40. Studies of the gravity field of the Earth indicate that its crust and mantle yield when unusual weight is placed on them.
40.對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發(fā)生位移。
41. The annual worth of Utah's manufacturing is greater than that of its mining and farming combined.
41.尤它州制造業(yè)的年產(chǎn)值大于其工業(yè)和農(nóng)業(yè)的總和。
42. The wallflower is so called because its weak stems often grow on walls and along stony cliffs for support.
42.墻花之所以叫墻花，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。
43. It is the interaction between people, rather than the events that occur in their lives, that is the main focus of social psychology.
43.社會心理學(xué)的主要焦點(diǎn)是人與人之間的交往，而不是他們各自生活中的事件。
44. No social crusade aroused Elizabeth Williams' enthusiasm more than the expansion of educational facilities for immigrants to the United States.
44.給美國的新移民增加教育設(shè)施比任何社會運(yùn)動都更多的激發(fā)了Elizabeth Williams的熱情。
45. Quails typically have short rounded wings that enable them to spring into full flight instantly when disturbed in their hiding places.
45.典型的鵪鶉都長有短而圓的翅膀，憑此他們可以在受驚時一躍而起，飛離它們的躲藏地。
46. According to anthropologists, the earliest ancestors of humans that stood upright resembled chimpanzees facially, with sloping foreheads and protruding brows.
46.根據(jù)人類學(xué)家的說法，直立行走的人的鼻祖面部輪廓與黑猩猩相似，額頭后傾，眉毛突出。
47. Not until 1866 was the fully successful transatlantic cable finally laid.
47.直到1866年第一條橫跨大西洋的電纜才完全成功的架通。
48. In his writing, John Crowe Ransom describes what he considers the spiritual barrenness of society brought about by science and technology.
48. John Crowe Ransom在他的著作中描述了他認(rèn)為是由科學(xué)技術(shù)給社會帶來的精神貧困。
49. Children with parents whose guidance is firm, consistent, and rational are inclined to possess high levels of self-confidence.
49.父母的教導(dǎo)如果堅(jiān)定，始終如一和理性，孩子就有可能充滿自信。
50. The ancient Hopewell people of North America probably cultivated corn and other crops, but hunting and gathering were still of critical importance in their economy.
50.北美遠(yuǎn)古的Hopewell人很可能種植了玉米和其他農(nóng)作物，但打獵和采集對他們的經(jīng)濟(jì)貿(mào)易仍是至關(guān)重要的。
51. Using many symbols makes it possible to put a large amount of inFORMation on a single map.
51.使用多種多樣的符號可以在一張地圖里放進(jìn)大量的信息。
52. Anarchism is a term describing a cluster of doctrines and attitudes whose principal uniting feature is the belief that government is both harmful and unnecessary.
52.無政府主義這個詞描述的是一堆理論和態(tài)度，它們的主要共同點(diǎn)在于相信政府是有害的，沒有必要的。
53. Probably no man had more effect on the daily lives of most people in the Untied States than did Henry Ford a pioneer in automobile production.
53.恐怕沒有誰對大多數(shù)美國人的日常生活影響能超過汽車生產(chǎn)的先驅(qū)亨利.福特。
54. The use of well-chosen nonsense words makes possible the testing of many basic hypotheses in the field of language learning.
54.使用精心挑選的無意義詞匯，可以檢驗(yàn)語言學(xué)科里許多基本的假定。
55. The history of painting is a fascinating chain of events that probably began with the very first pictures ever made.
55.優(yōu)化歷史是由一連串的迷人事件組成，其源頭大概可以上溯到最早的圖畫。
56. Perfectly matched pearls, strung into a necklace, bring a far higher price than the same pearls told individually.
56.相互般配的珍珠，串成一條項(xiàng)鏈，就能賣到比單獨(dú)售出好得多的價錢。
57. During the eighteenth century, Little Turtle was chief of the Miami tribe whose territory became what is now Indiana and Ohio.
57.十八世紀(jì)時，"小烏龜"是邁阿密部落的酋長，該部落的地盤就是今天的印第安那州和俄亥俄州。
58. Among almost seven hundred species of bamboo, some are fully grown at less than a foot high, while others can grow three feet in twenty-four hours.
58.在竹子的近七百個品種中，有的全長成還不到一英尺，有的卻能在二十四小時內(nèi)長出三英尺。
59. Before staring on a sea voyage, prudent navigators learn the sea charts, study the sailing directions, and memorize lighthouse locations to prepare themselves for any conditions they might encounter.
59.謹(jǐn)慎的航海員在出航前，會研究航向，記錄的燈塔的位置，以便對各種可能出現(xiàn)的情況做到有備無患。
60. Of all the economically important plants, palms have been the least studied.
60.在所有的經(jīng)濟(jì)作物中，棕櫚樹得到的研究最少。
61. Buyers and sellers should be aware of new developments in technology can and does affect marketing activities.
61.購買者和銷售者都應(yīng)該留意技術(shù)的新發(fā)展，原因很簡單，因?yàn)榧夹g(shù)能夠并且已經(jīng)影響著營銷活動。
62. The application of electronic controls made possible by the microprocessor and computer storage have multiplied the uses of the modern typewriter.
62.電腦儲存和由于電子微處理機(jī)得以實(shí)現(xiàn)的電控運(yùn)用成倍的增加了現(xiàn)代打字機(jī)的功能。
63. The human skeleton consists of more than two hundred bones bound together by tough and relatively inelastic connective tissues called ligaments.
63.人類骨骼有二百多塊骨頭組成，住些骨頭石油堅(jiān)韌而相對缺乏彈性的，被稱為韌帶的結(jié)蒂組連在一起。
64. The pigmentation of a pearl is influenced by the type of oyster in which it develops and by the depth, temperature, and the salt content of the water in which the oyster lives.
64.珍珠的色澤受到作為其母體牡蠣種類及牡蠣生活水域的深度，溫度和含鹽度的制約。
65. Although mockingbirds superbly mimic the songs and calls of many birds, they can nonetheless be quickly identified as mockingbirds by certain aural clues.
65.盡管模仿鳥學(xué)很多種鳥的鳴叫聲惟妙惟肖，但人類還是能夠依其聲音上的線索很快識別它們。
66. Not only can walking fish live out of water, but they can also travel short distances over land.
66.鲇魚不僅可以離開水存活，還可以在岸上短距離移動。
67. Scientists do not know why dinosaurs became extinct, but some theories postulate that changers in geography, climate, and sea levels were responsible.
67.科學(xué)家不知道恐龍為何絕種了，但是一些理論推斷是地理，氣候和海平面的變化造成的。
68. The science of horticulture, in which the primary concerns are maximum yield and superior quality, utilizes inFORMation derived from other sciences.
68.主要目的在于豐富和優(yōu)質(zhì)的農(nóng)藝學(xué)利用了其他科學(xué)的知識。
69. Snow aids farmers by keeping heart in the lower ground levels, thereby saving the seeds from freezing.
69.雪對農(nóng)民是一種幫助，因?yàn)樗３值貙油寥赖臏囟?，使種子不致凍死。
40.對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發(fā)生位移。
41. The annual worth of Utah's manufacturing is greater than that of its mining and farming combined.
41.尤它州制造業(yè)的年產(chǎn)值大于其工業(yè)和農(nóng)業(yè)的總和。
42. The wallflower is so called because its weak stems often grow on walls and along stony cliffs for support.
42.墻花之所以叫墻花，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。
43. It is the interaction between people, rather than the events that occur in their lives, that is the main focus of social psychology.
43.社會心理學(xué)的主要焦點(diǎn)是人與人之間的交往，而不是他們各自生活中的事件。
44. No social crusade aroused Elizabeth Williams' enthusiasm more than the expansion of educational facilities for immigrants to the United States.
44.給美國的新移民增加教育設(shè)施比任何社會運(yùn)動都更多的激發(fā)了Elizabeth Williams的熱情。
45. Quails typically have short rounded wings that enable them to spring into full flight instantly when disturbed in their hiding places.
45.典型的鵪鶉都長有短而圓的翅膀，憑此他們可以在受驚時一躍而起，飛離它們的躲藏地。
46. According to anthropologists, the earliest ancestors of humans that stood upright resembled chimpanzees facially, with sloping foreheads and protruding brows.
46.根據(jù)人類學(xué)家的說法，直立行走的人的鼻祖面部輪廓與黑猩猩相似，額頭后傾，眉毛突出。
47. Not until 1866 was the fully successful transatlantic cable finally laid.
47.直到1866年第一條橫跨大西洋的電纜才完全成功的架通。
48. In his writing, John Crowe Ransom describes what he considers the spiritual barrenness of society brought about by science and technology.
48. John Crowe Ransom在他的著作中描述了他認(rèn)為是由科學(xué)技術(shù)給社會帶來的精神貧困。
49. Children with parents whose guidance is firm, consistent, and rational are inclined to possess high levels of self-confidence.
49.父母的教導(dǎo)如果堅(jiān)定，始終如一和理性，孩子就有可能充滿自信。
50. The ancient Hopewell people of North America probably cultivated corn and other crops, but hunting and gathering were still of critical importance in their economy.
50.北美遠(yuǎn)古的Hopewell人很可能種植了玉米和其他農(nóng)作物，但打獵和采集對他們的經(jīng)濟(jì)貿(mào)易仍是至關(guān)重要的。
51. Using many symbols makes it possible to put a large amount of inFORMation on a single map.
51.使用多種多樣的符號可以在一張地圖里放進(jìn)大量的信息。
52. Anarchism is a term describing a cluster of doctrines and attitudes whose principal uniting feature is the belief that government is both harmful and unnecessary.
52.無政府主義這個詞描述的是一堆理論和態(tài)度，它們的主要共同點(diǎn)在于相信政府是有害的，沒有必要的。
53. Probably no man had more effect on the daily lives of most people in the Untied States than did Henry Ford a pioneer in automobile production.
53.恐怕沒有誰對大多數(shù)美國人的日常生活影響能超過汽車生產(chǎn)的先驅(qū)亨利.福特。
54. The use of well-chosen nonsense words makes possible the testing of many basic hypotheses in the field of language learning.
54.使用精心挑選的無意義詞匯，可以檢驗(yàn)語言學(xué)科里許多基本的假定。
55. The history of painting is a fascinating chain of events that probably began with the very first pictures ever made.
55.優(yōu)化歷史是由一連串的迷人事件組成，其源頭大概可以上溯到最早的圖畫。
56. Perfectly matched pearls, strung into a necklace, bring a far higher price than the same pearls told individually.
56.相互般配的珍珠，串成一條項(xiàng)鏈，就能賣到比單獨(dú)售出好得多的價錢。
57. During the eighteenth century, Little Turtle was chief of the Miami tribe whose territory became what is now Indiana and Ohio.
57.十八世紀(jì)時，"小烏龜"是邁阿密部落的酋長，該部落的地盤就是今天的印第安那州和俄亥俄州。
58. Among almost seven hundred species of bamboo, some are fully grown at less than a foot high, while others can grow three feet in twenty-four hours.
58.在竹子的近七百個品種中，有的全長成還不到一英尺，有的卻能在二十四小時內(nèi)長出三英尺。
59. Before staring on a sea voyage, prudent navigators learn the sea charts, study the sailing directions, and memorize lighthouse locations to prepare themselves for any conditions they might encounter.
59.謹(jǐn)慎的航海員在出航前，會研究航向，記錄的燈塔的位置，以便對各種可能出現(xiàn)的情況做到有備無患。
60. Of all the economically important plants, palms have been the least studied.
60.在所有的經(jīng)濟(jì)作物中，棕櫚樹得到的研究最少。
61. Buyers and sellers should be aware of new developments in technology can and does affect marketing activities.
61.購買者和銷售者都應(yīng)該留意技術(shù)的新發(fā)展，原因很簡單，因?yàn)榧夹g(shù)能夠并且已經(jīng)影響著營銷活動。
62. The application of electronic controls made possible by the microprocessor and computer storage have multiplied the uses of the modern typewriter.
62.電腦儲存和由于電子微處理機(jī)得以實(shí)現(xiàn)的電控運(yùn)用成倍的增加了現(xiàn)代打字機(jī)的功能。
63. The human skeleton consists of more than two hundred bones bound together by tough and relatively inelastic connective tissues called ligaments.
63.人類骨骼有二百多塊骨頭組成，住些骨頭石油堅(jiān)韌而相對缺乏彈性的，被稱為韌帶的結(jié)蒂組連在一起。
64. The pigmentation of a pearl is influenced by the type of oyster in which it develops and by the depth, temperature, and the salt content of the water in which the oyster lives.
64.珍珠的色澤受到作為其母體牡蠣種類及牡蠣生活水域的深度，溫度和含鹽度的制約。
65. Although mockingbirds superbly mimic the songs and calls of many birds, they can nonetheless be quickly identified as mockingbirds by certain aural clues.
65.盡管模仿鳥學(xué)很多種鳥的鳴叫聲惟妙惟肖，但人類還是能夠依其聲音上的線索很快識別它們。
66. Not only can walking fish live out of water, but they can also travel short distances over land.
66.鲇魚不僅可以離開水存活，還可以在岸上短距離移動。
67. Scientists do not know why dinosaurs became extinct, but some theories postulate that changers in geography, climate, and sea levels were responsible.
67.科學(xué)家不知道恐龍為何絕種了，但是一些理論推斷是地理，氣候和海平面的變化造成的。
68. The science of horticulture, in which the primary concerns are maximum yield and superior quality, utilizes inFORMation derived from other sciences.
68.主要目的在于豐富和優(yōu)質(zhì)的農(nóng)藝學(xué)利用了其他科學(xué)的知識。
69. Snow aids farmers by keeping heart in the lower ground levels, thereby saving the seeds from freezing.
69.雪對農(nóng)民是一種幫助，因?yàn)樗３值貙油寥赖臏囟?，使種子不致凍死。