练习：
　　1. The difference in eating habits between the bottle-nose dolphins and the sperm whales interested the SDWF scientists.
　　A. Right B. Wrong C. Not mentioned
　　2. Ronan Hickey analyzed almost 2000 different dialects of the bottle-nose dolphins.
　　A. Right B. Wrong C. Not mentioned
　　3. Of the 32 categories, eight were produced only by the Irish dolphins.
　　A. Right B. Wrong C. Not mentioned
　　4. Whistles could also be used to communicate between adult dolphins and baby dolphins.
　　A. Right B. Wrong C. Not mentioned
　　5. Sperm whales can produce stronger ultrasonic waves to kill their prey than dolphins.
　　A. Right B. Wrong C. Not mentioned
　　6. As early as the 6th century, Irish fishermen started raising dolphins in the Shannon estuary.
　　A. Right B. Wrong C. Not mentioned
　　7. Irish dolphins attract tourists and over 25,000 people come to see them every year.
　　A. Right B. Wrong C. Not mentioned
　　答案与解析：
　　1.分析文章标题：Irish(爱尔兰的) Dolphins(海豚) may have a unique(独特的) dialect(语言， 方言)
　　2.直接解题：
　　1. The difference in (在...方面的差异)eating(饮食的) habits(习惯)between(在...之间) the bottle-nose dolphins(宽吻海豚) and the sperm whales (巨头鲸)interested(使...感兴趣) the SDWF(香农海豚与野生动物基金会) scientists(科学家).
　　A. Right B. Wrong C. Not mentioned
　　1.C. 细节题。 利用问题句中的细节信息词bottle-nose dolphins， sperm whales, eating habits和特征词SDWF(香农海豚与野生动物基金会) scientists共同作为答案线索，在文章中查找答案相关句：
　　Irish scientists monitoring dolphins living in a river estuary in the southwest of the country believe they may have developed a unique dialect to communicate with each other.
　　The Shannon Dolphin and Wildlife Foundation (SDWF)1 has been studying (一直在研究)a group of(一组) up to (多达，直到)120 bottle-nose dolphins (宽吻海豚)in the River Shannon using vocalisations (发声)collected on a computer (被收集在计算机里)in a cowshed (牛棚) near the River Shannon.
　　As part of a research project, student Ronan Hickey digitised and analysed a total of 1,882 whistles from the Irish dolphins and those4 from the Welsh dolphins on a computer and separated them into six fundamental whistle types and 32 different categories5. Of the categories, he found most6 were used by both sets of dolphins7 -- but eight were only heard from the Irish dolphins.
　　"We are building up a catalogue of the different whistle types they use and trying to associate them with behaviour like foraging, resting, socialising and the communications of groups with calves," project leader Simon Berrow said. "Essentially we are building up what is like a dictionary of words they use or sounds they make."
　　Berrow, a marine biologist, said the dolphins' clicks are used to find their way around and locate prey. The whistles are communications. "They do a whole range of other sounds like barks, groans and a kind of gunshot," he said. "The gunshot(射击， ) is an intense(强烈的) pulse of sound(脉冲声). Sperm whales use it to stun(使晕倒) their prey(猎物).
　　"When I first heard(听到) it I was surprised (感到吃惊)as I thought (认为)sperm whales (巨头鲸)were the only species(物种) who used it. We can speculate(推测) the dolphins(海豚) are using it for the same reason (为了与...同样的原因)as the sperm whales(巨头鲸)," Berrow said.
　　References8 in local legend indicate there have been dolphins in the Shannon estuary for generations and they may even have been resident there as far back as the 6th century9.
　　They are regularly seen by passengers on the Shannon ferry and an estimated 25,000 tourists every year take special sightseeing tours on local boats to visit them.
　　与问题句可能相关的语句中都没有涉及到问题句的内容， 因此判断问题句的内容在文章中没有被提到。实际上通过单词查找， 我们会发现细节信息eating habit(饮食习惯)这个短语， 连同它的一些词义相关词，如：eat, food, feed on(以...为食)在文章中根本就没有出现， 只要问题句中有一部分信息在文章中没有出现， 我们就需要把这个问题句的内容判断为“没有被提到”。
　　2. Ronan Hickey analyzed(分析) almost(差不多， 几乎) 2000 different(不同的) dialects(语言) of the bottle-nose dolphins(宽吻海豚).
　　A. Right B. Wrong C. Not mentioned
　　2. B。 细节题。利用问题句中的特征词Ronan Hickey(人名)和2000 different(不同的) dialects， 及细节信息词bottle-nose dolphins共同作为答案线索， 在文章中查找答案相关句：
　　Irish scientists monitoring dolphins living in a river estuary in the southwest of the country believe they may have developed a unique dialect to communicate with each other.
　　The Shannon Dolphin and Wildlife Foundation (SDWF)1 has been studying a group of up to 120 bottle-nose dolphins in the River Shannon2 using vocalisations collected on a computer in a cow shed3 near the River Shannon.
　　As part of (部分的)a research(研究) project(计划), student Ronan Hickey digitised (使数字化)and analyzed(分析) a total(总数) of 1,882 (与almost 2000 呼应)whistles(鸣叫声， 口哨声， 汽笛声) from the Irish(爱尔兰) dolphins and those from the Welsh(威尔士的) dolphins on a computer and separated them into(把...分成...) six fundamental whistle types (基本鸣叫类型) and 32 different(不同的) categories(种类) . Of the categories, he found most6 were used by both sets of dolphins7 -- but eight were only heard from the Irish dolphins.
　　题句的意思是： Ronan Hickey 分析了爱尔兰海豚发出的近2000种不同的方言。这句话与短文中叙述的意思不符。第三段第一句说： Ronan Hickey 分析了爱尔兰海豚和威尔士海豚(不仅仅宽吻海豚)发出的近2000种不同的啸声(不是方言)。所以，本题选项 B 是答案。
　　3. Of(在...之中) the 32 categories(种类), eight were produced (被产生)only(仅仅) by the Irish(爱尔兰的) dolphins.
　　A. Right B. Wrong C. Not mentioned
　　3.细节题。利用问题句中的特征词32 categories， eight，Irish(爱尔兰的) dolphins共同作为答案线索， 在文章中查找答案相关句：
　　Irish scientists monitoring dolphins living in a river estuary in the southwest of the country believe they may have developed a unique dialect to communicate with each other.
　　The Shannon Dolphin and Wildlife Foundation (SDWF)1 has been studying a group of up to 120 bottle-nose dolphins in the River Shannon2 using vocalisations collected on a computer in a cow shed3 near the River Shannon.
　　As part of a research project, student Ronan Hickey digitised and analysed a total of 1,882 whistles from the Irish dolphins and those4 from the Welsh dolphins on a computer and separated them into six fundamental whistle types and 32 different categories5. Of the categories, he found most6 (大多数)were used by (被...使用)both sets of (来自Irish和Welsh的两种)dolphins7 -- but eight were only heard (仅仅被听见)from the Irish dolphins.
　　答案相关句与问题句的句意一致：32 种啸声中有 8 种是爱尔兰海豚独有的。所以答案是 A。
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