高中英语 Unit7 lesson2(The Sea)Protecting the Sea课件3 北师大版必修3 课件VIP专享VIP免费

Protecting the Sea Lesson 2I am sailingDiscussion2.What do you think are the causes of sea pollution?3.What are the solutions to the problem?1. What is sea pollution?Key words:pollute, pollution, over-fishing, industrial waste, agricultural waste, plastic, oil, chemicals, rubbish, ban, deal with a problemWhat’s the subject of zhi Hong’s science project?What are the problems about?the first part It is about protecting the sea.First, there's . Second, there's .pollutionover-fishingthe second part What causes over-fishing?Are there more fishermen catching more fish?That's when people fish and the number of fish too low. Some fish may disappear .too muchfallsaltogetherthey hope to catch more fish, but there are less fish to catch.the third part What causes pollution?All sorts: chemicals, , , oil; most of them come from agricultural and waste. plasticrubbishindustrialWhat solutions does government do to pollution?Government departments look for ways to pollution, keep a record of of pollution, finding where it comes from , people who have broken the law. reducelevelspunishingthe fourth partThe government tries to the number of that people can catch.They also try to people to get other kinds of .What solutions for over-fishing?controlfish helpjobsthe fifth part1.Really?2.Do you mean3. It sounds like4. Are they?5. Yes , I suppose it must be.6. That’s a good idea!Q5Fang zhou is asking Zhi Hong about her science project.FZ: Hey, Zhi hong, what did you do for your science project?ZH: I did something about protecting the sea.FZ: Protecting the sea from what?ZH: Well, first, there's pollution. That's big problem. And second, there's over-fishing.FZ: What's over-fishing?ZH: That's when people fish too much and the number o...