分析 海豚是我们的朋友,虽然它们没有手,它们能用工具去解决问题,例如,科学家已经发现一只海豚能用一条死鱼让一条害羞的鳗鱼从它的洞里出来.
海豚用不同的声音交换彼此的信息.夏威夷科学家发明了一种信号语言给海豚指令,结果很惊人.他们发现海豚不仅仅理解个别词的含义,还理解句中那个重要的单词指令.
大多数动物喜欢玩,但是海豚似乎喜欢尽可能的带有挑战性地去做游戏.1997年的一个美好的一天,在海边的科学家刚看到一个小狗走进海里跟着海豚游泳.令她惊奇的是,海豚来到狗身边,开始将他丢到空中.狗很喜欢这个游戏,和海豚玩了一个多小时.
海豚住在和我们不同的世界,但是他们非常擅长我们的智商测试,例如,当它们听到口哨声它们会跳出水面.他们这样做因为他们会得到一条鱼作为奖励.
仍然还有很多要向这些可爱的麻烦解决者们学习的地方,但是看海豚表演很有趣是毫无疑问的.
解答 46.答案:C.细节理解题.根据第一段scientists have ever found that a dolphin can make a shy eel(鳗鱼) come out of its hole with a dead fish.可知海豚是用一只死鱼让鳗鱼出来,故选C.
47.答案:D.细节理解题.根据第二段Dolphins use different sounds to exchange information with each other可知是用不同的声音交换信息,故选D.
48.答案:B.细节理解题.根据第三段To their surprise,the dolphins came up to the dog and then started throwing it into the air可知是将狗扔向空中,故选B.
49.答案:A.细节理解题.根据第四段they will jump out of the water when they hear a whistle (口哨) noise.They do this because they will get a fish as a prize.可知是想获得奖励,故选A.
50.答案:B.推理判断题.根据第四段Dolphins live in a very different world from ours,but they are very good at our"IQ tests".可知海豚擅长智力测试,结合本文是说海豚懂得人们给出的指令,可知海豚是聪明的,故选B.
点评 海豚是我们人类的还便宜,学生很了解,故文章理解起来要容易多了,都是细节理解题,能从文中找到答案,但一定要忠于原文.
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