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Scientists can determine someone’ s favorite food from their body shape. They have discovered that the arrangement of taste buds

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问题     Scientists can determine someone’ s favorite food from their body shape. They have discovered that the arrangement of taste buds(舌部味蕾) on the tongue varies for different body types. The scientist team examined 1,000 British adults and divided them into three physiologically recognized body types—ectomorphs, endo-morphs and mesomorphs. They determined that a person’ s body type indicated where they were likely to have the most taste buds on the sweet, bitter or salty areas of their tongue.
    The study showed that ectomorphs, who make up one in three of the population, usually have a small delicate shape, have a sweet tooth but hate bitter foods. Mesomorphs, who make up 20 percent of the population, usually have a muscular shape and prefer salty or bitter foods but dislike sweet foods. Half the British population are endomorphy with soft, rounded bodies, and they like most foods. The findings showed that for two in three people food preference was a physiological rather than a psychological Choice.
    Body shape expert Simon Bradshaw, who takes charge of this team, said: "It appears that simply by looking at an individual’ s body shape we can make sure about their preferences. " But Catherine Collins, of the British Dietetic Association said:" It is difficult to dictate whether our body shape dictates the food we like, or the food we like dictates body shape. " It stands to reason people who prefer most types of foods will be fatter and people who are the endomorph shape tend to find it more difficult to lose weight.
It is uncertain that______.
选项 A、how many body shapes there are
B、how the taste buds arrange on your tongue
C、food preference is a physiological choice
D、whether our body shape is decided by the food we enjoy most
答案D
解析 题干意为“…尚未确定”。根据最后一段“It is difficult to dictate whether our body shape dictates thefood we like，or the food we like dictates body shape”可知，很难断定是我们的体形决定我们喜欢吃的食物，还是我们喜欢吃的食物决定我们的体形，也就是说，“我们最喜欢吃的食物是否决定了我们的体形”这是尚未确定的，故选D。
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