21. Eliminating problems by transferring the blame to others is often called scape-goating。

　　21.用怪罪別人的辦法來(lái)解決問(wèn)題通常被稱為尋找替罪羊。

　　22. The chief foods eaten in any country depend largely on what grows best in its climate and soil。

　　22.一個(gè)國(guó)家的主要食物是什么，大體取決于什么作物在其天氣和土壤條件下生長(zhǎng)得最好。

　　23. Over a very large numberof trials, the probability of an event’s occurring is equal to theprobability that it will not occur。

　　23.在大量的實(shí)驗(yàn)中，某一事件發(fā)生的幾率等于它不發(fā)生的幾率。

　　24. Most substance contractwhen they freeze so that the density of a substance’s solid is higherthan the density of its liquid。

　　24.大多數(shù)物質(zhì)遇冷收縮，所以他們的密度在固態(tài)時(shí)高于液態(tài)。

　　25. The mechanism by which brain cells store memories is not clearly understood。

　　25.大腦細(xì)胞儲(chǔ)存記憶的機(jī)理并不為人明白。

　　26. By the middle of thetwentieth century, painters and sculptors in the United States hadbegun to exert a great worldwide influence over art。

　　26.到了二十一世紀(jì)中葉，美國(guó)畫家和雕塑家開始在世界范圍內(nèi)對(duì)藝術(shù)產(chǎn)生重大影響。

　　27. In the eastern part of New Jersey lies the city of Elizabeth, a major shipping and manufacturing center。

　　27.伊麗莎白市，一個(gè)重要的航運(yùn)和制造業(yè)中心，坐落于新澤西州的東部。

　　28. Elizabeth Blackwell, thefirst woman medical doctor in the United States, founded the New YorkInfirmary, an institution that has always had a completely femalemedical staff。

　　28. Elizabeth Blackwell，美國(guó)第一個(gè)女醫(yī)生，創(chuàng)建了員工一直為女性紐約診所。

　　29. Alexander Graham Bellonce told his family that he would rather be remembered as a teacher ofthe deaf than as the inventor of the telephone。

　　29. Alexander Graham Bell曾告訴家人，他更愿意讓后人記住他是聾子的老師，而非電話的發(fā)明者。

　　30. Because its leaves remain green long after being picked, rosemary became associated with the idea of remembrance。

　　30.采摘下的迷迭香樹葉常綠不衰，因此人們把迷迭香樹與懷念聯(lián)系在一起。

　　31. Although apparently rigid, bones exhibit a degree of elasticity that enables the skeleton to withstand considerable impact。

　　31.骨頭看起來(lái)是脆硬的，但它也有一定的彈性，使得骨骼能夠承受相當(dāng)?shù)拇驌簟?/p>

　　32. That xenon could not FORM chemical compounds was once believed by scientists。

　　32.科學(xué)家曾相信：氙氣是不能形成化合物的。

　　33. Research into thedynamics of storms is directed toward improving the ability to predictthese events and thus to minimize damage and avoid loss of life.

　　33.對(duì)風(fēng)暴動(dòng)力學(xué)的研究是為了提高風(fēng)暴預(yù)測(cè)從而減少損失，避免人員傷亡。

　　34. The elimination ofinflation would ensure that the amount of money used in repaying a loanwould have the same value as the amount of money borrowed.  

　　34.消除通貨膨脹應(yīng)確保還貸的錢應(yīng)與所貸款的價(jià)值相同。

　　35. Futurism, an earlytwentieth-century movement in art, rejected all traditions andattempted to glorify contemporary life by emphasizing the machine andmotion。

　　35.未來(lái)主義，二十世紀(jì)早期的一個(gè)藝術(shù)思潮。拒絕一切傳統(tǒng)，試圖通過(guò)強(qiáng)調(diào)機(jī)械和動(dòng)態(tài)來(lái)美化生活。

　　36. One of the wildest andmost inaccessible parts of the United States is the Everglades wherewildlife is abundant and largely protected。

　　36. Everglades是美國(guó)境內(nèi)最為荒涼和人跡罕至的地區(qū)之一，此處有大量的野生動(dòng)植物而且大多受(法律)保護(hù)。

　　37. Lucretia Mott’sinfluence was so significant that she has been credited by someauthorities as the originator of feminism in the United States。

　　37. Lucretia Mott’s的影響巨大，所以一些權(quán)威部門認(rèn)定她為美國(guó)女權(quán)運(yùn)動(dòng)的創(chuàng)始人。

　　38. The activities of the international marketing researcher are frequently much broader than those of the domestic marketer。

　　38.國(guó)際市場(chǎng)研究者的活動(dòng)范圍常常較國(guó)內(nèi)市場(chǎng)研究者廣闊。

　　39. The continental dividerefers to an imaginary line in the North American Rockies that dividesthe waters flowing into the Atlantic Ocean from those flowing into thePacific。

　　39.大陸分水嶺是指北美洛磯山脈上的一道想象線，該線把大西洋流域和太平洋流域區(qū)分開來(lái)。

　　40. Studies of thegravity field of the Earth indicate that its crust and mantle yieldwhen unusual weight is placed on them。

　　40.對(duì)地球引力的研究表明，在不尋常的負(fù)荷之下地殼和地幔會(huì)發(fā)生位移。