Câu hỏi:

Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate the correct word or phrase that best fits each of the numbered blanks.

Thanks to our modern lifestyle, with more and more time spent sitting down in front of computers than ever before, the (36) _________ of overweight people is at a new high. As people frantically search for a solution to this problem, they often try some of popular fad diet being offered. Many people see fad diet (37) ______ harmless ways of losing weight, and they are grateful to have them. Unfortunately, not only do fad diet usually fo the trick but also they can actually be dangerous for your health.

Although permanent weight loss is the goal, few are able to achieve it. Expert estimate that 95 percent of dieters return to starting weight, or even (38) _________ weight. While reckless use of fad diets can bring some initial results, long-term results are very rare.

Nonetheless, people who are fed up with the difficulties of changing their eating habits often turn to fad diets. (39) _________ being moderate, fad diets involve extreme dictary changes. They advise eating only one type of food, or they prohibit other types of foods entirely. This results in a situation (40) _________ a person’s body doesn’t get all the vitamins and other things that it needs to stay healthy. 

Điền vào ô 39