北师大版八年级下册英语课件：Unit2Lesson4
mice
Reading Read the text.
Find out the 3 main methods of animal communication.
•By smell •By sound •By body language
Fill in the blanks
Fill in the blanks
through face-to-face communication
Warm-up
Use the key words to describe these photos.
When do we communicate with others?
Two people are using a computer.
1 Animals can help us a lot.
Examples
Dogs have helped the police for a long time. They can find missing people by using…
Scientists have trained mice to find landmines.
北师大版八年级下册英 语课件：Unit2Lesson4
Brainstorm
How do we communicate with other people?
by email
by by mobile phone
Our ways of communication
by sign language
by body language
2 People have always been interested in animal communication.
Talking
Can you answer these questions?
1 How do scientists study animal communication?
They have done a lot of research on this subject.
2 What have scientists done with mice so that they can help people?
3 ATrheepyehopalveeintrteariensetdedminicaenitmo aflincdomlamnudnmicianteiosn. now or
Reading
Read with the speaker.
Your opinion
How is human communication different from animal communication?
I think …
Talking
Why do people want to study animal communication?
Jane Roberts
Байду номын сангаас
Warm-up
Do you know these animals?
insects
whales
ant
bees
How do they communicate with their friends? I think ants communicate by body language.
for a long time? How do you know?
People have always been interested in animal
communication.
for a long time
Maybe they’re writing a or sending an email.
Warm-up
Do animals need communication?
Warm-up
My dog is in the garden. He’s wagging his tail, his mouth is open and he is looking at me. What is he trying to tell me?
合集下载
北师大版八年级英语下册Unit 2 Communication Lesson 4 Animal Ta
studied 2. an area of knowledge that is learned in a school
Can you answer these questions?
1 How do scientists study animal communication?
They have done a lot of research on this subject. 2 What have scientists done with mice so that they can help people?
• Scientists have discovered that even ants communicate this way.
• Everyone has heard birds singing.
现在完成时
主语+
助动词+
I/ You/ We/ __h_a_v_e___
They
He/ She/ It __h_a_s____
北师大版《初中英语》八年级下册
Unit 2 Communication Lesson 4（第二课时）
by smell
by sound
by body language
the ways the purposes
subject
mad mad sound subject
sound
Dictionary entries
有古
一人
个云
在：
路“
上读
。万
”卷
从书
古，
至行
今万
，里
学路
习。
和”
旅今
行人
都说
是：
Can you answer these questions?
1 How do scientists study animal communication?
They have done a lot of research on this subject. 2 What have scientists done with mice so that they can help people?
• Scientists have discovered that even ants communicate this way.
• Everyone has heard birds singing.
现在完成时
主语+
助动词+
I/ You/ We/ __h_a_v_e___
They
He/ She/ It __h_a_s____
北师大版《初中英语》八年级下册
Unit 2 Communication Lesson 4（第二课时）
by smell
by sound
by body language
the ways the purposes
subject
mad mad sound subject
sound
Dictionary entries
有古
一人
个云
在：
路“
上读
。万
”卷
从书
古，
至行
今万
，里
学路
习。
和”
旅今
行人
都说
是：
北师大版初二英语八年级下册全册优质课件
robot
television
radiotelephoneSchools of the Future
robot teacher
smart ID
online learning
1st-reading
• Find out the main idea.
The delevopment of the schools in the future.
Teachers will give homework online in the future. Parents can Q: What will people online in thethe future? check their child’s work anddo their marks through Internet. The system will also allow students to see teaching videos and notes online.
These robots help students do with their Q: What will will robot teachers in the future? homework.
2nd-reading 2 New Ideas for Classes
• Many teachers do not believe there will be traditional classes or classrooms. Each student in a class might study different materials at the same time. Classrooms might be in open areas and use large LCD screens.
初中英语北师大版八年级下册《Unit 2 Communication Lesson 4 Animal
now
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.
Dogs have helped the police for a long time, too.
Scientists have discovered that even ants use smell.
Everyone has heard birds singing.
过去分词
learned said seen been
since 7 years ago
have has been
is
has bitten barks
have found take
• 1 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
communication.
for a long time
Can you answer these questions?
They have done a lot of research on this subject.
began in the past
They have trained mice to find landmines.
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.
Dogs have helped the police for a long time, too.
Scientists have discovered that even ants use smell.
Everyone has heard birds singing.
过去分词
learned said seen been
since 7 years ago
have has been
is
has bitten barks
have found take
• 1 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
communication.
for a long time
Can you answer these questions?
They have done a lot of research on this subject.
began in the past
They have trained mice to find landmines.
2019Unit2Lesson4第1课时教学课件教育英语
Ways of Kinds of Why do they communicate?
communi animals
-cation
by smell dogs
to learn about other dogs
mice
ants
to tell other ants where the food is
by sound frogs
Two people are using a computer.
Maybe they’re writing a blog or sending an email.
Do animals need communication?
My dog is in the garden. He’s wagging his tail, his mouth is open and he is looking at me. What is he trying to tell me?ຫໍສະໝຸດ by text message
Our ways of communication
through face-to-face by sign language by body language communication
Use the key words to describe these photos. When do we communicate with others?
mice ants by sound
Why do they communicate?
by body language
Ways of Kinds of Why do they communicate?
communi animals -cation
北师大版八年级下册Unit 2 Lesson4Grammar(共40张PPT)
2. 现在完成时的否定句: 主语 + have / has + not + 过去分词+ …
I / They / We / You
He / She / It
have (not)
moved. has (not)
I have not seen the movie yet. He hasn’t been to Beijing since then.
girl.
A. know
B. had known
C. have known
D. knew
4. It’s two hours since David ___A___ the
office. So we guess he ______ home.
A. left, has arrived
B. had left, has arrived
现在完成时与一般过去时的区别
现在完成时表示的是与现在有关联的过去 事件；而一般过去时则与现在毫无关系，只 是单纯的过去的情况。比较：
I have lost my pen, so I have to buy one. 我丢了钢笔，所以得去买一支。
I lost my pen, but found it later. 我丢了钢笔，但后来找到了。
3. just, already, ever, never是完成时态的时间 状语，而just now / a moment ago 是一般过去 时的时间状语。
The train has just arrived. 火车刚到。
Did you see Joan just now? 你刚才看到琼了吗？
Have you alread经收到家人的来信了吗？
北师大版英语八年级下册 Unit 2 Lesson 4 Animal Talk 课件(30张PPT)
狗也协助警察很长时间了。通过利用他们 卓越的嗅觉，他们可以失踪的人们。老鼠 也有很杰出的嗅觉。科学家们训练它以寻 找 。科学家们还发现甚至是蚂蚁也利用 嗅觉。他们利用嗅觉告诉其他蚂蚁食物在 哪。
每个人都听过鸟唱歌。研究表示多数鸟类 通过声音来沟通。青蛙和昆虫通过声音沟 通，通常雄性通过声音来吸引异性。
That’s all!
THANKS
Animals have always used body language to communicate as well. When a cat puts its ears back, it is a bit mad. When it was sits with its tail around itself, it is happy. When a dog puts its tail under its body, it is scared. When it wages its tail and opens its mouth, it is happy. So I think my dog is happy right now.
现在完成式(Then Present Perfect Tense)
for: +一段时间 （for a year for two weeks for three years）
since
过去的某一时刻, since nine since last week
一般过去时态的时间状语从句 since you came since you got home.
My dog is in the garden. He is wagging his tail, his mouth is open and he is looking at me. What is he trying to tell me? Jane Roberts reports.
北师大版英语八年级下册Unit2 Lesson4 Period2 参考课件
began in the past
People have always been interested in animal communication.
for a long time
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.
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.
现在完成时
主语+ I/ You/ We/ They He/ She/ It 助动词+ 过去分词 learned said seen been
Find more sentences in the text.
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.
北师大版八年级英语下册Unit 2 Communication Lesson 4 Animal Ta
Ways of Kinds of Why do they communicate?
communi animals
-cation
by smell dogs
to learn about other dogs
mice
ants
by sound frogs
insects
whales
elephants
by body cats language dogs
-cation
Ways of communi -cation
by smell
Kinds of animals
Why do they communicate?
by sound
by body language
Ways of Kinds of communi animals -cation
by smell dogs
Jane Roberts
Do you know these animals? insects
whales
ants
bees
mice
How do they communicate with their friends? I think ants communicate by body language.
Read the text.
Find out the 3 main methods of animal communication.
By smell By sound By body language
Ways of Kinds of Why do they communicate?
communi animals
Ways of Kinds of Why do they communicate?
北师大版八年级下册Unit2 Lesson4Warming up and reading(共42张PPT)
Yes. First, I think ...
My opinion is ...
Well, I think so.
Read the words and meanings in the blank.
Word
Meanings
mad sound subject
(adj.) 1. angry 2. crazy
Listen and read the key words in the blank.
blog body language email face-to-face conversation
letter mobile phone postcard sign language telephone text message
by postcard
by sign language
by telephone
by text message
Look at the pictures and answer questions.
Do you know these animals? How do these animals communicate? Try to guess their way of communication.
Can you tell the author what the dog is trying to tell?
The dog is trying to tell that it is very happy.
Read the text and check with T or F.
No one has researched about animal communication.
Dogs only communicate by smell.
My opinion is ...
Well, I think so.
Read the words and meanings in the blank.
Word
Meanings
mad sound subject
(adj.) 1. angry 2. crazy
Listen and read the key words in the blank.
blog body language email face-to-face conversation
letter mobile phone postcard sign language telephone text message
by postcard
by sign language
by telephone
by text message
Look at the pictures and answer questions.
Do you know these animals? How do these animals communicate? Try to guess their way of communication.
Can you tell the author what the dog is trying to tell?
The dog is trying to tell that it is very happy.
Read the text and check with T or F.
No one has researched about animal communication.
Dogs only communicate by smell.
2018秋期八年级英语下册 Unit 2 Lesson 4 Animal Talk课件 (新版)北师大版
mice
Reading Read the text.
Find out the 3 main methods of animal communication.
•By smell •By sound •By body language
Fill in the blanks
Fill in the blanks
Reading
Read with the speaker.
Your opinion
How is human communication different from animal communication?
I think …
Talking
Why do people want to study animal communication?
Maybe they’re writing a blog or sending an email.
Warm-up
Do animals need communication?
Warm-up
My dog is in the garden. He’s wagging his tail, his mouth is open and he is looking at me. What is he trying to tell me?
Unit2Lesson4
AnimalTalk
Brainstorm
How do we communicate with other people?
by email
by blog
by mobile phone
Our ways of communication
by sign language