2024届衡水金卷先享题[调研卷](河北专版)五英语x

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2024届衡水金卷先享题[调研卷](河北专版)五英语x试卷答案

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29.What can we infer from paragraph 4?A.Manatees are getting fatter.B.Global warming directly kills manatees.C.Fish is manatees'one food source.D.Manatees are beneficial to ecology.

(C)Dolphins are clever. We may know dolphins always save people out of water.装25kg ofDolphins often eat fish and other sea animals. A dolphin will eat 10kg to 25kg offish every day. They like swimming with other dolphins and usually hunt in groupsDolphins have good hearing. They use it to find things under the water. Manyscientists also believe dolphins can talk to each other through a special sound (声音) . That is whistle. Just like people, dolphins’ whistles have many kinds. One day we may understanddolphins' whistles, and then they will be able to tell us about themselves.8.Dolphins live in the se a, but they are not a kind of fish and they don’t lay eggs. They have babies inthe same way as cows and cats do, and give their babies milk. A female(雌性的) dolphin has a babyevery two to three years.Dolphins are very friendly. Sadly, there are not many kinds of dolphins left. People killed them formany years for food and other things. Now it's time to stop this and perhaps there will be more of them inthe years to come.( ) 48. How do dolphins find things under the water??A. By taste. B. By smell. C. By touch. D. By hearing.