外研 高中英语必修4 Module7 ENVIRONMENT(共31张PPT)

nmental protection
Problems Causes Solutions
Task 1：Working together
1. All the Ss will be redivided into 4 groups according to colors.
2. Students who hold handouts with the same words on them sit together.
Choose a representative in your group to introduce the plan with the help of your mind map.
Writing tips 1: on the back of your handout
Stating problems
3.heavy metal exists in soil
1.Waste water into land 2.garbage and plastics in landfill factory gas
1.be educated and made aware of the harmful effects of littering 1.Buy
Use the sentence patterns provided to state the environmental problems
•____________ is becoming more and more ___________ all over the world. •For example/instance, ______________________. •Nowadays, ________ have been greatly ___________. •With the development of _______ and _________, •It is common to see ____________. •When it comes to__________
1.adopt new forms of energy as alternatives 2.develop green means of transportation 3.cleanup of oil spills（原油泄漏）
1.make crops harmful to our health
2.Plastic bags and bottles buried in the soil
Task 2：Challenging yourself
1.Every group will have 3 representatives to state the 3 aspects (problem)
2.While listening, others write down as many points as possible on your handout about the topic.
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Expressing your creativity
1. Look at the pictures of a traditional Chinese wedding ceremony and brainstorm the problems, causes and solutions 2. make a mind map of a Green Wedding.
3. Work together in the small group to collect as many words and phrases as possible since you’ve learnt many related to the topic.
people wearing masks
Environmental problems
Our city is losing its original colors.
ENVIRONMENT
Objectives
At the end of the class，we’ll be able to
a. easily recall related expressions when describing environmental protection. b. use the expressions properly. c. raise awareness of environmental protection in daily life.
Writing tips 2:
Presenting causes
Use the sentence patterns provided to state causes.
First
There are several causes for…
• To start
because/since/as
• To begin with
water
2.carbon
1.Do not throw
emission
chemicals, oils,
3.uncontrolled down the sink.
factory gas
e safe cleaning
4.burning of low liquids
quality coal
4.plant more trees
CEhxapllernegsesyionugr cyreoautivritsye. lf Green Wedding
Work in groups of four. Create a mind map or a tree or whatever to show us a Green Wedding.
• There are several measures for us to______ • ______ measures should be taken to _______ • It’s high/about time that sb ______(do/does/did/should do) sth. • To _________ our environment, • ___________ has began to pay more ________ to ….. • limit the use of _________ • We should__________ • It’s our duty to __________
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HOMEWORK
Work together polishing up your writings and hand in your Green Wedding plan.
crude oil
spills (原油
泄漏)
Never dump motor oil and chemicals on the ground.
Problem Problem Problem Problem Cause Cause
Example: Group 3
Cause Cause Solution Solution Solution Solution
air pollution water pollution land pollution daily wastes
1.smog 2.haze 3.lung cancer 4.mask 5.pm2.5
e water wisely，
1.exhaust gas reducing waste
from cars
because of/due to
• Second
on the ground that
• Next
• Another reason
• Finally
• Lastly
• Most importantly
• One last reason
Writing tips 3:
Giving solutions
Use the sentence patterns provided to give solutions.
to purify air
1.no access to safe drinking water
2.dirty water into river
3.dead fish
4.oil flow on the sea surface
1.acid rain 2.oil spillage 3.untreated dirty household water