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Câu 2. (2 điểm): Là một loài ếch trong họ Ranidae. Nó được tìm thấy ở: Campuchia, Trung Quốc, Hồng Kông, Lào, Ma Cao, Malaysia, Myanma, Philippines, Đài Loan, Thái Lan, và Việt Nam. Các môi trường sống tự nhiên của chúng là đầm nước ngọt, đầm nước ngọt có nước theo mùa, đất canh tác, vùng đồng cỏ, vườn nông thôn, các vùng đô thị, ao, ao nuôi trồng thủy sản, hố lộ thiên, đất có tưới tiêu, đất nông nghiệp có lụt theo mùa, và kênh đào và mương rãnh. Hãy giải thích vì sao ếch thường sống ở nơi ẩm ướt, gần bờ nước và bắt mồi về đêm? Câu 3. (2 điểm): Tại sao dơi, cá voi được xếp vào lớp thú? Trình bày đặc điểm cấu tạo của Cá voi thích nghi với đời sống trong nước? Câu 5. Trong lớp da của cá chép có nhiều tuyến tiết chất nhầy có tác dụng: A. Bảo vệ da khỏi bị khô; C. Giảm sự ma sát giữa da cá với môi trường nước; B. Giảm sức cản của nước; D. Giúp cá hô hấp. Câu 6. Để thích nghi với đời sống ở tầng nước mặt thì thân cá có hình dạng: A. Thân dẹp, mỏng B. Thon dài C. Thân nhỏ, ngắn D. Rất dài.

Dorothea Shaw is 71 years old and nearly blind, and when she chose to live alone far away from people, she went about as far as it is possible to go to escape humanity. She lives in Belize - a country the size of Wales with a population only that of Swansea. Her home is at Gales Point, a tiny village which can be reached only by sea or air; after a 10-mile walk into the hills, one finally reaches a plot of land and two small huts so hidden in the thick over-grown forest that only a handful of people know Dorothea is there. She lives happily and totally alone - growing her vegetables, looking after her trees and dogs, cats and chickens. Once a month or so an old friend passes by with her food supplies and mail - usually including a letter from her sister in Scunthorpe and some bits of clothing from friends in Canada. Sometimes a local man will come and chop wood for her and the occasional group of British soldiers will come across her and be greeted with the offer of a cup of coffee. At night she lives in her tiny sleeping hut with the dogs on the floor, the cats on the table near the typewriter and one of the hens settled down in a corner of the packed bookshelf, and listens for hours to any Spanish, English, German or French broadcasts she can find on her radio. Sometimes she gets lonely but most of the time the animals and the radio are company enough. But recently the very things which she had escaped from and hidden from so well have begun to catch up with her. The peace of the forest has been destroyed by the roar of earth-moving machines not many miles away. Humanity and the 20th century, once only heard of distantly on the radio, are now on her doorstep. Things began to change three years ago. The new main north-south highway in Belize was cut through the forest only four or five miles away. 'Now more and more people know I'm here,' she says. 'I feel more and more threatened each day.' 38. Dorothea's huts ____. A. have always been her home B. are entirely surrounded by trees C. were built for just a few people D. are in a country with the same population as Wales 39. Dorothea lives in the forest because ____. A. she is too old to move B. machines destroyed her home C. she had nowhere to live D. she doesn't like living near people 40. To keep her company, Dorothea has ____. A. her sister B. some animals C. friends from Canada D. a postman 41. Dorothea spends a lot of time ____. A. growing all the food she needs B. chopping down trees C. listening to the radio D. studying languages 42. In the last three years, Dorothea has been disturbed by ____. A. the making of a new road B. what she has heard on the radio C. people visiting her home D. threats of violence

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