人教英语选修7Unit 3 Under the sea Using Language （共19张PPT）

(共19张PPT)
Unit
under the sea
--Using Language
A New Dimension of Life
Now, we are going on a snorkelling trip into the deep ocean!
Sea-slug
海蛞蝓
coral
Shark　鲨鱼
parrotfish 鹦鹉鱼
grey reef shark
灰礁鲨
Unit
under the sea
--Using Language
A New Dimension of Life
1.To develop students’ reading ability and let
them learn different reading skills.(重点)

2. To master the important useful new words
and phrases.（难点）
Learning aims :
Step1:Review some words and phrases
1.target 2.seaweed
3.reflect 4.suck
5.neat 6.urge
7.pension 8. help....out
9.upside down
10.be scared to death
11. be/become aware of
Read the diary entry quickly and then number the paragraph topics in the correct order.
Step2: Fast-reading
Topic Paragraph number
colors and shapes
dangers
reflecting
the reef's edge
a final thought
some sea creatures
2
4
1
5
6
3
Task1: Read the passage again and list the delights and dangers when snorkelling.
extraordinary
beauty
so many different
kinds of fish
small caves
dangerous fish
being attacked
Step3:Careful reading
delights dangers
1.seeing such _____________
______ under the sea 1. ________________
2. seeing __________________
___________ 2. ________________
by sharks
3. exploring ___________
under the sea
Task2:在文中找出相应的短语
1.reflect on________________
2.be/become aware of_____________________
3.(be) scared to death________________
4.____________醒来

5.________________靠近；接近
6. ________________上下翻转
认真思考，沉思
对...知道,明白,意识到
吓死了
wake up
get close to
upside down
1. In the diary, the author mainly wants
to tell us that _______.
A. what he saw in the sea
B. how the fish eat in the sea
C. the vivid colors in the sea
D. all the plants in the sea are poisonous
A
Read the text and choose the best answer.

Step4: Test now
2. What was hanging upside down in the sea
according to the text?
A. The orange and white anemonefish.
B. The yellow spotted red sea slug.
C. The yellow and green parrotfish.
D. The orange and blue striped angelfish.
C
3. When the author saw two _____, he felt
scared to death.
A. anemonefish B. parrotfish
C. sea-slugs D. sharks
D
4. How many kinds of creatures didn't the
author want to get too close to according
to the fourth paragraph?
A. Two. B. Three.
C. Four. D. Five.
B
Step5:Summary


In this class,we have learnt the part of
“Using Language”. The students' reading
ability and different reading skills were
developed .
Step6:Homework
1.To grasp the key words and phrases.
2.To find out the usage of the key words and phrases and master them.
3.To finish the exercises on the workbook.(P43--45)