Unit 13We're trying to save the earth Section B 3a-Self Check课件（共28张ppt) 人教版英语九年级全一册

Unit 13
We're trying to save the earth!
Section B (3a~Self Check)
新课导入
Free talk
What is the picture about?
What do you think about it?
What caused the problems?
2
1
能熟悉并能正确运用本课时的重点单词和短语
能使用派生、合成等方法构成新的单词
3
能书写有关提出保护环境的建议的书信
Review
知识梳理
1.停止乘小汽车 ______________________
2.用纸巾 ______________________
3.用垃圾建房子 ______________________
4.经营小生意 ______________________
stop riding in cars
use paper napkins
build a house out of rubbish
set up a small business
5.旧玻璃瓶 ___________________
6.一个有创意的大脑 ___________________
7.回收纸 ___________________
8.好好利用 ___________________
9.倒置 ___________________
Review
old glass bottles
have a creative mind
recycle paper
put to good use
upside down
重点探究
能书写有关提出保护环境的建议的书信
3a Think about the environment in your town/city and complete the chart below.
Which parts of the town/ city have a nice environment? Why are they nice?
Which parts need to be improved? Why?
Good environment
Why
Bad environment
Why
park
the air is clean
streets
so many trees
restaurants
clean and tidy
river
a lot of rubbish
so many cars
air
too many
factories
streets
人类是自然环境的产物，自然环境又养育着人类，人类与环境就像鱼和水一样，有着密切的关系，但是目前全球范围的自然环境遭到了严重破坏。保护环境就是保护地球和保护自己。
为了保护人类的摇篮——地球，让我们一起共同努力吧！
佳篇品读
The pupils and teachers at Fairfield School think it's necessary to protect the environment! This is what they've been doing.
Growing vegetables
Fairfield School pupils started their own vegetable garden.
Both children and teachers grow vegetables, and then they pick them.In this way, school dinners are more delicious than ever before.
佳篇品读
Recycling
The Fairfield School pupils don't just bring their books to school — they bring their rubbish too! There are recycling bins (回收箱) in the playground for cans, plastic bottles and paper. The teachers give a prize every month to the pupil who's tried hardest to recycle.
Finding cleaner ways to get around
Everyone walks or rides a bike to Fairfield School! “It's cleaner to ride bikes than to drive anyway；even the teachers don't use their cars.” says one pupil.
阅读上面短文，根据短文内容，完成表格中的有关信息。
Ways
How to (1)_____________________
Growing
vegetables
★ Pupils at Fairfield School can enjoy delicious food by growing and (2)_______vegetables from their own garden.
Recycling
★ The pupils bring both their books and their (3)________to school.
★ The pupil who works hardest at recycling will (4)________________from the teachers.
Finding cleaner
ways to get around
★ Fairfield School asks teachers and students not to go to school (5)________.
protect the environment
get/receive a prize
by car
picking
rubbish
写作指导
综合上面阅读材料，请你思考：
一、写环保类的文章首先是要介绍环境污染的种类。主要有
_______, ________, _______ and ________ pollution.
二、 其次，周围的很多行为或事物导致环境污染。请你对
每种污染至少写出2条原因：
1. air pollution：__________________________________
2. noise pollution：________________________________
3. water pollution：________________________________
______________________________________________
4. waste pollution: _____________________________________
black smoke, smoking cigarettes
the traffic, loud music
water
air
noise
waste
washing clothes in the river, littering in the river, waste water from factories
using plastic bags, using throw?away chopsticks
三、上文保护环境的三个方法分别是：_________________，
________and____________________________．(填写英语)。
保护环境还有哪些做法？请至少写出三条：
1．_____________________________________________
2．_____________________________________________
3．_____________________________________________
take the bus or subway instead of driving
play a part in cleaning up the river
growing vegetables
recycling
finding cleaner ways to get around
reuse the old things
写作实践
我们生活的地球正面临着巨大的环境压力，如空气污染、水污染、固体废弃物污染、动物濒临灭绝等问题。因此，将环保行动渗透到日常生活是我们每个人的责任。请你选择其中的一个问题，自拟题目，写一篇英语短文，谈谈引起此问题的原因，并讨论公众如何从点滴做起来解决问题，使我们的世界变得更美好。
思路点拨
体裁: 说明文。
人称: 第一人称。
时态: 一般现在时。
思路构建
步骤
构思
列纲
1
选择你要讨论的环境问题
...I want to talk about...pollution
2
引起此问题的原因
Here are some reasons. First，...Second，...Third...
3
如何从生活的点滴做起来解决问题
There are some methods to solve the problem...
自我展示
Air Pollution Problem
At present, more and more people pay attention to the environment around us.As we know, the nice environment is good for our life and health. __________________________
_______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
However, there are some kinds
of pollution problems in our life, like air pollution, noise
pollution, water pollution and waste pollution.Now I want
to talk about the air pollution.
The air is badly polluted.Here are some reasons.First，
the factories that burn coal pollute the air with a lot of
black smoke. Second, more and more people take
____________________________________________ ____
_____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
cars to school or work.Third, some people smoke.
There are some methods to solve the problem.First of all, we should ask the factories to stop giving out black smoke into air. Next，we'd better ride bikes or walk instead of driving to school. The advantages of bike riding or walking are that it's good for health and it doesn't cost anything.If it's far，I suggest we take the bus.(高分句型) Besides, I think smokers shouldn't smoke in public. What's more，it's a good idea to plant more trees and flowers．(高分句型)
自我展示
____________________________________________ ____
______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
Planting trees not only makes air cleaner，but also makes our environment more beautiful．(高分句型)Finally, we need to recycle books and paper and stop using paper napkins.That can help us cut down fewer and fewer trees.
I think everyone should play a part in solving the air pollution problem.I'm sure that our actions can make a difference and lead to a better future.
1、本文内容丰富，采用总分总结构；
2、语言丰富，能够大量运用所学的词组。
点评：
自我展示
活动小结
通过以上的活动的学习，我们能书写有关提出保护环境的建议的书信在写作思路上需注意：
体裁：________________;
人称：________________;
时态：________________。
说明文
第一人称
一般现在时
Self Check
1 Write different forms of the words. Then add
more to each group.
重点探究
v.— n.
pollute —__________
act —__________
protect —__________
inspire —__________
build —__________
create —__________
pollution
action
protection
inspiration
building
creativity
farm —__________
sing —__________
travel —__________
drive —__________
run —__________
write —__________
farmer
singer
traveler
driver
runner
writer
n. — adj.
fame —__________
wood —__________
science —__________
health —__________
south —__________
care —__________
famous
wooden
scientific
healthy
southern
careful
rain —__________
cloud —__________
luck —__________
help —__________
color —__________
day —__________
rainy
cloudy
lucky
helpful
colorful
daily
adj.— n.
different —__________
important —__________
sunny —__________
noisy —__________
harmful —__________
beautiful —__________
woolen —__________
difference
importance
sun
noise
harm
beauty
wool
adj. — adv.
happy —__________
loud —__________
quiet —__________
heavy —__________
easy —__________
angry —__________
good —__________
happily
loudly
quietly
heavily
easily
angrily
well
slow —__________
wide —__________
sudden —__________
real —__________
quick —__________
true —__________
possible —__________
slowly
widely
suddenly
really
quickly
truly
possibly
2 Match each statement with the grammar structure.
Statement
Grammar
The river used to be so clean.
Present progressive
We have seen many changes in the environment.
Modal verbs
People should take public transportation more.
Passive voice
The river is polluted by factories.
used to
The air pollution is getting worse and worse.
Present perfect
3 Write ways to cut down on these kinds of pollution.
Kinds of pollution
Ways to cut down
water pollution
land pollution
noise pollution
air pollution
stop factories from
throwing waste into rivers.
Try not to use plastic bags when shopping
Cut down the number of cars.
Reduce the number of factories that burn coal.
活动小结
通过以上的活动，我们完成了Self Check的练习，能使用派生、合成等方法构成新的单词，可以完成以下单词的灵活转换：
v—_____; n.—_____; adj.—_____; adj.—_____;
n.
adj.
n.
adv.
课堂总结
能使用派生、合成等方法构成新的单词
能书写有关提出保护环境的建议的书信
Unit 13 Section B (3a~Self Check)