)。

　　economic a.經(jīng)濟(jì)的，經(jīng)濟(jì)學(xué)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(xué)術(shù)成就和經(jīng)濟(jì)成功的國家—一來尋求答案。

　　名師導(dǎo)學(xué)：該詞屬于?？荚~匯，兩個同根形容詞economic和economical意思的區(qū)別，前者指“經(jīng)濟(jì)的”，后者指“節(jié)約的”。

　　想一想：①economy ②economical ③economically ④economics ⑤economist

　　Key:①n.經(jīng)濟(jì)，節(jié)約 ②a.節(jié)約的，經(jīng)濟(jì)的 ③ad.經(jīng)濟(jì)地，經(jīng)濟(jì)學(xué)地 ④n.經(jīng)濟(jì)學(xué) ⑤n.經(jīng)濟(jì)學(xué)家

　　economical a.節(jié)約的;經(jīng)濟(jì)學(xué)的

　　典型例句：If you have a large family, it's 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.(2001年6月閱讀)

　　譯文：政府可采取更經(jīng)濟(jì)實(shí)惠、同時也更環(huán)保的合理方式供水，以此保護(hù)資源。

　　economy n.經(jīng)濟(jì);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(yīng)該在制定家庭預(yù)算時學(xué)會精打細(xì)算。

　　edge n.刀口，鋒;優(yōu)勢;邊緣v.使鋒利;擠進(jìn);鑲邊;緩緩移動，側(cè)著移動

　　典型例句：We couldn't cut out the string because the edge of the knife was not sharp enough.

　　譯文：我們割不斷繩子，因?yàn)榈朵h已經(jīng)不夠鋒利了。

　　名師導(dǎo)學(xué)：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)。