5.【2018年江西中考】Many people say dolphins are intelligent. They seem to be able to think, understand and learn things quickly. But are they as smart as humans, or are they more like cats and dogs? Dolphins use their brains quite differently from the way humans do. But scientists say dolphins and humans are very similar in some ways. How?
Like humans, every dolphin has its own "name". The name is a special whistle (哨声). Each dolphin chooses a specific (特有的) whistle for itself, usually by its first birthday Dolphins are like people in other ways, too. They "talk" to each other about a lot of things-such as their age, their feelings, and finding food. They also use a system of sounds and body language to communicate. Understanding dolphin conversation is not easy for humans. No one "speaks dolphin" yet, but some scientists are trying to learn.
Dolphins are also social animals. They live in groups called pods, and they often join others from different pods to play games and have fun--just like people. Scientists believe playing together is something only intelligent animals do.
Dolphins and humans are similar in another way: both species make plans for getting things they want. In the seas of southern Brazil, for example, dolphins use an intelligent plan to get food. When there are fish near a boat, dolphins signal (发信号) to the fishermen to put their nets in the water. Using this method, the men can catch a lot of fish. Why do dolphins help the men? There is an advantage for them they get to eat some of the fish that escape (逃脱) from the net.
41. What is a dolphin's “name”?
A. It is a kind of game.
B. It is a body sign.
C. It is a dolphin’s age.
D. It is a specific sound.
42. What does the underlined word "others" refer to?
A. Other fishes.
B. Other people
C. Other dolphins
D. Other games
43. What can we infer from the passage?
A. Some scientists can understand dolphins system of sounds.
B. Dolphins probably help fishermen by using their body language.
C. Humans join dolphins' groups to get things we want.
D. Dolphins can talk to humans about their age and their feelings.
44. What's the main idea of the passage?
A. Dolphins can communicate with each other at birth.
B. Dolphins are social animals because they play together.
C. Dolphins are smart and are like humans in some ways.
D. Dolphins help humans do many things like catching fish.
【答案】41. D 42. C 43. B 44. C
【解析】试题分析：这是一篇说明文，文章主要讲述了海豚在各方面与人类的相似点。
41. 题意：海豚的名字是什么？考查细节理解题。根据The name is a special whistle，可知是一种特殊的哨音，故选D。
42. 题意：划线词“others”指的是什么？考查词义理解题。根据Dolphins are also social animals. They live in groups called pods, and they often join others from different pods to play games and have fun--just like people.，可知指的是其他的海豚，故选C。
43. 题意：从这篇文章中我们能推断出什么？考查推理判断题。A. Some scientists can understand dolphins system of sounds.一些科学家能理解海豚的声音系统。B. Dolphins probably help fishermen by using their body language.海豚可能通过使用他们的肢体语言来帮助渔民。C. Humans join dolphins' groups to get things we want.人类加入海豚团体来获得我们想要的东西。D. Dolphins can talk to humans about their age and their feelings.海豚可以和人类谈论他们的年龄和情感。根据When there are fish near a boat, dolphins signal to the fishermen to put their nets in the water. Using this method, the men can catch a lot of fish.，可知海豚可能会通过使用他们的肢体语言来帮助渔民捕鱼，故选B。
Like humans, every dolphin has its own "name". The name is a special whistle (哨声). Each dolphin chooses a specific (特有的) whistle for itself, usually by its first birthday Dolphins are like people in other ways, too. They "talk" to each other about a lot of things-such as their age, their feelings, and finding food. They also use a system of sounds and body language to communicate. Understanding dolphin conversation is not easy for humans. No one "speaks dolphin" yet, but some scientists are trying to learn.
Dolphins are also social animals. They live in groups called pods, and they often join others from different pods to play games and have fun--just like people. Scientists believe playing together is something only intelligent animals do.
Dolphins and humans are similar in another way: both species make plans for getting things they want. In the seas of southern Brazil, for example, dolphins use an intelligent plan to get food. When there are fish near a boat, dolphins signal (发信号) to the fishermen to put their nets in the water. Using this method, the men can catch a lot of fish. Why do dolphins help the men? There is an advantage for them they get to eat some of the fish that escape (逃脱) from the net.
41. What is a dolphin's “name”?
A. It is a kind of game.
B. It is a body sign.
C. It is a dolphin’s age.
D. It is a specific sound.
42. What does the underlined word "others" refer to?
A. Other fishes.
B. Other people
C. Other dolphins
D. Other games
43. What can we infer from the passage?
A. Some scientists can understand dolphins system of sounds.
B. Dolphins probably help fishermen by using their body language.
C. Humans join dolphins' groups to get things we want.
D. Dolphins can talk to humans about their age and their feelings.
44. What's the main idea of the passage?
A. Dolphins can communicate with each other at birth.
B. Dolphins are social animals because they play together.
C. Dolphins are smart and are like humans in some ways.
D. Dolphins help humans do many things like catching fish.
【答案】41. D 42. C 43. B 44. C
【解析】试题分析：这是一篇说明文，文章主要讲述了海豚在各方面与人类的相似点。
41. 题意：海豚的名字是什么？考查细节理解题。根据The name is a special whistle，可知是一种特殊的哨音，故选D。
42. 题意：划线词“others”指的是什么？考查词义理解题。根据Dolphins are also social animals. They live in groups called pods, and they often join others from different pods to play games and have fun--just like people.，可知指的是其他的海豚，故选C。
43. 题意：从这篇文章中我们能推断出什么？考查推理判断题。A. Some scientists can understand dolphins system of sounds.一些科学家能理解海豚的声音系统。B. Dolphins probably help fishermen by using their body language.海豚可能通过使用他们的肢体语言来帮助渔民。C. Humans join dolphins' groups to get things we want.人类加入海豚团体来获得我们想要的东西。D. Dolphins can talk to humans about their age and their feelings.海豚可以和人类谈论他们的年龄和情感。根据When there are fish near a boat, dolphins signal to the fishermen to put their nets in the water. Using this method, the men can catch a lot of fish.，可知海豚可能会通过使用他们的肢体语言来帮助渔民捕鱼，故选B。
