In the same way that humans have a need to communicate，animals have it to send and receive messages as well.This communication may be to tell others where food is or to show feelings such as happiness，sadness，or anger.
But how do animals communicate？According to a study carried out in 1898 by a scientist called Char，there are usually three ways for them to communicate.
For example，if a monkey notices a snake，it will give an alarm call for the other monkeys to climb into the trees.If the monkey notices an eagle，it will send loud noise to tell other monkeys to get close to the ground.Dolphins have a special way that works as a whistle for it to communicate.This whistle is similar to the singing voice of humans!The second way seems quite different.Those with a pet dog will easily know how a happy dog happily moves its tail.A cat that feels it is in danger will stand with its back high.Bees also work like this.They will dance in groups to tell other bees where the food might be.Another type of animal communication takes place among some certain animals.For example，elephants and giraffes will touch their friends if they like each other.Horses also touch their noses together as a sign that they are comfortable with one another.
It is truly amazing to discover the nature's secret and exciting for us to take a step closer to the animal world.More and more countries have put much money and effort into further research on this.At the same time，plenty of different voices are appearing.Is it really necessary to waste so much money on something that may be meaningless to us humans？____________
All in all，every coin has its two sides.We shall wait and see what this change can bring us in the future.
（1）Do animals have the need to send messages to each other？ Yes.Yes.
（2）When did Char carry out his study on animals？ In 1898.In 1898.
（3）According to the passage，how do animals communicate with each other？ Sounds，nonverbal signals and touch.Sounds，nonverbal signals and touch.
（4）Please finish the missing part in Paragraph 4 to make it complete （at least 20 words）. How do you think people use sounds，nonverbal signals and touch to communicate with each other？How do you think people use sounds，nonverbal signals and touch to communicate with each other？
【答案】Yes.；In 1898.；Sounds，nonverbal signals and touch.；How do you think people use sounds，nonverbal signals and touch to communicate with each other？
【解答】
【点评】
声明：本试题解析著作权属菁优网所有，未经书面同意，不得复制发布。
发布：2024/5/20 8:0:9组卷：9引用：1难度：0.8
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This book is great!l love the incredible chocolates and sweets in the factory.Words to describe the book：
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I give Charlie and the Chocolate Factory：
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3 stars = OK
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