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 interactionbetween people, rather than the events that occur in their lives, thatis the main focus of social psychology。

　　43.社會(huì)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 crusadearoused Elizabeth Williams’ enthusiasm more than the expansion ofeducational 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(huì)運(yùn)動(dòng)都更多的激發(fā)了Elizabeth Williams的熱情。

　　45. Quails typically haveshort rounded wings that enable them to spring into full flightinstantly 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(shí)一躍而起，飛離它們的躲藏地。

　　46. According toanthropologists, the earliest ancestors of humans that stood uprightresembled chimpanzees facially, with sloping foreheads and protrudingbrows。

　　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, JohnCrowe Ransom describes what he considers the spiritual barrenness ofsociety 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(huì)帶來的精神貧困。

　　49. Children with parentswhose guidance is firm, consistent, and rational are inclined topossess 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 Hopewellpeople of North America probably cultivated corn and other crops, buthunting and gathering were still of critical importance in theireconomy。

　　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 termdescribing a cluster of doctrines and attitudes whose principal unitingfeature is the belief that government is both harmful and unnecessary。

　　52.無政府主義這個(gè)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 moreeffect on the daily lives of most people in the Untied States than didHenry 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(jià)錢。

　　57. During the eighteenthcentury, Little Turtle was chief of the Miami tribe whose territorybecame what is now Indiana and Ohio。

　　57.十八世紀(jì)時(shí)，“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 sevenhundred species of bamboo, some are fully grown at less than a foothigh, while others can grow three feet in twenty-four hours。

　　58.在竹子的近七百個(gè)品種中，有的全長成還不到一英尺，有的卻能在二十四小時(shí)內(nèi)長出三英尺。

　　59. Before staring on a seavoyage, prudent navigators learn the sea charts, study the sailingdirections, and memorize lighthouse locations to prepare themselves forany conditions they might encounter。

　　59.謹(jǐn)慎的航海員在出航前，會(huì)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。