1、1Agriculture, Iron, and the Bantu PeoplesParagraph 5: Unlike in the Americas, where metallurgy was a very late and limited development, Africans had iron from a relatively early date, developing ingenious furnaces to produce the high heat needed for production and to control the amount of air that r
2、eached the carbon and iron ore necessary for making iron. Much of Africa moved right into the Iron Age, taking the basic technology and adapting it to local conditions and resources.10. Which of the sentences below best expresses the essential information in the highlighted sentence in the passage?
3、Incorrect choices change the meaning in important ways or leave out essential information.While American iron makers developed the latest furnaces, African iron makers continued using earlier techniques.Africans produced iron much earlier than Americans, inventing technologically sophisticated heati
4、ng systems.Iron making developed earlier in Africa than in the Americas because of the ready availability of carbon and iron ore.Both Africa and the Americas developed the capacity for making iron early, but African metallurgy developed at a slower rate.2Running Water on Mars?Paragraph 4: These idea
5、s remain controversial. Proponents point to features such as the terraced “beaches” shown in one image, which could conceivably have been left behind as a lake or ocean evaporated and the shoreline receded. But detractors maintain that the terraces could also have been created by geological activity
6、, perhaps related to the geologic forces that depressed the Northern Hemisphere far below the level of the south, in which case they have nothing whatever to do with Martian water. Furthermore, Mars Global Surveyor data released in 2003 seem to indicate that the Martian surface contains too few carb
7、onate rock layerslayers containing compounds of carbon and oxygenthat should have been formed in abundance in an ancient ocean. Their absence supports the picture of a cold, dry Mars that never experienced the extended mild period required to form lakes and oceans. However, more recent data imply th
8、at at least some parts of the planet did in fact experience long periods in the past during which liquid water existed on the surface.9. Which of the sentences below best expresses the essential information in the highlighted sentence in the passage? Incorrect choices change the meaning in important
9、 ways or leave out essential information.But detractors argue that geological activity may be responsible for the water associated with the terraces.But detractors argue that the terraces may have been formed by geological activity rather than by the presence of water.But detractors argue that the t
10、erraces may be related to geological forces in the Northern Hemisphere of Mars, rather than to Martian water in the south.But detractors argue that geological forces depressed the Northern Hemisphere so far below the level of the south that the terraces could not have been formed by water.3The Arriv
11、al of Plant Life in HawaiiParagraph 2: Spores light enough to float on the breezes were carried thousands of miles from more ancient lands and deposited at random across the bare mountain flanks. A few of these spores found a toehold on the dark, forbidding rocks and grew and began to work their tra
12、nsformation upon the land. Lichens were probably the first successful flora. These are not single individual plants; each one is a symbiotic combination of an alga and a fungus. The algae capture the suns energy by photosynthesis and store it in organic molecules. The fungi absorb moisture and miner
13、al salts from the rocks, passing these on in waste products that nourish algae. It is significant that the earliest living thing that built communities on these islands are examples of symbiosis, a phenomenon that depends upon the close cooperation of two or more forms of life and a principle that i
14、s very important in island communities. 3. Which of the sentences below best expresses the essential information in the highlighted sentence in the passage? Incorrect choices change the meaning in important ways or leave out essential information. Some of the earliest important examples of symbiosis
15、the close cooperation of two or more living thingsoccur in island communities. Symbiosisthe close cooperation of pairs or small groups of living organismsis especially important in these island environments.The first organisms on these islands worked together closely in a relationship known as symbi
16、osis, which is particularly important on islands.It is significant to note that organisms in the beginning stages of the development of island life cannot survive without close cooperation.4Chinese PotteryParagraph 3: The earliest ceramics were fired to earthenware temperatures, but as early as the
17、fifteenth century B.C., high-temperature stonewares were being made with glazed surfaces. During the Six Dynasties period (AD 265-589), kilns in north China were producing high-fired ceramics of good quality. Whitewares produced in Hebei and Henan provinces from the seventh to the tenth centuries ev
18、olved into the highly prized porcelains of the Song dynasty (AD. 960-1279), long regarded as one of the high points in the history of Chinas ceramic industry. The tradition of religious sculpture extends over most historical periods but is less clearly delineated than that of stonewares or porcelain
19、s, for it embraces the old custom of earthenware burial ceramics with later religious images and architectural ornament. Ceramic products also include lead-glazed tomb models of the Han dynasty, three-color lead-glazed vessels and figures of the Tang dynasty, and Ming three-color temple ornaments, i
20、n which the motifs were outlined in a raised trail of slipas well as the many burial ceramics produced in imitation of vessels made in materials of higher intrinsic value.4. Which of the sentences below best expresses the essential information in the highlighted sentence in the passage? Incorrect ch
21、oices change the meaning in important ways or leave out essential information. While stonewares and porcelains are found throughout most historical periods, religious sculpture is limited to the ancient period. Religious sculpture was created in most periods, but its history is less clear than that
22、of stonewares or porcelains because some old forms continued to be used even when new ones were developed. While stonewares and porcelains changed throughout history, religious sculpture remained uniform in form and use. The historical development of religious sculpture is relatively unclear because
23、 religious sculptures sometimes resemble earthenware architectural ornaments.5The Geologic History of the MediterraneanParagraph 2 Another task for the Glomar Challengers scientists was to try to determine the origin of the domelike masses buried deep beneath the Mediterranean seafloor. These struct
24、ures had been detected years earlier by echo-sounding instruments, but they had never been penetrated in the course of drilling. Were they salt domes such as are common along the United States Gulf Coast, and if so, why should there have been so much solid crystalline salt beneath the floor of the M
25、editerranean? 12. Look at the four squares that indicate where the following sentence could be added to the passage.Thus, scientists had information about the shape of the domes but not about their chemical composition and origin.Where would the sentence best fit?6Ancient Rome and GreeceParagraph 4:
26、 Modern attitudes to Roman civilization range from the infinitely impressed to the thoroughly disgusted. As always, there are the power worshippers, especially among historians, who are predisposed to admire whatever is strong, who feel more attracted to the might of Rome than to the subtlety of Gre
27、ece. At the same time, there is a solid body of opinion that dislikes Rome. For many, Rome is at best the imitator and the continuator of Greece on a larger scale. Greek civilization had quality; Rome, mere quantity. Greece was original; Rome, derivative. Greece had style; Rome had money. Greece was
28、 the inventor; Rome, the research and development division. Such indeed was the opinion of some of the more intellectual Romans. “Had the Greeks held novelty in such disdain as we,” asked Horace in his epistle, “what work of ancient date would now exist?”13. Look at the four squares that indicate wh
29、ere the following sentence could be added to the passage.They esteem symbols of Roman power, such as the massive Colosseum.Where would the sentence best fit?7Agriculture, Iron, and the Bantu PeoplesParagraph 6: The diffusion of agriculture and later of iron was accompanied by a great movement of peo
30、ple who may have carried these innovations. These people probably originated in eastern Nigeria. Their migration may have been set in motion by an increase in population caused by a movement of peoples fleeing the desiccation, or drying up, of the Sahara. They spoke a language, proto-Bantu (“Bantu”
31、means “the people”), which is the parent tongue of a language of a large number of Bantu languages still spoken throughout sub-Sahara Africa. Why and how these people spread out into central and southern Africa remains a mystery, but archaeologists believe that their iron weapons allowed them to con
32、quer their hunting-gathering opponents, who still used stone implements. Still, the process is uncertain, and peaceful migrationor simply rapid demographic growthmay have also caused the Bantu explosion. 13. Look at the four squares that indicate where the following sentence could be added to the pa
33、ssage.These people had a significant linguistic impact on the continent as well.Where would the sentence best fit?8The Rise of TeotihuacnParagraph 1: The city of Teotihuacn, which lay about 50 kilometers northeast of modern-day Mexico City, began its growth by 200-100 B.C. At its height, between abo
34、ut A.D. 150 and 700, it probably had a population of more than 125,000 people and covered at least 20 square kilometers. It had over 2,000 apartment complexes, a great market, a large number of industrial workshops, an administrative center, a number of massive religious edifices, and a regular grid
35、 pattern of streets and buildings. Clearly, much planning and central control were involved in the expansion and ordering of this great metropolis. Moreover, the city had economic and perhaps religious contacts with most parts of Mesoamerica (modern Central America and Mexico). 13. Look at the four squares that indicate where the following sentence could be added to the passage.In fact, artifacts and pottery from Teotihuacn have been discovered in sites as far away as the Mayan lowlands, the Guatemalan highlands, northern Mexico, and the Gulf Coast of Mexico.Where would the sentence best fit?
