资源简介

(共26张PPT)
Section B 1a–1c
Unit 4 Amazing Plants and Animals
Pre-reading
While-reading
Post-reading
Lead-in
1a
Look at the title and the pictures below. Guess what the text is about.
pollination n. 授粉
/ p l ne n/
honeycomb n. 蜂巢
/ h niko m/
没有蜜蜂，我们无法生存
Pre-reading
While-reading
Post-reading
Lead-in
1a
Read the passage quickly and silently ,
then answer the question.
We Can’t Live Without Bees
What did you get from the passage
A. An interesting story about bees .
B. Different opinions about bees .
C.Some facts about bees.
It is an expository text.说明文
popular science essay 科普文
Pre-reading
While-reading
Post-reading
Lead-in
A popular science essay
Introduction
Body
conclusion
To understand the structure,we need to find the Key sentences:(关键句)
They are the most important sentence in a paragraph.
They summarize main idea and often lead or end the paragraph.
where can we usually find them
Pre-reading
While-reading
Post-reading
Lead-in
Quick Scan
Read the text quickly, and underline the topic sentence of each paragraph.
Reading Tip2
The topic sentence of a paragraph introduces the main idea.It is usually at the beginning or the end of the paragraph.
Bees' connection
Bees' importance
Bees' interesting traits（特点）
Bees’ problem
Pre-reading
While-reading
Post-reading
Lead-in
what is the structure of the passage
introduction
body
conclusion
Read the text and underline the adjectives the writer uses to describe bees.
hard-working
the most important
the most interesting
interesting
important
the most amazing
1b
划出描述蜜蜂的形容词
Pre-reading
While-reading
Post-reading
Lead-in
hard-working
the most amazing
the most important
the most interesting
So bees are......
Why does the writer
use these adjectives to describe bees Let’s read and find the supporting details.
Read the para.1 quickly and answer the question.
Imagine you go to the supermarket in your area, but there are almost no fruits, vegetables, honey, milk, eggs, or chocolate. How would you feel Disappointed Angry Sad At this moment you realize people, plants, and animals are all connected. We need each other to live and bees are one of the best examples of this connection.
Q: How does the writer start the text
A. By giving an example.
B. By describing a scene(场景) and asking a question.
C. By Listing facts.
D. By telling a story.
Pre-reading
Lead-in
While-reading
Post-reading
Read the para.1 and answer the question.
Imagine you go to the supermarket in your area, but there are almost no fruits, vegetables, honey, milk, eggs, or chocolate. How would you feel Disappointed Angry Sad At this moment you realize people, plants, and animals are all connected. We need each other to live and bees are one of the best examples of this connection.
Because people, plants, and animals are all connected. We need each other to live and bees are one of the best examples of this connection.
Q: Why do we say “We Can’t Live Without Bees. ”
Pre-reading
Lead-in
While-reading
Post-reading
Pre-reading
Lead-in
While-reading
Post-reading
People
animals
Plants
All connected
Bees are one of the best examples of this connection.
Pre-reading
While-reading
Post-reading
Lead-in
Bees help with pollination.
Bees visit flower A and collect nectar.
Pollen sticks to their bodies
Bees take pollen to flower B, some pollen falls off.
So pollination is done.
Pre-reading
While-reading
Post-reading
Lead-in
Read Para. 2 carefully and fill in the blanks.
Main ideas Bees are very hard-working animals. Bees are the most important animals on this planet.
Supporting details Bees’ greatest work: ____________. Bees visit _________ ______ on each trip. Bees take _______ with them as they fly from one flower to another. Bee’s work can helps __________.
Without Bees’ work, ______________________ ______________________________________.
Main ideas Bees are very ____________animals. Bees are the _____________ animals on this planet.
Supporting details Bees’ greatest work: ____________. Bees visit _________ ______ on each trip. Bees take _______ with them as they fly from one flower to another. Bee’s work can helps __________.
_________bees, about 80 per cent of the world's plants cannot grow.
pollen
plants grow
50 to 100 flowers
pollination
Without
hard-working
most important
Pre-reading
Lead-in
While-reading
Post-reading
Bees
hard-working
most important
greatest work is pollination.
visit 50-100 flowers on one trip.
Bees take pollen from one flower to another.
help plants grow
without bees 80% plants can’t grow
Pre-reading
While-reading
Post-reading
Lead-in
Bees are also one of the most interesting animals in the world. For example, they work hard together to make their homes. In order to store honey, they create honeycombs. Another interesting thing about bees is how they communicate. When a bee finds new food, it uses a dance to tell the others where and how far away the food is.
Focus on Para.3 and answer the questions.
True or False
( )1.Bees work alone to build their homes.
( ) 2.The main purpose of honeycombs is to store honey.
( )3.Bees use a special dance to tell other bees about a new food source.
( )4.The bee's dance communicates the location of the food but not the distance.
F
T
T
F
Pre-reading
Lead-in
While-reading
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most interesting
They work hard together to make their homes.
In order to store honey, they create honeycombs.
Another interesting thing about bees is how they communicate. When a bee finds new food, it uses a dance.
Pre-reading
While-reading
Post-reading
Lead-in
Bees play an important part in the ecosystem of our planet. However, the number of bees is dropping, and scientists are worried. Bees need our help, and there is a lot we can do. Think about what you can do to protect one of the most amazing animals on earth.
Focus on Para.4 and find the problems of bees.
1.What is the big problem with bees
The number of bees is dropping
A. Bees only communicate by dancing.
B. Without bees, people can still live well.
C. The number of bees is increasing these years.
D. Protecting bees is very important for the ecosystem.
2.What can we infer from the last paragraph 推理判断题
Pre-reading
While-reading
Post-reading
Lead-in
Bees play an important part in the ecosystem of our planet. However, the number of bees is dropping, and scientists are worried. Bees need our help, and there is a lot we can do. Think about what you can do to protect one of the most amazing animals on earth.
Focus on Para.4 and find the problems of bees.
The number of bees is dropping
Our help.
Why is the number of bees dropping
Pre-reading
While-reading
Post-reading
Lead-in
Watch the video---Why are the bees dropping
Habitat loss （栖息地丧失）
Pesticide use（农药使用）
Climate change （气候变化）
Plant more trees and flowers.
Not use too many chemicals
Build a habitat for bees in your garden.
What can we do to protect bees
Tell our family and friends the importance of bees.
Pre-reading
While-reading
Post-reading
Lead-in
discusion
Pre-reading
While-reading
Post-reading
Lead-in
pollination
50-100 flowers on one trip
plants grow
create honeycombs to store honey
use a dance to tell the others where and how far away the food is
dropping
Retell
Save Plants and Animals Today，
Secure Our Tomorrow.
Exercise-填空题
Bees are one of __________________(interesting) animals in the world.
How are plants and animals ______________(connect) with us
I felt ______________(disappoint) when my favourite flowers died.
They teach you how to plan your time well or how to find ___________(happy).
We should understand the ___________(important) of labor.
connected
disappointed
happiness
importance
the most interesting
Homework
Goodbye,
my friends!
Must-do
1. Imagine you’re a bee and introduce yourself based on the mind map in 1c.
2. Preview the text of The Blue Whale.
Choose-to-do
Make a poster about how to protect your favourite plants or animals.

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