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What can be inferred from the description of kakapo? The study proved that the cause of the sex-ratio problem is
What can be inferred from the description of kakapo? The study proved that the cause of the sex-ratio problem is
admin
2010-02-22
92
问题
What can be inferred from the description of kakapo?
The study proved that the cause of the sex-ratio problem is
选项
A、the born rate of the male kakapo.
B、the feeding amount of the female kakapo.
C、the starting weight of the female kakapo.
D、the total amount of the male kakapo.
答案
B
解析
事实细节题。由于本题是对研究结果进行提问,因此本题应该在最后两段中寻找答案。倒数第二段第二句指出:通过给kakapo提供足够多的食物,雌鸟的状态达到了巅峰,即达到了生育最棒的雄鸟的理想状态,因此它们大量生育儿子。这解释了第三段性别比例失调,生育的雄鸟是雌鸟的两倍这个问题。这里提问的是研究中kakapo后代中性别比例失调的原因,"雄性kakapo出生比例"显然不能回答这一问题。末段首句提到了female’s starting weight,但这只是研究者在设计实验过程时所考虑的因素之一,不是造成性别比例失调的原因;文中只在第三段第六句提到83只鸟中有45只雄鸟,在其后分析性别比例失调的原因时没有提到雄鸟的数量问题。
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0
考研英语一
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