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Dạng bài Đọc hiểu lớp 12

According to  the  passage, one yolk contains approximately what fraction of  the suggested daily limit for human consumption of cholesterol?

Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions. ( from 51 to 60).

     Although they are an inexpensive supplier of vitamins, minerals, and high-quality protein, eggs also contain a high level of blood cholesterol, one of the major causes of heart diseases. One egg yolk, in fact, contains a little more than two- thirds of the suggested daily cholesterol limit. This knowledge has driven egg sales to plummet in recent years, which in turn has brought about the development of several    alternatives   to  eating   regular  eggs.   One    alternative  is  to  eat  substitute  eggs.   These   eggs substitutes are not really eggs, but they look somewhat like eggs when they are cooked. They have the advantage   of     having   low   cholesterol   rates,   and   they   can   be   scrambled   or   used   in   banking.   One disadvantage, however, is that they are not good for frying, poaching, or boiling. A second alternative to regular eggs is a new type of egg, sometimes called “designer” eggs. These eggs are produced by hens that are fed low- flat diets consisting of ingredients such as canola oil, flax, and rice bran. In spite of their diet, however, these hens produce eggs that contain the same amount of cholesterol as regular eggs. Yet, the producers of these eggs claim that eating their eggs will not raise the blood cholesterol in humans. 

    Eggs producers claim that their product has been portrayed unfairly. They cite scientific studies to back up their claim. And, in fact, studies on the relationship between eggs and human cholesterol levels have brought mixed results. It may be that is not the type of eggs that is the main determinant of cholesterol but the person who is eating the eggs. Some people may be more sensitive to cholesterol derived from food than other people. In fact, there is evidence that certainly dietary fats stimulate the body’s production of blood cholesterol. Consequently, while it still makes sense to limit one’s intake of eggs, even designer eggs, it seems that doing this without regulating dietary fat will probably not help reduce the blood cholesterol level.

Câu 53606: According to  the  passage, one yolk contains approximately what fraction of  the suggested daily limit for human consumption of cholesterol?

A. 3/4

B.  2/3 

C. 1/2

D. 1/3

Câu hỏi : 53606
  • Đáp án : B
    (0) bình luận (0) lời giải

    Giải chi tiết:

    "One egg yolk, in fact, contains a little more than two- thirds of the suggested daily cholesterol limit."

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