問題詳情
20. Body mass index ( BMI ) is a measure of body fat based on a person’s weight and height.
(A) It is a useful tool to roughly estimate a healthy body weight based on a person’s height.
(B) BMI is an easy measurement to identify obesity, but it could not tell us the exact percentage of one’sbody fat.
(C) The latest data indicates that 30 percent of Americans over the age of 20 are overweight.
(D) Therefore, BMI should not be considered as a final indicator for formal medical diagnosis.
(A) It is a useful tool to roughly estimate a healthy body weight based on a person’s height.
(B) BMI is an easy measurement to identify obesity, but it could not tell us the exact percentage of one’sbody fat.
(C) The latest data indicates that 30 percent of Americans over the age of 20 are overweight.
(D) Therefore, BMI should not be considered as a final indicator for formal medical diagnosis.
參考答案
答案：C
難度：適中0.421053
統計：A(5),B(2),C(8),D(3),E(0)
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