【正文】 sistent, and rational are inclined to possess high levels of selfconfidence. ，始終如一和理性，孩子就有可能充滿自信。 45. Quails typically have short rounded wings that enable them to spring into full flight instantly when disturbed in their hiding places. ，憑此他們可以在受驚時(shí)一躍而起，飛離它們的躲藏地。 42. The wallflower is so called because its weak stems often grow on walls and along stony cliffs for support. ，是因?yàn)槠浯嗳醯闹Ω山?jīng)常要靠墻壁或順石崖生長，以便有所依附。 39. The continental divide refers to an imaginary line in the North American Rockies that divides the waters flowing into the Atlantic Ocean from those flowing into the Pacific. ，該線把大西洋流域和太平洋流域區(qū)分開來。 37. Lucretia Mott39。 34. The elimination of inflation would ensure that the amount of money used in repaying a loan would have the same value as the amount of money borrowed. 。 30. Because its leaves remain green long after being picked, rosemary became associated with the idea of remembrance. ，因此人們把迷迭香樹與懷念聯(lián)系在一起。 26. By the middle of the twentieth century, painters and sculptors in the United States had begun to exert a great worldwide influence over art. ，美國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。s occurring is equal to the probability that it will not occur. ，某一事件發(fā)生的幾率等于它不發(fā)生的幾率。 20. Although pecans are most plentiful in the southeastern part of the United States, they are found as far north as Ohio and Illinois. 美洲山河桃樹最集中于美國的東南部但是在北至俄亥俄州及伊利諾州也能看見它們。 16. The development of mechanical timepieces spurred the search for more accurate sundials with which to regulate them. ，以便校準(zhǔn)機(jī)械計(jì)時(shí)器。s作為一個(gè)爵士布魯斯樂杰出歌手的名聲建立在能夠賦予歌曲感情深度的能力。 10. The knee is the joints where the thigh bone meets the large bone of the lower leg. 。 7. It is more difficult to write simply, directly, and effectively than to employ flowery but vague expressions that only obscure one39。s et in 1986, how many people will live long enough to see it return in the twentyfirst century. 2. 1986 年看見哈雷慧星的千百萬人當(dāng)中，有多少人能夠長壽到足以目睹它在二十一世紀(jì)的回歸呢？ 3. Anthropologists have discovered that fear, happiness, sadness, and surprise are universally reflected in facial expressions. ，恐懼，快樂，悲傷和驚奇都會(huì)行之于色，這在全人類是共通的。 2. Of the millions who saw Haley39。 6. The greater the population there is in a locality, the greater the need there is for water, transportation, and disposal of refuse. ，其對(duì)水，交通和垃圾處理的需求就會(huì)越大。 9. The difference between libel and slander is that libel is printed while slander is spoken. ，而后者是口頭的。s reputation as a great jazzblues singer rests on her ability to give emotional depth to her songs. 12. Billie Holiday39。 15. Thanks to modern irrigation, crops now grow abundantly in areas where once nothing but cacti and sagebrush could live. (技術(shù)設(shè)施 )之賜，農(nóng)作物在原來只有仙人掌和蕎屬科植物才能生存的地方旺盛的生長。 19. When it is struck, a tuning fork produces an almost pure tone, retaining its pitch over a long period of time. ，產(chǎn)生幾乎純質(zhì)的音調(diào)，其音量經(jīng)久不衰。 23. Over a very large number of trials, the probability of an event39。 25. The mechanism by which brain cells store memories is not clearly understood. 。 29. Alexander Graham Bell once told his family that he would rather be remembered as a teacher of the 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。 33. Research into the dynamics of storms is directed toward improving the ability to predict these events and thus to minimize damage and avoid loss of life. ，避免人員傷亡。 36. One of the wildest and most inaccessible parts of the United States is the Everglades where wildlife is abundant and largely protected. 36. Everglades是美國境內(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)。 38. The activities of the international marketing researcher are frequently much broader than those of the domestic marketer. 。s manufacturing is greater than that of its mining and farmin