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1、本文檔如對你有幫助，請幫忙下載支持！Which of the following best expresses the essential information in the highlighted sentence? Incorrect answer choices change the meaning in important ways or leave out essential information.Since the laws of physics, not some arbitrary decision, have determined the general form of

2、applied-art objects, they follow basic patterns, so much so that functional forms can vary only within certain limits.Functional applied-art objects cannot vary much from the basic patterns determined by the laws of physics.The function of applied-art objects is determined by basic patterns in the l

3、aws of physics.Since functional applied-art objects vary only within certain limits, arbitrary decisions cannot have determined their general form.The general form of applied-art objects is limited by some arbitrary decision that is not determined by the laws of physics.The structure of the backbone

4、 shows, however, that Ambulocetus swam like modern whales by moving the rear portion of its body up and down, even though a fluke was missing.Even though Ambulocetus swam by moving its body up and down, it did not have a backbone.The backbone of Ambulocetus, which allowed it to swim, provides eviden

5、ce of its missing fluke.Although Ambulocetus had no fluke, its backbone structure shows that it swam like modern whales.By moving the rear parts of their bodies up and down, modern whales swim in a different way from the way Ambulocetus swam.The extreme seriousness of desertification results from th

6、e vast areas of land and the tremendous numbers of people affected, as well as from the great difficulty of reversing or even slowing the process.Desertification is a significant problem because it is so hard to reverse and affects large areas of land and great numbers of people.Slowing down the pro

7、cess of desertification is difficult because of population growth that has spread over large areas of land.本文檔如對你有幫助，請幫忙下載支持！The spread of deserts is considered a very serious problem that can be solved only if large numbers of people in various countries are involved in the effort.Desertification i

8、s extremely hard to reverse unless the population is reduced in the vast areas affected.He refused to develop projection technology, reasoning that if he made and sold projectors, then exhibitors would purchase only one machine-a projector-from him instead of several.Edison was more interested in de

9、veloping a variety of machines than in developing a technology based on only one.Edison refused to work on projection technology because he did not think exhibitors would replace their projectors with newer machines.Edison did not want to develop projection technology because it limited the number o

10、f machines he could sell.Edison would not develop projection technology unless exhibitors agreed to purchase more than one projector from him.For example, people who believe that aggression is necessary and justified-as during wartime-are likely to act aggressively, whereas people who believe that a

11、 particular war or act of aggression is unjust, or who think that aggression is never justified, are less likely to behave aggressively.People who believe that they are fighting a just war act aggressively while those who believe that they are fighting an unjust war do not.People who believe that ag

12、gression is necessary and justified are more likely to act aggressively than those who believe differently.People who normally do not believe that aggression is necessary and justified may act aggressively during wartime.People who believe that aggression is necessary and justified do not necessaril

13、y act aggressively during wartime.Apprentices were considered part of the family, and masters were responsible not only for teaching their apprentices a trade but also for providing them some education and for supervising their moral behavior.Masters demanded moral behavior from apprentices but ofte

14、n treated them irresponsibly.本文檔如對你有幫助，請幫忙下載支持！The responsibilities of the master to the apprentice went beyond the teaching of a trade.Masters preferred to maintain the trade within the family by supervising and educating the younger family members.Masters who trained members of their own family as

15、 apprentices demanded excellence from them.One potential problem is that opening the mouth to breathe detracts from the streamlining of these fishes and tends to slow them down.These fishes often have a problem opening their mouths while swimming.The streamlining of these fishes prevents them from s

16、lowing down.The streamlining of these fishes tends to slow down their breathing.Opening the mouth to breathe can reduce the speed of these fishes.Hills and mountains are often regarded as the epitome of permanence, successfully resisting the destructive forces of nature, but in fact they tend to be

17、relatively short-lived in geological terms.When they are relatively young, hills and mountains successfully resist the destructive forces of nature.Although they seem permanent, hills and mountains exist for a relatively short period of geological time.Hills and mountains successfully resist the des

18、tructive forces of nature, but only for a short time.Hills and mountains resist the destructive forces of nature better than other types of landforms.The Whigs were strongest in the towns, cities, and those rural areas that were fully integrated into the market economy, whereas Democrats dominated a

19、reas of semisubsistence farming that were more isolated and languishing economically.Whigs were able to attract support only in the wealthiest parts of the economy because Democrats dominated in other areas.Whig and Democratic areas of influence were naturally split between urban and rural areas, re

20、spectively.本文檔如對你有幫助，請幫忙下載支持！The semisubsistence farming areas dominated by Democrats became increasingly isolated by the Whigs control of the market economy.The Democrats power was greatest in poorer areas while the Whigs were strongest in those areas where the market was already fully operating.10

21、. The Fore also displayed familiar facial expressions when asked how they would respond if they were the characters in stories 【that called for basic emotional responses】.The Fores facial expressions indicated their unwillingness to pretend to be story characters.The Fore were asked to display famil

22、iar facial expressions when they told their stories.The Fore exhibited the same relationship of facial expressions and basic emotions 【that is seen in Western culture 】 when they acted out stories.The Fore were familiar with the facial expressions and basic emotions of characters in stories.【 Althou

23、gh her early theatrical career had included stints as an actress,】 shewas not primarily interested in storytelling or expressing emotions through dance; the drama of her dancing emanated from her visual effects.Fuller was more interested in dance s visual impact tshannarrativein oremotional possibil

24、ities.Fuller used visual effects to dramatize the stories and emotions expressed inher work.強加關(guān)系Fuller believed that the drama of her dancing sprang from her emotional style of storytelling.Fuller s focus on theisualv effects of dance resulted from her early theatrical training as an actress.One exp

25、lanation for green icebergs attributes their color to an optical illusion 【 when blue ice is illuminated by a near-horizon red Sun 】 , but green icebergsstand out among white and blue icebergs 【 under a great variety of light本文檔如對你有幫助，請幫忙下載支持！conditions】.一個對于綠色冰山的解釋把它們的顏色歸因為一個當(dāng)藍色的冰被接近地平線的紅太陽照亮?xí)r產(chǎn)生的光學(xué)

26、錯覺； 但綠色冰山在多種多樣的光線條件下都會在白色和藍色冰山中間凸顯出來。One explanation notes that green icebergs stand out among other icebergs under a great variety of light conditions, but this is attributed to an optical illusion.One explanation for the color of green icebergs attributes their color to an optical illusion that oc

27、curs when the light from a near-horizon red Sun shines on a blue iceberg. incompleteOne explanation for green icebergs attributes their color to a great variety of light conditions, but green icebergs stand out best among other icebergs when illuminated by a near-horizon red Sun.One explanation attr

28、ibutes the color of green icebergs to an optical illusion under special light conditions, but green icebergs appear distinct from other icebergs under a great variety of light conditions.Earth is a target in a cosmic shooting gallery, subject to random violent events that were unsuspected a few deca

29、des ago.Until recently, nobody realized that Earth is exposed to unpredictable violent impacts from space.In the last few decades, the risk of a random violent impact from space has increased.Since most violent events on Earth occur randomly, nobody can predict when or where they will happen.A few d

30、ecades ago, Earth became the target of random violent events originating in outer space.Large wind farms might also interfere with the flight patterns of migratory birdsin certain areas, and they have killed large birds of prey (especially hawks, falcons, and eagles) that prefer to hunt along the sa

31、me ridge lines that are ideal for wind turbines.Hawks, falcons, and eagles prefer to hunt along ridge lines, where wind turbines can kill large numbers of migratory birds.Wind turbinesoccasionally cause migratory birds tochange theirflight本文檔如對你有幫助，請幫忙下載支持！patterns and therefore may interfere with t

32、he areas where birds of prey prefer to hunt.Some of the best locations for large wind farms are places that may cause problems for migrating birds and birds of prey.Large wind farms in certain areas kill hawks, falcons, and eagles and thus might create a more ideal path for the flight of migratory b

33、irds.These plants(Dandelions) are termed opportunists because they rely on their seeds falling into settings where competing plants have been removed by natural processes, 【such as along an eroding riverbank, on landslips, or where a】tree falls and creates a gap in the forest canopy.Because their se

34、eds grow in places where competing plants are no longer present, dandelions are classified as opportunists.Dandelions are called opportunists because they contribute to the natural processes of erosion and the creation of gaps in the forest canopy.The term opportunists apply to plants whose seeds fa

35、ll in places where they can compete with the seeds of other plants.The term opportunists apply to plants whose falling seeds are removed by natural processes.If the pores are large, the water in them will exist as drops too heavy for surface tension to hold, and it will drain away; but if the pores

36、are small enough, the water in them will exist as thin films, too light to overcome the force of surface tension holding them in place; then the water will be firmly held.Surface tension is not strong enough to retain drops of water in rocks with large pores but it strong enough to hold on to thin f

37、ilms of water in rocks with small pores.Water in rocks is held in place by large pores and drains away from small size pores through surface tension.Small pores and large pores both interact with surface tension to determine whether a rock will hold water as heavy drops or as a thin film.If the forc

38、e of surface tension is too weak to hold water in place as heavy drops, the water will continue to be held firmly in place as a thin film when largeShelter, cover本文檔如對你有幫助，請幫忙下載支持！pores exist.For example, some early societies ceased to consider certain rites essential to their well-being and abandon

39、ed them, nevertheless, they retained as parts of their oral tradition the myths that had grown up around the rites and admired them for their artistic qualities rather than for their religious usefulness.A society rites were more likely to be retained in the oral tradition if its myths were admired

40、for artistic qualities.The artistic quality of a myth was sometimes an essential reason for a society to abandon it from the oral tradition.Some early societies stopped using myths in their religious practices when rites ceased to be seen as useful for social well-being.Myths sometimes survived in a

41、 society traditions because of their artistic qualities even after they were no longer deemed religiously beneficial.Wind velocity also increases with altitude and may cause serious stress for trees, as is made evident by the deformed shapes at high altitudes.Because of their deformed shapes at high

42、 altitudes, trees are not likely to be seriously harmed by the strong winds typical of those altitudes.As altitude increases, the velocity of winds increase, leading to a serious decrease in the number of trees found at high altitudes.The deformed shapes of trees at high altitudes show that wind vel

43、ocity, which increase with altitude, can cause serious hardship for trees.Increased wind velocity at high altitudes deforms the shapes of trees, and this may cause serious stress for trees.In order for the structure to achieve the size and strength necessary to meet its purpose, architecture employs

44、 methods of support that, because they are based on physical laws, have changed little since people first discovered them-even while building materials have changed dramatically.Unchanging physical laws have limited the size and strength of buildings that can be made with materials discovered long a

45、go.Building materials have changed in order to increase architectural size and strength, but physical laws of structure have not changed.When people first started to build, the structural methods used to provide本文檔如對你有幫助，請幫忙下載支持！strength and size were inadequate because they were not based on physic

46、al laws.Unlike building materials, the methods of support used in architecture have not changed over time because they are based on physical laws.Estimates indicate that the aquifer contains enough water to fill Lake Huron, but unfortunately, under the semiarid climatic conditions that presently exi

47、st in the region, rates of addition to the aquifer are minimal, amounting to about half a centimeter a year.Despite the current impressive size of the Ogallala aquifer, the region s climate keeps the rates of water addition very small.Although the aquifer has been adding water at the rate of only ha

48、lf a centimeter a year, it will eventually accumulate enough water of fill Lake Huron.Because of the region s present climatic conditions, water is being eachadded year to the aquifer.Even when the region experiences unfortunate climatic conditions, the rates of addition of water continue to increas

49、e.21. Many ecologists now thinkthatthe relative long-termstabilityof climax“2 ”communities comes not fromdiversity butfrom thepatchinessof theenvironment, an environment that varies from place to place supports morekinds of organisms than an environment that is uniform.Ecologists now think that the

50、stability of an environment is a result of diversity rather than patchiness.Patchy environments that vary from place to place do not often have high species diversity.Uniform environments cannot be climax communities because they do not support as many types of organisms as patchy environments.A pat

51、chy environment is thought to increase stability because it is able to support a wide variety of organisms.Perhaps, like many contemporary peoples, Upper Paleolithic men and women believed that the drawing of a human image could cause death of injury, and if that were indeed their belief, it might e

52、xplain why human figures are rarely depicted in cave art.(1) : marked by, consisting of, or diversified with patches. (2) : irregular in appearance, makeup, or quality.本文檔如對你有幫助，請幫忙下載支持！Upper Paleolithic people, like many contemporary peoples, believed that if they drew a human image in their cave a

53、rt, it would cause death or injury.Many contemporary people believe that the drawing of a human image can cause death or injury, so they, like Upper Paleolithic people, rarely depicted human figures in their cave art.If Upper Paleolithic people, like many contemporary peoples, believed that the draw

54、ing of a human image could cause death or injury, this belief might explain why human figures are rarely depicted in cave art.Although many contemporary peoples believe that the drawing of a human image can cause death or injury, researchers cannot explain why Upper Paleolithic people rarely depicte

55、d human figures in their cave art.In addition to finding an increase of suitable browse, like huckleberry and vine maple, Arthur Einarsen, longtime game biologist in the Pacific Northwest, found quality of browse in the open areas to be substantially more nutritive.Arthur Einarsen longtimes family w

56、ith the Pacific Northwest helped him discover areas where deer had an increase in suitable browse.Arthur Einarsen found that deforested feeding grounds provided deer with more and better food.Biologist like Einarsen believe it is important to find additional open areas with suitable browse for deer

57、to inhabit.According to Einarsen, huckleberry and vine maple are examples of vegetation that may someday improve the nutrition of deer in the open areas of the Pacific Northwest.Continued sedimentation the process of deposits settling on the sea bottom buries the organic matter and subjects it to hi

58、gher temperatures and pressures, which convert the organic matter to oil and gas.Higher temperatures and pressures promote sedimentation, which is responsible for petroleum formation.Deposits of sediments on top of organic matter increase the temperature of and pressure on the matter.Increase pressu

59、re and heat from the weight of the sediment turn the organic remains into petroleum.The remains of microscopic organisms transform into petroleum once they are本文檔如對你有幫助，請幫忙下載支持！buried under mud.This scenario begins with the planting of hyper accumulating species in the target area, (such as an aband

60、oned mine or an irrigation pond contaminated by runoff.)Before considering phytoremediation, hyper accumulating species of plants local to the target area must be identified.The investigation begins with an evaluation of toxic sites in the target area to determine the extent of contamination.The fir