课件30张PPT。What's wrong with the earth?why?Lesson 46:
Protect Our EnvironmentAir PollutionSeveral kinds of pollution:factory
[?f?kt?ri]
n.工厂Water pollutiontap [t?p]
n.龙头;阀门leak [li?k]
v.漏,渗漏
n.渗漏Plastic pollutionrecycling
[ri:?saikli?]
n.回收利用A truck is picking up plastic bags.[tr?k] n.货车 手推车 beer
[b??]
n.啤酒pop cansNoise pollutionThe sky is blue, and the air is clean. There are many trees in this place. So it makes us feel happy and easy.We should___________________.protect our environment1. What do people waste most in Edmonton?
A. water B. paper C. energy
2. What points are mentioned in the lesson?
take short showers
recycle and sort
reuse plastic bags
ride bikes or take buses
turn off the lights
Listen carefully and answer√√√√√Reading1. Edmonton is a clean city. ( ) T / F
2. "We reuse our plastic bags" means that we
use them _______________________.
3. A bike is _______ other types of transportation,
because it doesn’t make any pollution.
4. Do buses make more pollution than cars?
5. In fact, if each of us makes a small change in
our life, we can make a big difference to our
environment. (Translate the sentence.)
Tagain and againunlikeRead and answer事实上，如果我们每个人都能在生活中改变一点，我们就能影响我们的环境。unlike
[?n?laik]
prep.不像,和…不同No, they don't.We use them again and again, or we put other garbage in them.
【点拨】again and again 再三地；反复地
【例】He asked me the same question again and again.
他反复地问我同样的问题。拓展延伸2.In fact, if each of us makes a small change in our life, we can make a big difference to our environment.
make a difference “有影响，起作用” 常与to 连用，即： make a difference to 对…..产生影响
make no difference 没有影响；无关紧要What you do now can_____ _____ ________ __________ ____ your future.你现在的所作所为对你的将来有很大的影响。
make a bigdifference toHow do you protect our environment
in your daily life?What can we do to help the environment? Read and match.We should We shouldn’t open a window instead of turning on the air conditioning.use both sides of the paper.throw garbage on the ground.sort the waste before throwing it away.cut down trees in forests. turn off the tap when we are brushing our teeth.1. _______________ the lights after we use them.
2. Collect cans and paper, sell them for _____________.
3. Try our best to plant more _____________.
4. Go to school ___________________.
5. Use ___________ sides of the paper.
6. We _____________ throw litter away everywhere.Discuss: Can you tell more ways to protect the environment?Turn offrecyclingtreesby bike/ on foot/ by busbothshouldn’tShow and tellChallenge time (Review)
Choose your favourite colour to answer the questions, and different colours represent different scores.How to translate“工厂” ？You can score directly!
你可以直接得分哦！
Make sentences by using “ make a difference to”.
用”make a difference to”造句。
How do you protect our environment
in your daily life?
你在日常生活中是如何保护环境的?What does Katie do to save water?
Katie是如何节约水源的？How do you go to school?Result1 score1 score2 scores4 scores3 scores3 scoresWhich student got the highest scores?渗，漏________________
水龙头_______________
啤酒_______________
货车, 手推车_______________
工厂_______________
n. 回收利用_______________
prep. 不像，与……不同_______________
再三地；反复地________________
对……产生影响___________________unliketapbeertruckfactoryrecyclingleakagain and againmake a difference to Everyone make a hand-written newspaper about how to protect the environment.
Homework
Thank you.
