(共15张PPT)
Unit 4 Astronomy:
the science of the stars
Learning Aims:
? To realize the importance to protect the environment.
? To know how to protect the environment.
?To improve students' writing skills.
Discussion
Think about the following questions.
1.What problems are humans causing?
2.What should we do to save the earth?
*Ice melts
*Greenhouse effect
*Pollution
*Acid rains……
*Kill animals
*Global warming
What problems are humans causing?
putting too much carbon dioxide into the atmosphere
the earth may become too hot
The earth is in danger!
Let’s do something to save the earth!
What should we do to save the earth?
protect the environment
protect the animals
plant trees
Solutions
reduce waste
reuse things
pass laws
recycle paper, bottles and plastic
Structure
Para1(Beginning):To come up with the problems.
Para2(Body):To find out the solutions to solve the problems.
Para3(Conclusion): …
书面表达:
假设联合国教科文组织正在举行“保护地球”英文征文活动,请以“Save the Earth”为题写一篇80词左右的短文。内容要点包括:
1、人类导致的问题;
2、解决办法;
3、…
注意:短文必须包括所有要点,适当发挥,使短文连贯通顺;开头和结尾已给出,不计入总词数。
Save the Earth
Our earth was healthy and beautiful in the past . however,______________________________________________________________________________________________________________
Writing Time !
Evaluation(评价标准)
?Is your words enough? (词数是否足够)
? Are your ideas clear and to the point? (要点是否清晰)
? Have you used linking words properly? (是否使用连接词)
? Is the tense right? (是否时态正确)
? Is your spelling and grammar correct? (是否有拼写和语法错误)
? Is your handwriting good? (是否书写整洁)
例文:
Save the Earth
Our earth was healthy and beautiful in thepast. However now it's getting dirtier and warmer.Natural disasters happen more often than before.Animals and plants are in danger.
Why does all this happen? First, there are more and more people on the earth. Second, people keep cutting down forests and killing animals for their fur and bones. Moreover, ...
What can we do to protect the earth? I think everybody can do something to help save the earth. For example, we shouldn't eat wild animals. We should plant more trees. What's more, we should encourage people around us to do so.
I hope our earth will bacome more and moer beautiful if we take action to protect it.
Please try your best to find out the mistakes with your partners in your writing and correct them.