【正文】 水獺啃倒樹木，以便取食物并獲得造窩的材料。77. Poodles were once used as retrievers in duck hunting, but the American Kennel Club does not consider them sporting dogs because they are now primarily kept as pets.poodle [39。pu:dl] n. 獅子狗retriever [ri39。tri:v?] n. （訓練成能尋回獵物的）獵犬；取回的人kennel [39。ken?l] n. 狗屋；養(yǎng)狗場primarily [39。praim?r?li] adv. 首先；主要地，根本上pet [pet] n. 寵物；生氣；受寵愛的人長卷毛狗曾被用作獵鴨時叼回獵物的獵犬，但是美國Kennel Club卻不承認它們?yōu)楂C犬，因為它們現(xiàn)在大多數(shù)作為寵物飼養(yǎng)。78. As a result of what is now know in physics and chemistry, scientists have been able to make important discoveries in biology and medicine.physics [39。fiziks] n. 物理學；物理現(xiàn)象chemistry [39。kemistri] n. 化學；化學過程biology [bai39。?l?d?i] ；生物學medicine [39。medisin] n. 藥；醫(yī)學；內(nèi)科；巫術 vt. 用藥物治療；給…用藥物理學和化學的一個成果是使得科學家們能在生物學和醫(yī)學上獲得重大發(fā)現(xiàn)。79. The practice of making excellent films based on rather obscure novels has been going on so long in the United States as to constitute a tradition.excellent [39。eks?l?nt] adj. 卓越的；極好的；杰出的obscure [?b39。skju?, ?b] adj. 模糊的；晦澀的；昏暗的 vt. 遮掩；使變暗；使難理解constitute [39。k?nstitju:t] vt. 組成，構成；建立；任命根據(jù)默默無聞的小說制作優(yōu)秀影片在美國由來已久，已經(jīng)成為傳統(tǒng)。80. Since the consumer considers the best fruit to be that which is the most attractive, the grower must provide products that satisfy the discerning eye.consumer [k?n39。sju:m?] n. 消費者；用戶，顧客attractive [?39。tr230。ktiv] adj. 吸引人的；有魅力的；引人注目的discern [di39。s?:n, 39。z?:n] vt. 識別；領悟，認識 vi. 看清楚，辨別因為顧客認為最好的水果應該看起來也是最漂亮的，所以種植者必須提供能滿足挑剔眼光的產(chǎn)品。81. Television the most pervasive and persuasive of modern technologies, marked by rapid change and growth, is moving into a new era, an era of extraordinary sophistication and versatility, which promises to reshape our lives and our world.pervasive [p?:39。veisiv, p?] adj. 普遍的；到處滲透的persuasive [p?39。sweisiv, ziv] adj. 有說服力的；勸誘的，勸說的extraordinary [ik39。str?:d?n?ri, ,ekstr?39。?:di] adj. 非凡的；特別的；離奇的；臨時的；特派的sophistication [s?,fisti39。kei??n] n. 復雜；詭辯；老于世故；有教養(yǎng)versatilityn. 多功能性；多才多藝；用途廣泛promise [39。pr?mis] n. 許諾，允諾；希望 v. 允諾，許諾；給人以…的指望或希望reshape [,ri:39。?eip] vt. 改造；再成形電視，這項從迅速變化和成長為標志的最普及和最有影響力的現(xiàn)代技術，正在步入一個新時代，一個極為成熟和多樣化的時代，這將重塑我們的生活和世界。82. Television is more than just an electronics。 it is a means of expression, as well as a vehicle for munication, and as such bees a powerful tool for reaching other human beings.electronics [,ilek39。tr?niks] n. 電子學；電子工業(yè)expression [ik39。spre??n] n. 表達，表示；表情；表現(xiàn)力；措辭vehicle [39。vi:ikl] n. [車輛] 車輛；工具；交通工具；運載工具；傳播媒介；媒介物munication [k?,mju:ni39。kei??n] n. 通訊，[通信] 通信；交流電視不僅僅是一件電器；它是表達的手段和交流的載體并因此成為聯(lián)系他人的有力工具。83. Even more shocking is the fact that the number and rate of imprisonment have more than doubled over the past twenty years, and recidivismthat is the rate for rearrestis more than 60 percent.shocking [39。??ki?] adj. 令人震驚的；可怕的，令人厭惡的；糟糕的rate [reit] n. 比率，率；速度；價格；等級imprisonment [im39。priz?nm?nt] n. 監(jiān)禁，關押；坐牢；下獄recidivism [ri39。sidiviz?m] n. 再犯，累犯更讓人吃驚的事實是監(jiān)禁的數(shù)目和比例在過去的二十年中翻了一番還有余，以及累犯率——即再次拘押的比例——為百分之六十強。 84. His teaching began at the Massachusetts Institute of Technology, but William Rainey Harper lured him to the new university of Chicago, where he remained officially for exactly a generation and where his students in advanced position found him terrifyingly frigid in the classroom but sympathetic and understanding in their personal conferences.Massachusetts [,m230。s?39。t?u:sits] n. 馬薩諸塞州（美國）institute [39。institjut, tu:t] n. 學會，協(xié)會；學院Massachusetts Institute of Technology麻省理工學院lure [lju?] n. 誘惑；餌；誘惑物 vt. 誘惑；引誘officially [?39。fi??li] adv. 正式地；官方地；作為公務員exactly [iɡ39。z230。ktli] adv. 恰好地；正是；精確地；正確地generation [,d?en?39。rei??n] n. 一代；產(chǎn)生；一代人terrifyingly [39。terifaii?li] adv. 驚人地；令人害怕地frigid [39。frid?id] adj. 寒冷的，嚴寒的；冷淡的sympathetic [,simp?39。θetik] adj. 同情的。共鳴的；贊同的；和諧的；合意的 conference [39。k?nf?r?ns] n. 會議；協(xié)商；討論；[籃]聯(lián)盟他的教書生涯始于麻省理工學院，但是William Rainey Harper把他吸引到了新成立的芝加哥大學。他在那里正式任職長達整整一代人的時間。他的高級作文課上的學生覺得他在課上古板得可怕，但私下交流卻富有同情和理解。85. The sloth pays such little attention to its personal hygiene that green algae grow on its coarse hair and munities of a parasitic moth live in the depths of its coat producing caterpillars which graze on its mouldy hair. Its muscles are such that it is quits incapable of moving at a speed of over a kilometer an hour even over the shortest distances and the swiftest movement it can make is a sweep of its hooked arm.sloth [sl?θ] n. 怠惰，懶惰；[脊椎] 樹懶hygiene [39。haid?i:n] n. 衛(wèi)生；衛(wèi)生學；保健法algae [39。230。lɡ?d?i:, 39。230。ld?i:] n. [植] 藻類；[植] 海藻coarse [k?:s] adj. 粗糙的；粗俗的；下等的munity [k?39。mju:niti] n. 社區(qū)；團體；共同體；群落parasitic [,p230。r?39。sitik] adj. 寄生的（等于parasitical）moth [m?θ, m?:θ] n. 蛾；蛀蟲caterpillar [39。k230。t?pil?] n. [無脊椎] 毛蟲；履帶車 adj. 有履帶裝置的graze [ɡreiz] vt. 放牧；擦傷 vi. 吃草；擦傷 n. 放牧；輕擦mouldy [39。m?uldi] n. 魚雷 adj. 發(fā)霉的；舊式的；腐朽的muscle [39。m?sl] n. 肌肉；力量quits [kwits] adj. 對等的；兩相抵消的incapable [in39。keip?bl] adj. 不能的；無能力的；不能勝任的hooked [hukt] adj. 鉤狀的；吸毒成癮的；入迷的樹獺即不講究衛(wèi)生，以至于它粗糙的毛發(fā)上生出綠苔，成群的寄生蛾生長在它的皮毛深處，變成毛毛蟲，并以它的臟毛為食。她的肌肉不能讓他哪怕在很短的距離以內(nèi)以每小時一公里的速度移動。它能做的最敏捷的動作就是揮一揮它彎曲的胳膊。86. Artificial flowers are used for scientific as well as for decorative purposes. They are made from a variety of materials, such as wax and glass, so skillfully that they can scarcely be distinguished from natural flowers.artificial [,ɑ:ti39。fi??l] adj. 人造的；仿造的；虛偽的；非原產(chǎn)地的；武斷的scientific [,sai?n39。tifik] adj. 科學的，系統(tǒng)的decorative [39。dek?r?tiv] adj. 裝飾性的；裝潢用的skillfully [39。skilfuli] adv. 巧妙地；精巧地scarcely [39。skε?sli] adv. 幾乎不，簡直不；簡直沒有distinguish [dis39。ti?ɡwi?] vt. 區(qū)分；辨別；使杰出，使表現(xiàn)突出 vi. 區(qū)別，區(qū)分；辨別人造花卉即可用于科學目的，也可用于裝飾目的，它們可以用各種各樣的材料制成，臂如蠟和玻璃；其制作如此精巧，幾乎可以以假亂真。87. Three years of research at an abandoned coal mine in Argonne, Illinois, have resulted in findings that scientists believe can help reclaim thousands of mine disposal sites that scar the coalrich regions of the United States.abandon [?39。b230。nd?n] vt. 遺棄；放棄 n. 狂熱；放任Argonne [ɑ:39。ɡ?n] 阿戈訥(法國東北部林區(qū)，第一、二次世界大戰(zhàn)主戰(zhàn)場之一)[亦作 Argonne Forest]reclaim [ri39。kleim] vt. 開拓；回收再利用；改造某人，使某人悔改 vi. 抗議，喊叫 n. 改造，感化；再生膠disposal [dis39。p?uz?l] n. 處理；支配；清理；安排 (或置放)廢品的site [sait] n. 地點；位置；場所 vt. 設置；為…選址scar [skɑ:] vt. 傷害；給留下傷痕 vi. 結疤；痊愈 n. 創(chuàng)傷；傷痕region [39。ri:d??n] n. 地區(qū)；范圍；部位result in導致，結果是在伊利諾州Ango