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重载的流运算符函数经常定义为类的 【14】 函数。
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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.
In 1975 the Congress of the United States passed the Education of All Handicapped Children Act, a (1) document in special education that has since (2) numerous amendments. A 1990 amendment renamed the law the Individuals with Disabilities Education Act (IDEA). IDEA requires public schools (3) a free and appropriate education to all disabled children. The law also requires that all children with disabilities between the ages of 3 and 21 receive support services, such as (4) or physical therapy, (5) the type or seriousness of their disability. (6) the provisions of IDEA, schools must (7) all children with disabilities. To do this school officials provide each child with a comprehensive (8) conducted by teachers, the parents, and appropriate specialists, such as children with speech difficulties. IDEA also requires schools to give parents the opportunity to assist in the development and (9) of their child’s education plan. The plan specifies goals for the student’s education, methods to achieve those goals, and services to be provided. Each student’s education plan is reviewed (10) . To the maximum extent appropriate, a child with a disability must be educated with children who do not have disabilities. In addition, IDEA requires that older children with disabilities receive transition services to assist in the change from school to adult activities, (11) employment, continuing education, and finding a place to live. IDEA provides federal financial support for schools to develop special education programs. Other federal laws prohibit discrimination (12) disability. Section 504 of the Act of 1973 (13) discrimination against individuals with disabilities in public schools and any other federally supported programs. The Americans with Disabilities Act of 1990 ensures (14) for individuals with disabilities in all (15) life, including education, the workplace, transportation, and telecommunications.
具有相同函数名不同参数表的函数称为 【6】 。
Metropolitan Museum of Art is located in New York City. It is one of the largest and most (1) art museums in the world. In 1866 a group of Americans in Paris, France, gathered at a restaurant to (2) the American Independence Day. After dinner, John Jay, a (3) lawyer gave a speech proposing to create a "national institution and gallery of art. " During the next four years, he (4) American civic leaders, art collectors, and others to support the project, and in 1870 the Metropolitan Museum of Art was founded, but it was (5) in two different locations in New York City. In 1880 the museum moved to its present location in Central Park on Fifth Avenue. Many additions have (6) been built around this building. The north and south (7) were completed in 1911 and 1913, (8) Six additional wings have been built since 1975 to house the museum’s (9) collections, to expand gallery space and educational (10) . The museum has collected more than three million objects in every known artistic (11) , representing cultures from every part of the world, from ancient times to the present. Popularly known as the Met, the museum is a private (12) . The museum is one of the most popular tourist (13) in the city and about five million people visit it each year. It is also a major educational institution, offering various programs for children and adults. (14) , scholars of archeology and art history (15) advanced research projects at the museum.
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