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1、1, In view of these facts, scientists hypothesized that a single large asteroid, about 10 to 15 kilometers across, collided with Earth, and the resulting fallout created the boundary clay. Their calculations show that the impact kicked up a dust cloud that cut off sunlight for several months, inhibi
2、ting photosynthesis in plants; decreased surface temperatures on continents to below freezing; caused extreme episodes of acid rain; and significantly raised long-term global temperatures through the greenhouse effect. This disruption of food chain and climate would have eradicated the dinosaurs and
3、 other organisms in less than fifty years. 考虑到这些事实，科学家们就假设有一个较大的小行星，直径差不多有10到15公里，曾与地球相撞，所以碰撞扬起的灰尘等就形成了这层粘土层。他们的计算表明撞击扬起的灰尘遮挡了阳光达几个月之久，阻止了植物的光合作用，将陆地上的气温降到了零点之下，导致酸雨，通过温室效应造成了长期的、严重的全球升温。这种对食物链和气候的极大扰乱将可使恐龙和其他生物在不到50年的时间内绝迹。T8 (2) 12#12. Paragraph 6 mentions all of the following effects of the hypot
4、hesized asteroid collision EXCEPT12. EXCEPT题，排除法。A的dust cloud，B的drop in the surface temperatures和D的increase in global temperatures都能定位至第二句，都正确，不选；C的rainfall原文没说，错，选a large dust cloud that blocked sunlightan immediate drop in the surface temperatures of the continentsan extreme decrease in rainfall o
5、n the continentsa long-term increase in global temperatures2, Some scientists speculate that Mars may have enjoyed an extended early Period during which rivers, lakes, and perhaps even oceans adorned its surface. A 2003 Mars Global Surveyor image shows what mission specialists think may be a deltaa
6、fan-shaped network of channels and sediments where a river once flowed into a larger body of water, in this case a lake filling a crater in the southern highlands. Other researchers go even further, suggesting that the data provide evidence for large open expenses of water on the early Martian surfa
7、ce. A computer-generated view of the Martian north polar region shows the extent of what may have been an ancient ocean covering much of the northern lowlands. The Hellas Basin, which measures some 3,000 kilometers across and has a floor that lies nearly 9 kilometers below the basins rim, is another
8、 candidate for an ancient Martian sea. 一些科学家认为早期的火星上广泛存在着河流，湖泊甚至是海洋。一份2003年的对火星全球的调查照片显示了一个科学家们认为是三角洲的构造一个扇形的沉积物和水流通道的网络，河流可能是从这里流入了一个更大的水体；在这种情况下，它可能是南部高地的一个火山口湖泊。其他研究者做了更大胆的猜测，他们认为那些数据表明早期在火星表面存在大量的水。一张关于火星北部极地地区的电脑图片说明有可能有一个古老的海洋覆盖了大部分北部的低洼处。那座有大约3000公里宽，9公里深的Hellas盆地也可能是火星海洋。T8 (3) 7#7. All of t
9、he following questions about geological features on Mars are answered in paragraph 3 EXCEPT:7. EXCEPT题，排除法。A的regions做关键词定位至第二句的后半部分和倒数第二句，正确，不选；B的delta做关键词定位至原文第二句，正确，不选；C的craters做关键词定位至第二句，但原文只说有crater被填满，没说几个，所以C错，选；D的large bodies of water与原文第一句的rivers, lakes and even oceans同义重合，正确，不选What are some
10、 regions of Mars that may have once been covered with an ocean?Where do mission scientists believe that the river forming the delta (河流的)三角洲emptied?Approximately how many craters on Mars do mission scientists believe may once have been lakes filled with water?During what period of Mars history do so
11、me scientists think it may have had large bodies of water?3, Wildman and Niles were particularly interested in investigating the conditions under which reflection might flourish-a subject on which there is little guidance in the literature. They designed an experimental strategy for a group of teach
12、ers in Virginia and worked with 40 practicing teachers over several years. They were concerned that many would be drawn to these new, refreshing conceptions of teaching only to find that the void between the abstractions and the realities of teacher reflection is too great to bridge. Reflection on a
13、 complex task such as teaching is not easy. The teachers were taken through a program of talking about teaching events, moving on to reflecting about specific issues in a supported, and later an independent, manner. T9(2)4#Wildman 和Niles 都特别喜欢研究在哪种情况下反思可能大量出现一个几乎没有任何文献指导的课题。他们给维吉利亚的一组教师设计了一个实验策略，并在几
14、年内研究了40位教师。他们担心很多人可能“沉浸在这种全新的教育概念中，结果却发现教师反思的抽象概念和现实之间的鸿沟太大而无法逾越。要反思像教学这样复杂的工作并不容易”。要反思像教学这样复杂的事件不是容易的。老师们都参加了关于教学事件计划的讨论，紧接着在工作人员的协助下去反思具体问题，然后是独立反思。4. All of the following are mentioned about the experimental strategy described in paragraph 2 EXCEPT:4. EXCEPT题，排除法。A的without help与第一句的little guidanc
15、e同义重合，正确，不选； B的a period of years做关键词定位至原文第二句，正确，不选；C的discussion与原文最后一句的talk同义重合，正确，不选；D的writing原文没说，错，选It was designed so that teachers would eventually reflect without help from othersIt was used by a group of teachers over a period of years.It involved having teachers take part in discussions of c
16、lassroom eventsIt involved having teachers record in writing their reflections about teaching4, To the extent that the coverage of the global climate from these records can provide a measure of its true variability, it should at least indicate how all the natural causes of climate change have combin
17、ed. These include the chaotic fluctuations of the atmosphere, the slower but equally erratic （漂泊不定的，古怪的）behavior of the oceans, changes in the land surfaces, and the extent of ice and snow. Also included will be any variations that have arisen from volcanic activity, solar activity, and, possibly, h
18、uman activities.T10 (2) 8#这些记录中对全球气候的覆盖度已经达到了可以提供气候可变性的方法的程度，它应该至少揭示所有引起气候变化的自然原因是怎样结合的。这些原因包括混乱的大气波动，相对较慢但相当混乱的海洋活动，地表变化和冰雪的覆盖度。还包括任何火山活动、太阳活动将会引起的变化。或许也包括人类活动引起的变化。8. All of the following are mentioned in paragraph 5 as natural causes of climate change EXCEPT8. EXCEPT题，排除法。A对应第二句的fluctuation of th
19、e atmosphere，正确，不选；B与原文的changes in land surface有明显区别，错，选；C对应原文的extent of ice and snow，正确，不选；D对应原文的erratic behavior of the ocean，正确，不选 atmospheric 大气的changes the slow movement of landmasses fluctuations in the amount of ice and snow changes in ocean activity5, The rapid expansion in international tra
20、de also benefitted from an infusion of capital, stemming largely from gold and silver brought by Spanish vessels from the Americas. This capital financed the production of goods, storage, trade, and even credit across Europe and overseas. Moreover an increased credit supply was generated by investme
21、nts and loans by bankers and wealthy merchants to states and by joint-stock partnerships - an English innovation (the first major company began in 1600). Unlike short-term financial cooperation between investors for a single commercial undertaking, joint-stock companies provided permanent funding of
22、 capital by drawing on the investments of merchants and other investors who purchased shares in the company. 由西班牙商船从美国带来的金银成为了促进国际贸易快速发展的资本注入。这些资本资助了商品的生产，存储，交易，甚至是全欧洲乃至海外的贷款。不仅如此，投资，政府向银行家和商人的借贷以及一项英国的革新股份制公司（第一家主要的股份制公司始于1600年）都增加了贷款的供应。与由投资家组成的以单个商业项目为目的的短期财团不同，股份制公司通过商人和其他投资者购买公司股份所带来的投资提供长期的资金筹
23、集。12. According to paragraph 8, each of the following was a source of funds used to finance economic expansion EXCEPT12. EXCEPT题，排除法。A的short-term financial cooperation对应最后一句，正确，不选；B好像对应第三句，但原文说银行家和富商贷款给state，state的钱是从别人那借的，没法促进发展，所以B错，选；C和D都对应原文第三句，正确，不选 groups of investors engaged in short-term fin
24、ancial cooperation the state wealthy merchants joint-stock companies6, In order to understand ancient Egyptian art, it is vital to know as much as possible of the elite Egyptians view of the world and the functions and contexts of the art produced for them. Without this knowledge we can appreciate o
25、nly the formal content of Egyptian art, and we will fail to understand why it was produced or the concepts that shaped it and caused it to adopt its distinctive forms. In fact, a lack of understanding concerning the purposes of Egyptian art has often led it to be compared unfavorably with the art of
26、 other cultures: Why did the Egyptians not develop sculpture in which the body turned and twisted through space like classical Greek statuary? Why do the artists seem to get left and right confused? And why did they not discover the geometric perspective as European artists did in the Renaissance? T
27、he answer to such questions has nothing to do with a lack of skill or imagination on the part of Egyptian artists and everything to do with the purposes for which they were producing their art.为了能深入理解古埃及艺术，极为重要的一点是要尽可能多地了解其精英阶层的世界观以及当时艺术创造的功能和背景。若是没有这些认识，我们只能窥探到古埃及艺术的外在情境而无法理解它们创造出来的目的和所秉持的理念，也无法得知其
28、采用的独特艺术形式的原因。事实上，正是因为人们缺乏对这些根本意义的了解，让古埃及文化艺术在与其他艺术进行对比时往往遭到质疑：为什么古埃及的雕塑作品不像古希腊的经典作品那样，在空间上进行弯曲和旋转？为什么那些艺术家看上去似乎都左右不分？又是为什么，在那些艺术作品里，完全没有体现过文艺复兴时期欧洲艺术里普遍采用的几何透视？然而，这些问题的答案完全不能说明古埃及的艺术家技艺不佳或者缺乏想象力，而恰恰体现了他们创造这些艺术的意义所在。2. Paragraph 1 suggests that one reason Egyptian art is viewed less favorably than ot
29、her art is that Egyptian art lacks2. 以less favorably做关键词定位至第三句，问题问缺乏什么，本句说缺乏对于目的性的理解，冒号后又说为什么埃及的雕塑的body不是turned and twisted，也就是身体是不动的，所以答案是D缺乏动作 a realistic sense of human body proportion a focus on distinctive forms of varying sizes the originality of European art the capacity to show the human bod
30、y in motion3. In paragraph 1, the author mentions all of the following as necessary in appreciating Egyptian art EXCEPT an understanding of3. EXCEPT题，排除法。A的reasons对应原文第三句的understanding concerning the purposes，正确，不选；B的aristocratoc Egyptian belief对应第一句的elite Egyptians view，正确，不选；C没有对应的原文，错，选；D对应第一句的fu
31、nctions，正确，不选 the reasons why the art was made the nature of aristocratic Egyptian beliefs the influences of Egyptian art on later art such as classical Greek art how the art was used7, Statues were normally made of stone, wood, or metal. Stone statues were worked from single rectangular blocks of m
32、aterial and retained the compactness of the original shape. The stone between the arms and the body and between the legs in standing figures or the legs and the seat in seated ones was not normally cut away. From a practical aspect this protected the figures against breakage and psychologically give
33、s the images a sense of strength and power, usually enhanced by a supporting back pillar. By contrast, wooden statues were carved from several pieces of wood that were pegged together to form the finished work, and metal statues were either made by wrapping sheet metal around a wooden core or cast b
34、y the lost wax process. The arms could be held away from the body and carry separate items in their hands; there is no back pillar. The effect is altogether lighter and freer than that achieved in stone, but because both perform the same function, formal wooden and metal statues still display fronta
35、lity.这些雕塑通常是由石头，木材和金属做成的。石制雕像是用长方形的石料制成，并且保持着原有的形状和比例。站姿雕塑的身体与胳膊之间、两腿之间的石料或者是坐姿石像的大腿与座位之间的石料通常不会去掉。从实际的外形来看通常石像会在背部增加一个支撑柱已达到保护石像的外形以免出现断裂并且在心理上展现并且增强一种力量与权利的感觉。与之相比，木质雕像是把许多块木头钉在一起再进行雕刻而成的，金属雕塑是在木质的内里外涂上一层薄薄的金属，或是再用蜡抛光。手臂可以离开身体并且保持拿在手中的东西与手之间相隔离。它们也没有背部支柱。效果相比于石质雕塑更亮表述也更自如。但是因为都是用于相同的用途，木质的和金属的雕塑依旧
36、是正面描绘的表现形式。10. According to paragraph 3, which of the following statements about wooden statues is true?10. 如果以wooden statues做关键词，可能需要大量阅读，所以用排除法。A的larger错，原文没说二者谁大谁小；根据wooden statues所在的那句话证明B错，因为原文说木质雕塑是由多块拼接而成的；C错，原文说metal的是由wooden的核包了外皮做的，没说wooden的就有金属外皮；D对，stone的effect是第三句说的a sense of strength a
37、nd power，而wooden的effect是最后一句说的lighter and freer，所以不同，而且by contrast也说明两者是对照关系 Wooden statues were usually larger than stone statues. Wooden statues were made from a single piece of wood. Wooden statues contained pieces of metal or stone attached to the front. Wooden statues had a different effect on
38、the viewer than stone statues.8, Beyond that, the triumph of recorded sound has overshadowed the rich diversity of technological and aesthetic experiments with the visual image that were going forward simultaneously同时 in the 1920s. New color processes, larger or differently shaped screen sizes, mult
39、iple-screen projections, even television, were among the developments invented or tried out during the period, sometimes with startling success. The high costs of converting to sound and the early limitations of sound technology were among the factors that suppressed innovations or retarded advancem
40、ent in these other areas. The introduction of new screen formats was put off for a quarter century, and color, though utilized over the next two decades for special productions, also did not become a norm until the 1950s.除此之外，录音的辉煌还是使20世纪20年代同时百家争鸣的视觉影像方面的技术和审美实验的进步相形见绌。在这期间充斥着新技术的发明或者提出，有一些甚至取得了成功，
41、新的色彩处理，更大的和不同尺寸的屏幕，多屏放映的设计，甚至是电视。声音转化的高成本和早期声音技术的局限成为了抑制或妨碍了这些发明的在其所在领域的优势。新型屏幕设计的引进被推迟了25年，彩色，在接下来的20年除了用于特殊生产外，一直到1950年都还不是标准。7. According to paragraph 3, which of the following is NOT true of the technological and aesthetic experiments of the 1920s?7. EXCEPT题，排除法。A的cost定位至倒数第二句，但high和low是反的，所以A错，
42、选；B的other technological innovation定位至第一句，正确，不选；C的color和screen定位至第二句，正确，不选；D的1950s定位至最后一句话，正确，不选 Because the costs of introducing recorded sound were low, it was the only innovation that was put to use inthe1920s. The introduction of recorded sound prevented the development of other technological inn
43、ovations in the 1920s The new technological and aesthetic developments of the 1920s included the use of color, new screen formats, and television. Many of the innovations developed in the 1920s were not widely introduced until as late as the 1950s.9, Nomadism has further consequences. It means that
44、pastoralist societies occupy and can influence very large territories. This is particularly true of the horse pastoralism that emerged in the Inner Eurasian steppes, for this was the most mobile of all major forms of pastoralism So, it is no accident that with the appearance of pastoralist societies
45、 there appear large areas that share similar cultural, ecological, and even linguistic features. By the late fourth millennium B.C., there is already evidence of large culture zones reaching from Eastem Europe to the western borders of Mongolia. Perhaps the most striking sign of mobility is the fact
46、 that by the third millennium B.C., most pastoralists in this huge region spoke related languages ancestral to the modem Indo-European languages. The remarkable mobility and range of pastoral societies explain, in part, why so many linguists have argued that the Indo-European languages began their a
47、stonishing expansionist career not among farmers in Anatolia (present-day Turkey), but among early pastoralists from Inner Eurasia. Such theories imply that the Indo-European languages evolved not in Neolithic (10,000 to 3,000 B.C.) Anatolia, but among the foraging communities of the cultures in the
48、 region of the Don and Dnieper rivers, which took up stock breeding and began to exploit the neighboring steppes. Nomadism also subjects pastoralist communities to strict rules of portability. If you are constantly on the move, you cannot afford to accumulate large material surpluses. Such rules limit variations in accumulated material goods between pastoralist households (though they may also encourage a taste for portable goods of high value such as silks or jewelry). So, by and large, nomadism implies a high degree of self-sufficiency and inhibits the appearance of an extensive division o