【正文】 e so that the density of a substance’s solid is higher than the density of its liquid.，所以他們的密度在固態(tài)時高于液態(tài)。　　22. The chief foods eaten in any country depend largely on what grows best in its climate and soil.，大體取決于什么作物在其天氣和土壤條件下生長得最好。　　20. Although pecans are most plentiful in the southeastern part of the United States, they are found as far north as Ohio and Illinois.。　　18. Fungi are important in the process of decay, which returns ingredients to the soil, enhances soil fertility, and deposes animal debris.，而腐化過程將化學物質回饋于土壤，提高其肥力，并分解動物糞便?！　?6. The development of mechanical timepieces spurred the search for more accurate sundials with which to regulate them.，以便校準機械計時器。14. Long before children are able to speak or understand a language, they municate through facial expressions and by making noises.，很久就會通過面部表情和靠發(fā)出噪聲來與人交流了?！　?2. Billie Holiday’s reputation as a great jazzblues singer rests on her ability to give emotional depth to her songs.12. Billie Holiday’s作為一個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.?！　?. With modern offices being more mechanized, designers are attempting to personalize them with warmer, less severe interiors.，設計師們正試圖利用較為溫暖而不太嚴肅的內部裝飾來使其具有親切感?！　?. The greater the population there is in a locality, the greater the need there is for water, transportation, and disposal of refuse.，其對水，交通和垃圾處理的需求就會越大?！　?. Because of its irritating effect on humans, the use of phenol as a general antiseptic has been largely discontinued.，它基本上已不再被當作常用的防腐劑了。 傳說中的100句 搞定7000單詞 1. Typical of the grassland dwellers of the continent is the American antelope, or pronghorn.，或稱叉角羚，是該大陸典型的草原動物。 2. Of the millions who saw Haley’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中，有多少人能夠長壽到足以目睹它在二十一世紀的回歸呢？　　3. Anthropologists have discovered that fear, happiness, sadness, and surprise are universally reflected in facial expressions.，恐懼，快樂，悲傷和驚奇都會行之于色，這在全人類是共通的?！　?. In group to remain in existence, a profitmaking organization must, in the long run, produce something consumers consider useful or desirable.，最終都必須生產出消費者可用或需要的產品?！　?. It is more difficult to write simply, directly, and effectively than to employ flowery but vague expressions that only obscure one’s meaning.，直接，有力的寫作難于花哨，含混而意義模糊的表達。　　9. The difference between libel and slander is that libel is printed while slander is spoken.，而后者是口頭的?！　?1. Acids are chemical pounds that, in water solution, have a sharp taste, a corrosive action on metals, and the ability to turn certain blue vegetable dyes red.，它在溶于水時具有強烈的氣味和對金屬的腐蝕性，并且能夠使某些藍色植物染料變紅。　　13. Essentially, a theory is an abstract, symbolic representation of what is conceived to be reality.?！　?5. Thanks to modern irrigation, crops now grow abundantly in areas where once nothing but cacti and sagebrush could live.(技術設施)之賜，農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。　　17. Anthropology is a science in that anthropologists use a rigorous set of methods and techniques to document observations that can be checked by others.，因為人類學家采用一整套強有力的方法和技術來記錄觀測結果，而這樣記錄下來的觀測結果是供他人核查的。　　19. When it is struck, a tuning fork produces an almost pure tone, retaining its pitch over a long period of time.，產生幾乎純質的音調，其音量經久不衰?！　?1. Eliminating problems by transferring the blame to others is often called scapegoating.?！　?3. Over a very large number of trials, the probability of an event’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?！　?5. The mechanism by which brain cells store memories is not clearly understood.?！　?7