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Ironically, in the United States, a country of immigrants, prejudice and discrimination continue to be serious problems. There was often (1) between each established group of (2) and each succeeding group. As each group became (3) financially successful, and more powerful, they (4) newcomers from full participation in the society. Prejudice and discrimination are (5) U.S. history, (6) , this prejudicial treatment of different groups is (7) more unjust than with black Americans. Blacks had distinct (8) . For the most part, they came to the "land of opportunity" as slaves and were not free to keep their (9) and cultural traditions. (10) most European immigrants, blacks did not have the protection of a support group; sometimes slave owners separated members of (11) family. They could not mix easily with the (12) society either because of their skin color. It was difficult for them to (13) the American culture. Even after they became flee people, they were still discriminated (14) in employment, housing, education, and even in public (15) , such as restrooms.
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A recent report on population trend conducted by the think (1) of the World watch Institute identifies signs of slowing growth in some countries. It says populations in 32 countries—all in the industrialized world—have stabilized because of declining birthrates. But in a handful of developing countries where population is slowing, the cause isn’t something to (2) , because more people are dying. This trend is called "population fatigue", and it’s beginning in many of the developing countries that have experienced (3) birthrates and sharp population growth for several decades. Governments in these countries are now having trouble dealing with feeding, housing and educating an increasing number of children, (4) at the same time confronting the falling water (5) , deforestation and soil erosion that rapid population growth brings. In these countries any new threat—infectious disease, drought or famine—can become a (6) crisis. AIDS is a case (7) . WHO estimates calculate that one-quarter of the adult population of Zimbabwe and Botswana are infected with the AIDS virus, (8) , these countries stands to lose at least one-quarter of their labor force in the next decade from AIDS alone, a situation (9) since the yellow fever swept through Europe in the 14’h century. Social unrest is also increasing in these countries. One example is the (10) conflict between the Tutsis and the Hutus in Rwanda, where population pressures reduced cropland (11) where it could no longer feed those who lived on it. Demands on the world fisheries and shared water resources are likely to spark similar conflicts. Already the waters of the Nile are so heavily used that little reaches the Mediterranean, so any increase in demand or (12) in allocation will also increase tensions. The bottom line is that human population growth is (13) to slow one way or the other. Developing societies will either recognize problems (14) the horizon and act to encourage smaller families — or unchecked births will have their (15) in rising death rates.
下面的类中定义了一个枚举类型，请完成下面的程序。 class Base public: enum Week Sum, Mon,Tue, Wed, Thu, Fri, Sat; Week a; void fun(Base &B) 【12】 = 【13】 ； //将对象的a赋值为所定义的枚举类型值为的枚举量
A recent report on population trend conducted by the think (1) of the World watch Institute identifies signs of slowing growth in some countries. It says populations in 32 countries—all in the industrialized world—have stabilized because of declining birthrates. But in a handful of developing countries where population is slowing, the cause isn’t something to (2) , because more people are dying. This trend is called "population fatigue", and it’s beginning in many of the developing countries that have experienced (3) birthrates and sharp population growth for several decades. Governments in these countries are now having trouble dealing with feeding, housing and educating an increasing number of children, (4) at the same time confronting the falling water (5) , deforestation and soil erosion that rapid population growth brings. In these countries any new threat—infectious disease, drought or famine—can become a (6) crisis. AIDS is a case (7) . WHO estimates calculate that one-quarter of the adult population of Zimbabwe and Botswana are infected with the AIDS virus, (8) , these countries stands to lose at least one-quarter of their labor force in the next decade from AIDS alone, a situation (9) since the yellow fever swept through Europe in the 14’h century. Social unrest is also increasing in these countries. One example is the (10) conflict between the Tutsis and the Hutus in Rwanda, where population pressures reduced cropland (11) where it could no longer feed those who lived on it. Demands on the world fisheries and shared water resources are likely to spark similar conflicts. Already the waters of the Nile are so heavily used that little reaches the Mediterranean, so any increase in demand or (12) in allocation will also increase tensions. The bottom line is that human population growth is (13) to slow one way or the other. Developing societies will either recognize problems (14) the horizon and act to encourage smaller families — or unchecked births will have their (15) in rising death rates.
Leo Tolstoy was a Russian writer and moral philosopher, and one of the world’s greatest novelists. He was born on April 30,1828 and died on Feb. 14, 1910. His writings (1) influenced much of 20th-century literature, and his moral (2) helped shape the thinking of several important (3) and political leaders. Leo Nikolayevich Tolstoy was born (4) a family of noble landowners at his family (5) south of Moscow. His early education came from tutors at home, but after the deaths of his parents in the 1830s, he was (6) by relatives. He entered Kazan’ University when he was 16 but preferred to educate himself independently, and in 1847 he (7) his studies without finishing his degree. His next 15 years were very (8) . Tolstoy returned to manage the family estate, with the determination to improve himself (9) and physically. Alter less than two years, however, he abandoned rural life (10) the pleasures of Moscow. In 1851 Tolstoy traveled to the Caucasus, a region then part of southern Russia, (11) his brother was serving in the army. He was (12) as a volunteer, serving with distinction in the Crimean War from 1853 to 1856. Tolstoy began his literary career during his army service, and his first work, the semiautobiographical short novel Childhood (13) was published in 1852, brought him fame. A series of other stories (14) , and when he left the army in 1856 he was acknowledged as a rising new talent in literature. Tolstoy achieved great literary fame during his lifetime, both in Russia and abroad. Thirty-one translations of his works (15) in the year 1887 alone. The most significant part of Tolstoy’s legacy may be his defense of the individual personality.
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