歷年真題：This adaptation is accomplished by improving efficiency of the heart and certain systems within the muscle cells.(2003年9月閱讀)
譯文：這一適應性的改變是在改善心率及肌肉細胞內(nèi)的某些生理系統(tǒng)的效率后獲得的。
efficient a.效率高的，有能力的
典型例句：Our efficient new machines are much cheaper to run.
譯文：我們的這些效率很高的新機器用起來很省錢。
effort n.努力;努力的成果
典型例句：The directors' efforts to improve the comprehensive management in the company have been very effective.
譯文：董事們?yōu)楦闹v公司的全面管理作出的努力是卓有成效的。
名師導學：該詞屬于?？荚~匯，考試題型以短語搭配為主：make an effort to do/at doing sth.(努力做某事)，spare no effort to do/at doing sth.(不遺余力做某事)。
想一想：effortless
Key:a.容易的，不費力氣的
elaborate v.詳述，詳細制定 a.復雜的;精心制作的
典型例句：He frequently wandered from his text to elaborate on a point that had obviously caught his audience's interest.
譯文：他常常偏離正題而去詳細闡述那些能明顯激發(fā)聽眾興趣的話題。
名師導學：該詞屬于常考詞匯，相關短語為elaborate on(對……做詳細說明)，其中介詞on是常見介詞考點。
巧記：e(出)+labor(工作，勞動)+ate(動詞后綴)=辛苦勞動做出來，精心制作
想一想：①elaborately ②elaboration
Key:①ad.苦心經(jīng)營地，精巧地 ②n.苦心經(jīng)營，苦心經(jīng)營的結(jié)果，詳盡的細節(jié)
elastic n.松緊帶 a.有彈性的
典型例句：Language usage is too elastic to be described using just a few simple rules.
譯文：語言的運用是相當靈活的，僅僅憑幾條簡單的規(guī)則是說明不了的。
