unit 7 peotecting the sea[上学期]

课件28张PPT。
Lesson 2 Protecting the SeaTeaching aims:1.To practice listening for specific
information
2.To practice using abbreviation for notes
3.To practice some communicate skills◆ How can we use the sea?◆ Do you think it’s important to us? Why?◆ Do you think the sea as clean as before?◆ What make it so polluted?Lead inover fishing !industrial waste !agricultural waste !plastic !oil !chemicals !rubbish !How can we protect our sea ?Cooperation Listening strategies:1.know what to do
2.make notes
use abbreviation
3.use headings and
topics to help
4.use question mark to remind youFishermen hope to catch more fish, but there are less fish to catch, and they can. ( F ) ( T )( F )( T )2. All sorts can cause pollution: chemicals, plastic, rubbish, oil, most of them come from industrial and agricultural waste.
3. it’s quite easy to find who’s responsible for pollution. 4. They also try to help people to get other kinds of jobs so there are less people trying to make a living from fishing. B:I did something about protecting the sea.
A: ________the sea from what?
B: Well, first there’s_______. That’s a big problem. And second, there’s____________.
A: What’s over-fishing?
B: That’s when people fish too much and ______________fish falls too low. Some fish may __________altogether.Protecting pollutionover-fishingthe number ofdisappearA: Are they?
B: Yes, some look for ways to ______ pollution, some ___________of levels of pollution, other departments are __________for finding where it comes from and punishing people who have _____________ by causing pollution. Of course, often it’s quite _______to find who’s responsible for pollution.reducekeep a recordresponsiblebroken the lawdifficultA: Yes, I ________it must be. What about___________? What can be done about that?
B: The government tries to ______the number of fish that people can catch. In the worst areas they _____fishing completely for a few months ________so that the fish numbers can grow again. They also try to help people to get other kinds of jobs so there are less people trying to ____________from fishing.supposeover-fishingcontrolbanat a timemake a livingpollutionover-fishingToo many fishermen in the same place,
better technology can catch more fish.Chemical, plastic, rubbish, oil, industrial
waste, and agricultural waste. Government departments look for ways to
reduce pollution, keep a record of level of
pollution, finding where it comes from,
punishing people who break the law.Control the number of fish that people can
catch, ban fishing completely, help people
to get other kinds of jobs.Interaction
Speaker Listener
Some fish can disappear (1)_________
Altogether.
…now there are too many (2)____________
fishermen fishing in the that there are more
same place. fishermen now than
there were before?
It mostly comes from
Industrial waste from (3)____________
factories and agricultural a big problem
waste from faming.
Really?Do you meanIt sounds likeSome government (4)________
Departments are trying
to deal with the situation.
…often it’s quite difficult (5)_____________
to find who’s responsible __________
for pollution.
They also try to help (6)________________
people to get other kinds
of jobs so there are less
people trying to make a
living from fishingAre they?Yes, I suppose
it must be That’s a good idea.Pronunciation: Showing Interest
Listen.Which words and sounds show that the listener is interested or not interested?
Yes?, ------ interested
Mm, were there?, ------
Mm, did you really?, ------
Mm ------
Yes?, ------
Really?, ------
Mm?, ------
Mm ------interestedinterestednot interestednot interested interestedinterestednot interested? 1.the number of; a number of
私家车的数量正在增长。
The number of private cars is increasing.
展览会的入口处有许多人。
There were a number of people at the entrance to the exhibition. Exploration? 2. Mostly adv. 大部分，主要地
almost adv. 几乎，差不多
南极大陆大部分地区覆盖着冰。
The continent of Antarctica is mostly covered with ice.
我们差不多见到了全体的学生。
We almost saw all of the students.? 3. deal with 处理；对付，应付
他指出必须立刻处理这个地区的水污染。
He pointed out that water pollution in this area
must be dealt with at once.
那个人很好（很难）相处。
That man is easy (difficult) to deal with.
? 4. responsible （常与to, for连用）有责任的；应负责任的
我们要为自己的行为负责。
We are responsible for our own action.
约翰负责组织晚会。
John is responsible for organizing the party.
? 5. ban v. 禁止

公共场合应禁止抽烟。
People should be banned from smoking in public places.
那条约禁止地下核试验。
The treaty bans underground nuclear test. Look at the list first.sea animals, water sport, history of sea travel, ports, sea fishing, science and the sea1.Which subject are you interested?
2.What do you already know about the subject?
3.What do you need to find out about the subject?
4.How can you find out more about the subject?
5.How will you present your project?Work in pairs. Tell each other about you projects.Useful expressions:
I’m interested in ….
Oh,really?
Mm,I see.
I’m going to …/I will …
That sounds great!Thank you !