Timdapan.com - Tải tài liệu, văn bản pháp luật, biểu mẫu miễn phíĐỀ THI THỬ THPT QUỐC GIA MÔN TIẾNG ANHNĂM 2019 CÓ ĐÁP ÁNRead the following passage and mark the letter A, B, C or D on your answer sheet toindicate the correct answer to each of the following questions from 1 to 5.Dolphins are one of the most intelligent species on the planet, which makes them avery interesting animal to scientists. In their natural habitats, dolphins use variousvocalization techniques. They whistle and squeak to recognize members of their pod,identify and protect their young, and call out warnings of danger. They also make clickingsounds used for echolocation to find food and obstacles in dark and murky waters.Amazingly, the whistling sound that the bottlenose dolphin makes has been found tohave a similar pattern to human language. They always make conversational sounds whenthey greet each other. If you listen to dolphins' squeaks and squeals, it will sound like theyare having a conversation.Dolphins ...