课件26张PPT。北师大版《初中英语》八年级下册
Unit 2 Communication
Lesson 4（第一课时）CommunicationUnit 2How do we communicate with other people?Our ways of communicationby mobile phoneby text messageby sign languageby body languagethrough face-to-face communicationby emailby blogUse the key words to describe these photos.When do we communicate with others? Two people are using a computer. Maybe they’re writing a blog or sending an email.Do animals need communication?Jane RobertsDo you know these animals? insectswhalesmiceHow do they communicate with their friends?
antsbeesI think ants communicate by body language.Read the text.Find out the 3 main methods of animal communication.
By smell
By sound
By body languageRead with the speaker.For what purposes do they communicate?Your opinionHow is human communication different from animal communication?
I think …
1 Animals can help us a lot.
Examples
2 People have always been interested in animal communication.Why do people want to study animal communication? Dogs have helped the police for a long time. They can find missing people by using…Scientists have trained mice to find landmines.We are a happy family!Homework1 Read the text.
2 Write down your opinion about
“How is human communication
different from animal communication?” Thank you!课件17张PPT。北师大版《初中英语》八年级下册
Unit 2 Communication
Lesson 4（第二课时）by smellby soundby body languagethe ways
the purposesmadsoundsubjectmad
sound
subjectmadsoundScientists have done a lot of research onsubject(adj.) 1. angry 2. crazy
1. (n.) something that you can hear 2. (v.) to seem to you when you hear or read about them
(n.) 1. a thing that is discussed or studied 2. an area of knowledge that is learned in a schoolDictionary entriesCan you answer these questions?1 How do scientists study animal communication?
2 What have scientists done with mice so that they can help people?
3 Are people interested in animal communication now or for a long time? How do you know?They have done a lot of research on this subject.They have trained mice to find landmines.People have always been interested in animal communication.for a long timeCan you answer these questions?They have done a lot of research on this subject.They have trained mice to find landmines.People have always been interested in animal communication.for a long timebegan in the pastbegan in the pastnowThey have done a lot of research on this subject.
They have trained mice to find landmines.
People have always been interested in animal communication.They have done a lot of research on this subject.
They have trained mice to find landmines.
People have always been interested in animal communication.Find more sentences in the text.have done have trained have always been Dogs have helped the police for a long time, too.
Scientists have discovered that even ants use smell.
Everyone has heard birds singing.
Research has shown that many other animals use sound to communicate.
Animals have always used body language to communicate as well.
现在完成时发生在过去，持续到现在或对现在有影响。Scientists have discovered that even ants communicate this way.
Everyone has heard birds singing.hashave have has been is has bitten barkshave found takesince 7 years ago1 She has always loved animals.
2 He has never had a pet.
3 Molly has been my pet for 10 years.
4 I have had a pet tortoise since I was ten years old.
Do you have any pets?
Have you ever watched an animal?
How do they communicate ?HomeworkPlease write down what you know about animal communication.
Thank you!
