【正文】 goldenrods crowd out less hardy plants and act as hosts to many insect pests.annoying [?39。zempl?ri] adj. 典范的；懲戒性的；可仿效的歷代文學(xué)作品中的英雄本色雖各有千秋，但其昭世功力卻是恒古不變的。ε?bai] adv. 從而，因此；在那附近；在那方面雪對農(nóng)民是一種幫助，因為它保持地層土壤的溫度，使種子不致凍死。69. Snow aids farmers by keeping heart in the lower ground levels, thereby saving the seeds from freezing.aid [eid] n. 援助；幫助；助手；幫助者 vt. 援助；幫助；有助于 vi. 幫助thereby [,240。s?:n] vt. 涉及，關(guān)系到；使擔(dān)心 n. 關(guān)系；關(guān)心；關(guān)心的事yield [ji:ld] vt. 屈服；出產(chǎn)；放棄 vi. 屈服，投降 n. 產(chǎn)量；收益superior [sju:39。t?eind??] (或物)，變更者；變換器；換流器；轉(zhuǎn)換開關(guān)；(電唱機的)自動換片裝置科學(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。sti?kt] adj. 滅絕的，絕種的；熄滅的postulate [39。?:r?l] adj. 聽覺的；耳的；氣味的；先兆的clue [klu:] n. 線索盡管模仿鳥學(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。mimik] vt. 模仿，摹擬nonetheless [,n?n240。65. Although mockingbirds superbly mimic the songs and calls of many birds, they can nonetheless be quickly identified as mockingbirds by certain aural clues.mockingbird [39。liɡ?m?nt] n. 韌帶；紐帶，系帶人類骨骼有二百多塊骨頭組成，住些骨頭石油堅韌而相對缺乏彈性的，被稱為韌帶的結(jié)蒂組連在一起。l230。st?rid?] n. 存儲；倉庫；貯藏所multiply [39。kei??n] n. 應(yīng)用；申請；應(yīng)用程序；敷用control [k?n39。61. Buyers and sellers should be aware of new developments in technology can and does affect marketing activities.affect [?39。n230。bu:] n. 竹，竹子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。hai?u] n. 俄亥俄州（美國一個州）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。t?:tl] n. 龜，甲魚；海龜tribe [traib] n. 部落；族；宗族；一伙territory [39。sineiti?] adj. 迷人的；吸引人的；使人神魂顛倒的chain [t?ein] n. 鏈優(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。n?ns?ns] adj. 荒謬的 n. 胡說；廢話hypotheses [hai39。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.。titju:d] n. 態(tài)度；看法；意見；姿勢principal [39。n?kiz?m] n. 無政府主義cluster [39。k?ltiveit] vt. 培養(yǎng)；陶冶；耕作corn [k?:n] n. （美）玉米；（英）谷物crop [kr?p] n. 產(chǎn)量；農(nóng)作物；莊稼critical [39。klain] vi. 傾斜；傾向；易于 vt. 使傾斜；使傾向于selfconfidence [39。ɡaid?ns] n. 指導(dǎo)，引導(dǎo)；領(lǐng)導(dǎo)consistent [k?n39。b230。l230。f?rid] n. 額，前額protrude [pr?u39。zembl] vt. 類似，像chimpanzee [,t?imp?n39。230。imiɡr?nt] n. 移民，僑民給美國的新移民增加教育設(shè)施比任何社會運動都更多的激發(fā)了Elizabeth Williams的熱情。z?m] n. 熱心，熱忱，熱情facility [f?39。44. No social crusade aroused Elizabeth Williams39。43. It is the interaction between people, rather than the events that occur in their lives, that is the main focus of social psychology.interaction [,int?r39。bain] vt. 使化合；使聯(lián)合，使結(jié)合 vi. 聯(lián)合，結(jié)合；化合尤它州制造業(yè)的年產(chǎn)值大于其工業(yè)和農(nóng)業(yè)的總和。230。ntl] n. 地幔；斗篷；覆蓋物yield [ji:ld] n. 產(chǎn)量；收益 v. 屈服；出產(chǎn)；放棄；投降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。40. Studies of the gravity field of the Earth indicate that its crust and mantle yield when unusual weight is placed on them.gravity [39。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.continental [,k?nti39。feminiz?m] n. 女權(quán)主義；女權(quán)運動；男女平等主義Lucretia Mott’s的影響巨大，所以一些權(quán)威部門認(rèn)定她為美國女權(quán)運動的創(chuàng)始人。nifik?nt] adj. 重大的；有效的；有意義的；值得注意的；意味深長的credit [39。b?nd?nt] adj. 豐富的；充裕的；盛產(chǎn)wildlife [39。36. One of the wildest and most inaccessible parts of the United States is the Everglades where wildlife is abundant and largely protected.inaccessible [,in230。temp?r?ri] n. 同時代的人；同時期的東西 adj. 當(dāng)代的；同時代的；屬于同一時期的emphasize [39。fju:t??riz?m] n. 未來主義；未來派movement [39。nei??n] n. 消除；淘汰；除去inflation [in39。mik] n. 動態(tài)；動力dynamics [dai39。zen?n, 39。kt, im39。39。r?ntli] adv. 顯然地；似乎，表面上rigid [39。r?uzm?ri, mε?ri] n. [植] 迷迭香remembrance [ri39。f] n. 職員Elizabeth Blackwell，美國第一個女醫(yī)生，創(chuàng)建了員工一直為女性的紐約診所。f?:m?ri] n. 醫(yī)務(wù)室；醫(yī)院；養(yǎng)老院institution [,insti39。mek?niz?m] n. 機制；原理brain [brein] n. 頭腦，智力；腦袋cell [sel] n. 細(xì)胞大腦細(xì)胞儲存記憶的機理并不為人明白。tr230。s solid is higher than the density of its liquid.substance [39。bil?ti] n. 可能性；機率；[數(shù)] 概率event [i39。klaimit] n. 氣候；風(fēng)氣；思潮；風(fēng)土一個國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得最好。ns39。hai?u] n. 俄亥俄州（美國一個州）Illinois [,ili39。20. Although pecans are most plentiful in the southeastern part of the United States, they are found as far north as Ohio and Illinois.pecan [pi39。deibri:] n. 碎片，殘骸真菌在腐化過程中十分重要，而腐化過程將化學(xué)物質(zhì)回饋于土壤，提高其肥力，并分解動物糞便。ɡri:di?nt] n. 原料；要素；組成部分soil [s?il] n. 土地；土壤enhance [in39。vei??n] n. 觀察；監(jiān)視；觀察報告check [t?ek] v. 核對無誤；證明無誤人類學(xué)是一門科學(xué)，因為人類學(xué)家采用一整套強有力的方法和技術(shù)來記錄觀測結(jié)果，而這樣記錄下來的觀測結(jié)果是供他人核查的。p?l?d?i] n. 人類學(xué)rigorous [39。kjur?t] adj. 精確的sundial [39。seid?br??] n. [植] 蒿屬植物（產(chǎn)于美國西部）受當(dāng)代灌溉(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。k230。mju:nikeit] v. 通訊，傳達；溝通兒童在能說或能聽懂語言之前，很久就會通過面部表情和靠發(fā)出噪聲來與人交流了。si:v] vt. 構(gòu)思；持有；以為；懷孕reality [ri39。str230。230。m?u??n?l] adj. 情緒的；易激動的；感動人的Billie Holiday39。r?usiv] adj. 腐蝕的；侵蝕性的dye [dai] vt. 染；把…染上顏色酸是一種化合物，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。kemik?l] n. 化學(xué)制品，化學(xué)藥品。10. The knee is the joints where the thigh bone meets the large bone of the lower leg.knee [ni:] n. 膝蓋，膝joint [d??int] n. 關(guān)節(jié)；接合處，接合點；接縫thigh [θai] n. 大腿，股lower leg小腿膝蓋是大腿骨和小腿脛的連接處。ti?ri?] n. 內(nèi)部；室內(nèi) adj. 內(nèi)部的；國內(nèi)的；本質(zhì)的 interior designer室內(nèi)設(shè)計師隨著現(xiàn)代辦公室的日益自動化，設(shè)計師們正試圖利用較為溫暖而不太嚴(yán)肅的內(nèi)部裝飾來使其具有親切感。8. With modern offices being more mechanized, designers are attempting to personalize them with warmer, less severe interiors.mechanized [39。fektivli] adv. 有效地，生效地；有力地vague [veiɡ] adj. 模糊的；含糊的；不明確的；曖昧的employ [im39。7. It is more difficult to write simply, directly, and effectively than to employ flowery but vague expressions that only obscure one39。tei??n, ,tr230。lei??n] n. 人口；種群，群體；全體居民locality [l?u39。zei??n, ni39。tinju:d] adj. 停止使用的；不連續(xù)的 v. 停止（discontinue的過去分詞）由于苯酚對人體帶有刺激性作用，它基本上已不再被當(dāng)作常用的防腐劑了。fi:n?l, fi39。fei??l] adj. 面部的，表面的；臉的，面部用expression [ik39。dnis] n. 悲哀surprise [s?39。p?l?d?ist] n. 人類學(xué)家；人類學(xué)者fear [fi?] n. 害怕；恐懼；敬畏；擔(dān)心happiness [39。s et in 1986, how many people will live long enough to see it return in the twentyfirst century.Haley [39。230。ɡrɑ:sl230。tipik?l] adj. 典型的；特有的；象征性的grassland [39。k?ntin?nt] n. 大陸，洲，陸地antelope [39。2. Of the millions who saw Haley39。nθr?39。s230。flekt] v. 反映；反射，照出；反省facial [39。iriteiti?] adj. 刺激的；氣人的；使憤怒的 v. 刺激（irritate的ing形式）；激怒phenol [39。septik] n. 防腐劑，抗菌劑 adj. 防腐的，抗菌的；非常整潔的discontinued [,disk?n39。pr?fit,meiki?] adj. 營利的；有利可圖的 n. 營利；賺錢organization [,?:ɡ?nai39。6. The greater the population there is in a locality, the greater the need there is for wat