1、s. It was eventually to be overtaken by a new school of thought known as Functionalism that had been present since the turn of the century.overtaken(A) surpassed(B) inclined(C) expressed(D) applied004. During most of their lives, surge glaciers behave like normal glaciers, traveling perhaps only a c
2、ouple of inches per day. However, at intervals of 10 to 100 years, these glaciers move forward up to 100 times faster than usual.intervals(A) records(B) speeds(C) distances(D) periods005. The increasing water pressure under the glacier might lift it off its bed, overcoming the friction between ice a
3、nd rock, thus freeing the glacier, which rapidly sliders downhill surge glaciers also might be influenced by the climate, volcanic heat, or earthquakes.freeing(A) pushing(B) releasing(C) strengthening(D) draining006. A flood of ice would then surge into the Southern Sea. With the continued rise in s
4、ea level, more ice would plunge into the ocean, causing sea levels to rise even higher, which in turn would release more ice and set in motion a vicious cycle. plunge(A) drop(B) extend(C) melt(D) drift007. Group members look to instrumental leaders to get things done. Expressive leadership, on the o
5、ther hand, is leadership that emphasizes the collective well-being of a social groups members.collective(A) necessary(B) typical(C) group(D) particular008. They offer sympathy when someone experiences difficulties or is subjected to discipline, are quick to lighten a serious moment with humor, and t
6、ry to resolve issues that threaten to divide the group.resolve(A) avoid repeating(B) talk about(C) avoid thinking about(D) find a solution for009. Thousands of tons were extracted before 1875, when it was first noticed that the tar contained fossil remains. Major excavations were undertaken that est
7、ablished the significance of this remarkable site.noticed(A) predicted(B) announced(C) corrected(D) observed010. Since then, over 100 tons of fossils, 1.5 million from vertebrates, 2.5 million from invertebrates, have been recovered, often in densely concentrated tangled masses. tangled(A) buried be
8、neath(B) twisted together(C) quickly formed(D) easily dated011. The asphalt at La Brea seeps to the surface, especially in the summer, and forms shallow puddles that would often have been concealed by leaves and dust.concealed(A) highlighted(B) covered(C) transformed(D) contaminated012. The ocean bo
9、ttom - a region nearly 2. 5 times greater than the total land area of the Earth - is a vast frontier that even today is largely unexplored and uncharted, until about a century ago, the deep-ocean floor was completely inaccessible, hidden beneath waters averaging over 3,600 meters deep.inaccessible(A
10、) unrecognizable(B) unreachable(C) unusable(D) unsafe013. The DSDPs drill ship, the Glomar Challenger, was able to maintain a steady position on the oceans surface and drill in very deep waters, extracting samples of sediments and rock from the ocean floor.extracting(A) breaking(B) locating(C) remov
11、ing(D) analyzing014. Today, largely on the strength of evidence gathered during the Glomar Challengers voyages, nearly all earth scientists agree on the theories of plate tectonics and continental drift that explain many of the geological processes that shape the Earth.strength(A) basis(B) purpose(C
12、) discovery(D) endurance015. For every three Canadians in 1945, there were over five in 1966. In September 1966 Canadas population passed the 20 million mark. Most of this surging growth came from natural increase. surging(A) new(B) extra(C) accelerating(D) surprising016. When the prairies were bein
13、g settled, undoubtedly, the good economic conditions of the 1950s supported a growth in the population, but the expansion also derived from a trend toward earlier marriages and an increase in the average size of families. trend(A) tendency(B) aim(C) growth(D) directive017. After the peak year of 195
14、7, the birth rate in Canada began to decline. It continued falling until in 1966, it stood at the lowest level in 25 years.peak(A) pointed(B) dismal(C) mountain(D) maximum018. Although the growth in Canadas population had slowed down by 1966 (the increase the first half of the 1960s was only nine pe
15、rcent) , another large population wave was coming over the horizon. It would be composed of the children who were born during the period of the high birth rate prior to 1957.The phrase prior to(A) behind(B) since(C) during(D) preceding019. Advocates of organic foods - a term whose meaning varies gre
16、atly - frequently proclaim that such products are safer and more nutritious than others.Advocates(A) Proponents(B) Merchants(C) Inspectors(D) Consumers020. There are numerous unsubstantiated reports that natural vitamins are superior to synthetic ones, that fertilized eggs are nutritionally superior
17、 to unfertilized eggs, that untreated grains are better than fumigated grains, and the like.unsubstantiated(A) unbelievable(B) uncontested(C) unpopular(D) unverified021. But in many cases consumers are misled if they believe organic foods can maintain health and provide better nutritional quality th
18、an conventionally grown foods. So there is real cause for concern if consumers, particularly those with limited incomes, distrust the regular food supply and buy only expensive organic foods instead.maintain(A) improve(B) monitor(C) preserve(D) restore022. In addition, there were performers and sinc
19、e considerable importance was attached to avoiding mistakes in the enactment of rites, religious leaders usually assumed that task.considerable(A) thoughtful(B) substantial(C) relational(D) ceremonial023. In addition, there were performers and since considerable importance was attached to avoiding m
20、istakes in the enactment of rites, religious leaders usually assumed that task.enactment(A) establishment(B) performance(C) authorization(D) season024. Staggering tasks confronted the people of the United States, North and South, when the Civil War ended. About a million and a half soldiers from bot
21、h sides had to be demobilized, readjusted to civilian life, and reabsorbed by the devastated economy. Staggering(A) specialized(B) confusing(C) various(D) overwhelming025. About a million and a half soldiers from both sides had to be demobilized, readjusted to civilian life, and reabsorbed by the de
22、vastated economy. devastated(A) developing(B) ruined(C) complicated(D) fragile026. Some botanists hypothesized that the living cells of plants acted as pumps. But many experiments demonstrated that the stems of plants in which all the cells are killed can still move water to appreciable heights.demo
23、nstrated(A) ignored(B) showed(C) disguised(D) distinguished027. As water is lost from the surface of the leaves, a negative pressure, or tension, is created. The evaporated water is replaced by water moving from inside the plant in unbroken columns that extend from the top of a plant to its roots. T
24、he same forces that create surface tension in any sample of water are responsible for the maintenance of these unbroken columns of water.extend(A) stretch(B) branch(C) increase(D) rotate028. By opening vast areas of unoccupied land for residential expansion, the omnibuses, horse railways, commuter trains, and electric trolleys pulled settled regions outward two to four times more distant from city centers than they were in the premodern era.vast(A) large(B) basic(C) n
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