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ed with other similar whistle languages in Spain’ s Canary Islands, in Mexico, or in Greek villages, it has a higher tone and larger vocabulary. This unusual form of munication, which dates some 500 years ago, to the Ottoman Empire was born from sheer necessity and widespread across the Black Sea regions. But 50 years ago, it suffered the impact of the progression of technology and nowadays the rapid growth of cellular mobile systems has put this cultural heritage under serious threat. For centuries, the language has been passed on from grandparent to parent, from parent to child Now, though, many of its most proficient speakers who use their tongue, teeth and fingers are aging all being physically weak. Young people are no longer interested in learning the language or in finding ways to update its vocabulary with new words, and in a few generations it may be gone for good. “ Our bird language is very convenient and efficient to municate across the valleys. It has many benefits over yelling, which is bad for our throats.” said Avni Kocek, head of the bird village adding that despite setbacks because of technology,“ bird language is still used by many of us. Whistle language is transmitted from our elders to us and we have the duty to transmit it to our children. We are making efforts to keep our culture alive through the annual Bird Language Festival.” Besides, the bird language has been required to be taught at primary schools since 2021 by district authorities in order to instill the practice in younger generations. 28. What is the bird language’ s advantage over other similar whistle languages? A. It is used as a means of munication. B. It is older and has a larger number of users. C. It can send more messages to farther places. D. It is a pletely different system of whistling. 29. What’ s the biggest threat to the bird language? A. Other whistle languages are more effectively protected. B. The necessity to use it in everyday life is disappearing. C. Many of its most proficient speakers are growing old. D. Young people find it too difficult to learn well enough. 30. What’ s the most effective measure so far taken to protect the bird language? A. It has bee a subject at primary schools. B. Bird Language Festival is celebrated every month. C. Cellular mobile systems are not allowed in the area. D. All parents are required to transmit it to their children. 31. Which of the following can be the best title for the text? A. Preserving the Endangered Bird language B. The Story of a Bird Language Speaker C. Celebrating the Bird Language Festival D. The Disappearance of Bird Language D The term“ forensic linguistics,” in its broadest sense, covers all areas of study where language and law intersect(交集 ). A famous example of its application is the case of Chris Coleman, who was suspected of killing his family in 2021. Robert Leonard, the head of the forensic linguistics program at Hofstra University, presented some important linguistic evidence in the trial against Coleman. Relying heavily on word choice and spelling, Leonard suggested that the same person had written the threatening s and sprayed the graffiti(涂鴉 ), and that those samples bore similarities to Cole— man’ s writing style. Coleman was later found guilty of the murder. Robert Leonard was not the first one who used linguistic evidence in criminal investigation. The field of forensic linguistics was brought to attention by his colleague James Fitzgerald in 1996 with his work in the case of the Unabomber, who had sent a series of letter bombs to college professors over several years, causing many deaths. Working for the FBI, Fitzgerald urged the publication of the Unabomber’ s letter— a lengthy declaration of the criminal’ s philosophy. After the letter was published, many people called the FBI to say they recognized the writing style. By analyzing sentence structure, word choice, and other linguistic patterns, Fitzgerald narrowed dram the range of possible authors and finally linked the letter to the writings of Ted Kaczynski, a former mathematician. For instance, Kaczynski tended to use long parallel phrases,which were frequently found in the bomber’ s letter. Both Kaczynski and the bomber also showed a preference for dozens of unusual words, such as“ chimerical” and“ anomic.” The bomber’ s use of the terms“ broad” for women and“ negro” for African Americans also enabled Fitzgerald to roughly calculate the