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Đề 1 thuộc 25 câu sau

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1. In pools, goldfish are not just ornamental: since they feed on mosquito larva they are also benefit .

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2. Metalworkers use the term “machine tool” to refer to a piece of an equipment used for shaping metal.

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3. Cool temperatures, shade, moist , and the presence of dead organic material provide the ideal living conditions for mushrooms.

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4. The eight stripes of red, white, and blue on state flag of Hawaii represent Hawaii’s eight major islands.

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5. Entomologists, scientists who study insects, are often concerned with the fungus, poisonous , or virus carried by a particular insect.

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6. After 1845, pestilence spread in Boston, but before then , Boston was a city in which the life span of its citizens was long and disease was rarely .

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7. Brown rice has great nutritional value than white rice because the nutrient-rice outer layers of the rice kernel are not removed from brown rice.

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8. The United States government program Head Start prepares children for school encourages the involvement of local communities in the children’s Development .

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9. The waters of Hanauma Bay in Oahu, Hawaii, are known for the color , diversity and abundant of their tropical fish.

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10. Industry’s need for more and minerals is a constant challenge to the mining industry to make new discoveries .

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11. A landmark famous , the Brooklyn Bridge in New Yolk was one of the first woven wire cable suspension bridges ever constructed .

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12. hanges within the chemist structure of single genes may be induced by exposure to radiation and extreme temperatures.

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13. Most bats roost in crevices, caves, or building by day and are active at night or twilight.

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14. Wildlife photographers are involved of a new government project to docum the 50 most endangered species in the United States.

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15. The Architectural History Foundation was established in 1977 to support the publication of important book on architecture.

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16. Ludmilla Turkevich, known as a translator and scholar in the field of Russian literature, she became a member of the faculty of Princeton University during the Second World War.

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17. For more eighty years, scientists have argued over whether life exists on the planet Mars.

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18. The Bollingen Prize in poetry established of the Bollingen Foundation, is a $1,000 award for the year’s highest achievement in poetry in the United States.

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19. Beyond their importance as a source of food for both people and animals, corn is also used to produce alcohol- based fuels.

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20. Some of the first aerial photographs were taken from a balloon while the Civil War in the United States.

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21. Being chemical compounds, minerals have characteristic shapes and colors, whereas do rocks not .

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22. The survival of a forest depends not only on the amount of annual rainfall it receives, and also on the seasonal distribution of the rain.

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23. Because the diamond is the hardest naturally substance, it is used in industry for to cut, grinding, and boring other hard materials

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24. In the late nineteenth century, journalist and publisher William Randolph Hearst established a vast publishing empire that included Eighteen newspapers in twelve city .

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25. According to modern astronomers, the space between the planets and stars is not empty; rather he is filled with something called dark matter.

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