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A．Their food is less nutrient.B．They do not have enough money to go to hospital.C．They
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A．To know whether they read the book or whether they understand the book.B．As a common
A．Telling jokes.B．Staying late after class.C．Falling asleep during class.D．Eating in t
City officials solved the problem in a unique way. They decided to use the many scientific mad cultural institutions in the city as the classrooms. Experts who worked in the various institutions would be the teachers. About 100 institutions in Philadelphia — public, private, and commercial — helped the program.
The experiment in institutions in education, known as the Parkway Program, began in February 1969. John Bremer, an Englishman and an innovator in the field of education, planned the program and became its director.
The Program has grown in size from 142 to 500 high school students end is so popular that thousands of applicants are denied places each year. The program gives a freedom to high school education never known before. Besides basic courses required for a diploma — languages, history, science — students may choose from more than one hundred other courses. Any subject will be offered if an instructor can be found. Every group of 15 buys and girls belongs to a "tutorial group", led by a teacher and one assistant. Students in the Program say that school is no longer a place but an interesting activity.
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听力原文：Watches, which ore really small clocks, were first made during the sixteenth century. The earliest watches were made of heavy iron, and people wore them hanging from their belts. Little by little, watches were made smaller so that they could be carried more easily. The invention of the machinery for the mass production of these parts of clocks and watches was an important step in making clocks and watches available to the general public. In some watches, small pieces of precious stones, such as rubies or sapphires, are used at the points on which the wheels mm. Since these stones are very hard, they do not wear down very easily under the friction of the moving wheels. Thus a watch utilizing such stones will keep accurate time over a much longer period than other watches.
Some modern watches can measure very small fractions of time. These watches ore useful in timing athletic events. When a button is pressed on these watches, a special second hand begins to move. This type of watch can also be used to count a patient's pulse. It would be difficult to imagine today's world without clocks and watches.
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