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序号 题目内容
858 Discussion of greenhouse effects have usually had as a focus the possibility of Earth growing warmer and to what extent it might, but climatologists have indicated all along that precipitation, storminess, and temperature extremes are likely to have the greatest impact on people.
859 In the seventh century B.C. the Roman alphabet was adapted from the Etruscan alphabet, which in turn had been adapted in the previous century from a western Greek alphabet, which itself had been adapted earlier in the same century from the Phoenician alphabet.
860 The foundation works to strengthen local and regional agricultural markets and cooperating with governments, improving access for farmers for productive resources such as land and credit.
861 A professor at the university has taken a sabbatical to research on James Baldwin's books that Baldwin wrote in France while he was living there.
862 When working with overseas clients, an understanding of cultural norms is at least as important as grasping the pivotal business issues for the global manager.
863 Often major economic shifts are so gradual as to be indistinguishable at first from ordinary fluctuations in the financial markets.
865 Although when a hagfish is threatened, it will secrete slime that is small in quantity, it expands several hundred times as it absorbs seawater, forming a slime ball that can coat the gills of predatory fish and either suffocate them or distress them enough to make them flee.
866 Officials at the United States Mint believe that the Sacagawea dollar coin will be used more as a substitute for four quarters rather than for the dollar bill because of its weight, only 8.1 grams, which is far less than four quarters, which weigh 5.67 grams each.
867 In the United States, less than half as many multifamily housing units were produced in the 1990s than in each of the previous two decades.
868 Educator Maria Montessori believed that students be allowed to choose from among a number of different lessons designed for the encouragement of their development as thinkers and creators with individual learning and thinking styles.
869 Analysts and media executives predict the coming year to be no less challenging than the previous one had been for the company`s C.E.O.
870 Scientists say that, by bathing the skin cells in extracts of immune cells, that human skin cells in a test tube are made to behave as if they were immune system cells.
871 Researchers now regard interferon as not a single substance, but it is rather a biological family of complex molecules that play an important, though not entirely defined, role in the immune system.
872 The remarkable similarity of Thule artifacts throughout a vast region can, in part, be explained as a very rapid movement of people from one end of North America to the other.
873 Regulators are likely to end what are, in effect, long-standing exemptions permitting pilots of small turboprop aircraft at small carriers to fly as much as 20 percent more hours per month than pilots at larger airlines fly, with the consequence that some carriers could be forced to hire additional pilots.
874 Self-compassion is made up of mindfulness, the ability to manage thoughts and emotions without being carried away or repressing them, common humanity, or empathy with the suffering of others, and self-kindness, a recognition of your own suffering and a commitment to solving the problem.
875 According to the laws of this nation, individuals are minors until they reach the age of eighteen, although this is less in some countries and more in others.
876 Rather than ignore a company that seems about to fail, investment analysts should recognize that its reorganization and recent uptick in revenue, combined with its dynamic new leadership, indicate that the firm`s prospects must be taken seriously.
877 Between 14,000 and 8,000 B.C. the ice cap that covered northern Asia, Europe, and America began to melt, uncovering vast new areas that were to be occupied by migrating peoples moving northward.
878 Because property values sometimes fluctuate in response to economic conditions beyond the purchaser's control, an investment in a home may underperform when compared to that of other widely available classes of investments.

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