单选题 Questions 9-10 refer to the following graph.
单选题 What percent of underweight adult females perceive themselves to be underweight? A. 5%B. 22%C. 38%D. 50%E. 70%
【正确答案】 B
【答案解析】The bar representing underweight adult females who perceive themselves to be underweight extends from about 70% to about 95%, a range of approximately 25%. Choice B is closest.
单选题 The members of which of the four groups had the least accurate perception of their body weight?
  • A. Underweight
  • B. Normal weight
  • C. Moderately overweight
  • D. Severely overweight
  • E. It cannot be determined from the information given in the graph.
【正确答案】 A
【答案解析】Almost all overweight females correctly considered themselves to be overweight; and more than half of all females of normal weight correctly considered themselves "about right." But nearly 70% of underweight adult females inaccurately considered themselves "about right."