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tải về 1.52 Mb.
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BC Ketqua thuchien Dean04, KH2894 2-2024
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1. In ancient Greece, delta was the name of A. a group of islands B. the Third letter of the alphabet C. a kind of soil D. the fourth letter of the alphabet 2. The sign for “delta” was A. a circle B. a triangle C. a rectangle D. a square 3. Islands at the mouths of rivers are called deltas because they ……… . A. are formed by rivers B. are built up by volcanoes C. form a triangular group D. form a rectangular group 4. Deltas are built up by ……….. . A. the rivers themselves B. volcanoes C. both A and B D. Neither A nor B 5. One kind of deposit named in the story is A. lave B. gravel C. silt D. None of them 4/ In addition to providing energy, fats have other functions in the body. The fat-soluble vitamins, A, D, E, and K, are dissolved in fats, as their name implies. Good sources of these vitamins have high oil or fat content, and the vitamins are stored in the body’s fatty tissues. In the diet, fats cause food to remain longer in the stomach, thus increasing the feeling of fullness for some time after a meal is eaten. Fats add variety, taste and texture to foods, which accounts for the popularity of fried foods. Fatty deposits in body have an insulating and protective value. The curves of the human female body are due mostly to strategically located fat deposits. Whether a certain amount of fat in the diet is essential to human health is not definitely known. When rats are fed a fat-free diet, their growth eventually ceases, their skin becomes inflamed and scaly and their reproductive systems are damaged. Two fatty acids, linoleic and arachidonic acids, prevent these abnormalities and hence are called essential fatty acids. They are also required by a number of other animals, but their roles in human beings are debatable. Most nutritionists consider linoleic fatty acid an essential nutrient for humans. Questions 1. The passage probably appears in which of the following? A. A diet book B. A book on basic nutrition C. A cookbook D. A popular women’s magazine 2. The phrase “stored in” is closest in meaning to ……. A. manufactured in B. attached to C. measured by D. accumulated in 3. The author states that fats serve all of the following body functions except to……… . A. promote the feeling of fullness B. insulate and protect the body C. provide energy D. control weight gain 4. Which of the following is true for rats when they are fed a fat-free diet? A. They stop growing. B. They have more babies. C. They lose body hair. D. They require less care. 5. That humans should all have some fat in our diets is ……… . A. a commonly held view B. not yet a proven fact C. only true for women D. proven to be true by experiments on rats tải về 1.52 Mb. Chia sẻ với bạn bè của bạn:
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