托福tpo11阅读 鸟的导航这一篇 第21题 求解答!!! 5
kramer做实验用放食物的空盒子是想干什么啊?这个逻辑完全没搞懂7.Whichofthefollowingcanbeinferredfromparagraph4abou...
kramer做实验 用放食物的空盒子是想干什么啊?这个逻辑完全没搞懂
7.Which of the following can be inferred from paragraph 4 about Kramer's reason forfilling one food boxand leaving the rest empty?
A.He believed the birds would eat food from only one box.
B.He wanted to see whether the Sun alone controlled the birds' ability to navigate toward thebox with food.
C.He thought that if all the boxes contained food, this would distract the birds from followingtheir migratory route.
D.He needed to test whether the birds preferred having the food at any particular point of thecompass. 展开
7.Which of the following can be inferred from paragraph 4 about Kramer's reason forfilling one food boxand leaving the rest empty?
A.He believed the birds would eat food from only one box.
B.He wanted to see whether the Sun alone controlled the birds' ability to navigate toward thebox with food.
C.He thought that if all the boxes contained food, this would distract the birds from followingtheir migratory route.
D.He needed to test whether the birds preferred having the food at any particular point of thecompass. 展开
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这个实验是这样的, 把鸟关在笼子里放在正中心,外围一圈是完全一样的盒子,只有一个盒子有事物,这些盒子的位置是不变的固定的,其中有食物的盒子与罗盘指向一致(例如正北)。在这些盒子的外围,是墙(用来充当背景)。鸟笼、盒子、墙构成了同心圆,鸟笼和墙是可以旋转的,盒子位置固定。所以对这些鸟来说,盒子的相对位置一直在发生改变。但是,只要鸟能看到太阳,它们就能准确找到食物。反之,看不到太阳就会弄错食物位置。所以说,这个实验是用来排除除了太阳以外的其他导向方法的。比如说鸟是不是通过墙壁位置记忆之类。
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360class上面有很多tpo的题,也有解析,你可以看一下
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2015-10-13
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问同啊! 这个逻辑关系真心搞不懂!!!
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