学位英语

阅读判断(第1～7题，每题1分，共7分)

下面的短文后列出了7个句子，请根据短文的内容对每个句子做出判断：如果该句提供的是正确信息，请选择A;如果该句提供的是错误信息，请选择B;如果该句的信息文中没有提及，请选择C。

Irish Dolphins May Have a Unique Dialect

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) has been studying a group of up to 120 bottle-nose dolphins in the River Shannon using vocalizations collected on a computer in a cow shed near the River Shannon.

As part of a research project, student Ronan Hickey digitized and analyzed a total of 1,882 whistles from the Irish dolphins and those from the Welsh dolphins on a computer and separated them into six fundamental whistle types and 32 different categories. Of the categories, he found most were used by both sets of dolphins---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 behavior like foraging, resting, socializing and the communications of groups with calve,” 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 located prey. The whistles are communications. “They do a whole range of other sounds like barks, groans and kind of gunshot,” he said. “The gunshot is an intense pulse of sound. Sperm whales use it to stun their prey.”

“When I first heard it I was surprised as I thought sperm whales were the only species who used it. We can speculate the dolphins are using it for the same reason as the sperm whales,” Berrow said.

References 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 century.

They are regularly seen by passengers on the Shannon ferry and an estimated 25,000 tourists every year take special sightseeing tours on local boasts to visit them.

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 2,000 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

本题分数(7)

CBAACBA

1.C本题所说的意思是宽吻海豚与抹香鲸进食习惯上大相径庭，这一点令科学家很感兴趣。这种表达在文章中无法找到。

2.B题干的意思为：Ronan Hickey分析了爱尔兰海豚发出的近2000总不同的方言。这句话与短文中叙述的意思不符。第三段第一句话这样表述：Ronan Hickey分析了爱尔兰海豚和威尔士海豚(不仅是爱尔兰海豚)发出的近2000种不同的啸声(不是方言)。

3.A题干表达的意思与文章第三段第二句的内容相符。32种啸声中有8种是爱尔兰海豚独有的。

4 A文章第四段第一句说科学家正设法将啸声与海豚的行为特性联系起来，其中也包括成年海豚与小海豚之间的联络这一行为。与原文相符。

5.C题干的意思是：鲸鱼能发出比海豚更强烈的超声波去杀死猎物。但文章并没有表达出这个意思。

6.B文章第七段提出，早在公元6世纪海豚就在香农河河口繁衍生息，而没有说早在公元6世纪渔民开始在香农河河口养殖海豚;因此，题干与文章意思不符。

7.A题干表述的意思与最后一段的意思相符。文章说大约每年有25000名游客专程到此乘坐当地的小船观看海豚。

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