Turkeys (the birds) are originally from the Americas. The Europeans knew a similar looking and tasting bird, known nowadays as G

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问题    Turkeys (the birds) are originally from the Americas. The Europeans knew a similar looking and tasting bird, known nowadays as Guinea fowl, originally from Africa but introduced through the Ottoman Empire, who was called the turkey-cock or turkey-hen. When the Europeans arrived to the Americas and found the bird we now know as turkey, they called it turkey by association.
   Ben Franklin preferred them to bald eagles. While Ben Franklin never actually endorsed them for the position of national bird (as some believe) , he did praise them as being " a much more respectable bird" in general than the bird of prey bald eagle. He also added, " He is besides, though a little vain & silly, a Bird of Courage, and would not hesitate to attack a Grenadier of the British Guards who should presume to invade his Farm Yard with a red Coat on.
   Wild turkeys feed on the ground, which may have something to do with the myth that they can’t fly. They have to fly, however, because they roost in trees at night. Some accounts say they can soar up to 55 mph for short bursts.
   A gobbler’s droppings usually take the shape of a "J" or sometimes a question mark. A hen leaves droppings that more closely resemble a spiral that is all in one pile.
   Americans particularly love to eat turkey breast meat, so turkeys have been selectively bred over the years to have bigger and bigger breasts. Artificial insemination is a required part of turkey breeding as the modern bird is too heavy and misshapen with its massive breast area to procreate the old-fashioned way.
   Turkeys’ heads actually change colors from red to pink, white, blue, or gray depending on its mood. So you could say that they blush!
   Turkeys have a 270-degree field of vision (360 when they rotate their heads) , can see in color, and see three times more clearly than 20/20.
   Turkeys climb up into trees when it’s time to go to sleep, and throughout the night they keep watch over one another to make sure no predators are lurking. In the morning, they gobble softly to each other as a form of headcount to make sure everyone made it through the night.
   Turkeys do a lot more than gobble. Their loudest sounds can be heard from more than a mile away. Each turkey sounds slightly different than the next; this is how they tell each other apart.
   Turkeys can form a visual map of their territory, remembering tiny details of an area exceeding 1,000 a-cres even after more than a year apart.
   The heaviest turkey ever recorded reportedly clocked in at a whopping 86 pounds. Nearly 50 million turkeys are expected to be eaten on Thanksgiving this year.
Which of the following statements about their weight is NOT true according to the text?

选项 A、They are so heavy that they can’t reproduce as the wild birds do.
B、They are so heavy that they can weigh as much as 86 pounds.
C、They are so heavy because modern turkeys are bred as a main source of meat.
D、They are so heavy that they can hardly fly.

答案C

解析 事实细节题。第五段提到,由于美国人特别喜欢吃火鸡胸肉,多年来火鸡被有选择性地培育成胸部越来越大的样子,现代的火鸡过重且胸部畸形发达,无法通过传统方式交配,必须通过人工授精繁殖,故[A]项正确。同时根据常识判断,过重且畸形发达的胸部使火鸡飞不起来,故[D]项正确。最后一段提到,据传有记载的最重的火鸡重达86磅,故[B]项正确。文中未提及火鸡是否是作为主要的肉食来源而饲养的,故答案为[C]项。
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