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Sao Paulo, Brazil, is South America's largest city and one of the fastest-growing cities in the world. It is a commercial centre of ...

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The memory of a computer consists of microchips. There are two types: ROM (read-only-memory) contains permanent instructions, ...

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In the 14th century, Arab traders sailed across the Indian Ocean and introduced Islam to many Asian countries. In 1511, ...

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Romeo and Juliet was one of Shakespeare's early plays but in it he wrote some of his most beautiful poetry. When Romeo leaves ...

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It is often better for the person not to take antibiotics if the illness isn't serious. In the past, doctors often gave to many antibiotics and ...

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H²O - This chemical symbol for water means that each water molecule contains two atoms of hydrogen and one atom of ...

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875 x 3 = 2,625

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The world's longest bridges are now all suspension bridges.

สะพานแขวน / puente colgante / 吊桥 / 현수교 / Ponte suspensa

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In the case of Walker versus Thompson, where a man killed his business partner, the judge gave him 20 years in prison because ...

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The Communist Party was started by Vladimir Ilich Lenin in 1903. Communism became popular, first in Russia and later in China

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Bauhaus furniture and ordinary objects were famous in the early twentieth century but are still very popular today. For example, Bauhaus chairs and lamps ...

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The economy of a country depends in part on its natural resources. For example, if a country is rich in diamonds, or oil, ...