资源简介

(共18张PPT)
Unit 5
We have only one earth
02. Protect the earth
Let's talk about
1. Do you know the Earth Day（世界地球日）
2. What can we do to protect the earth
See the video(世界地球日)
世界地球日
The Earth, our home, is facing serious challenges. Climate change, environmental pollution, resource depletion and other issues are becoming increasingly serious, our mother Earth is crying, she needs our protection. We live on this beautiful planet and enjoy the blessings of nature. However, we also face many environmental problems, such as climate change, resource depletion/d pli n/ and so on. These problems not only threaten our survival and development, but also affect the future of descendants.
地球，这个我们生存的家园，正面临着严重的挑战。气候变化、环境污染、资源枯竭等问题日益严峻，我们的地球母亲在哭泣，她需要我们的保护。我们生活在这个美丽的星球上，享受着大自然的恩赐。然而，我们也面临着许多环境问题，如气候变化、资源枯竭、等等。这些问题不仅威胁着我们的生存和发展，也影响着子孙后代的未来。
02
Listening & Speaking
1. Listen and choose. 听录音，选出对话的主题。
How to use a computer
How to save energy

02
Listening & Speaking
02
Zhou Bo: I’ve joined the Earth Protection Project at school.
Wu Lin: What’s it about
Zhou Bo: It calls on people to change their daily habits to protect the earth.
Wu Lin: For example
Zhou Bo: I used to leave my computer and television on standby when I slept.
Wu Lin: Oh, that’s really a waste of energy.
Zhou Bo: Now I turn them off as soon as I finish using them.
Wu Lin: Good for you. I used to run the water while brushing my teeth, but now
I turn it off.
Zhou Bo: You are right. Every small action is of great help.
中文翻译
Listening & Speaking
T I P
02
周博：我加入了学校的保护地球项目。
吴琳：它是关于什么的？
周博：它号召人们通过改变日常习惯来保护地球。
吴琳：比如说？
周博：我以前睡觉时总是让电脑和电视保持待机状态。
吴琳：噢，那真是浪费能源。
周博：现在我一用完就把它们关掉。
吴琳：做得好！我以前刷牙时经常开着水龙头，但是现在我都把它关掉。
周博：你做得对。每一个小的行动都有大帮助。
题目
Listening & Speaking
02
Listening & Speaking
2. Listen again and complete. 再听录音，了解日常环保行为，填写下图。
听力原文
Turn them off right after using them
Turn it off while brushing teeth
Language Focus 语言重点
- "call on"：号召
e.g.
Eating junk food is bad for your health. 吃垃圾食品对你的健康有害。
- call on sb. 拜访某人
e.g.
I called on the Smith yesterday. 昨天我拜访了史密斯一家。
句子1: It calls on people to change their daily habits to protect the earth.
它号召人们通过改变日常习惯来保护地球。
Language Focus 语言重点
- "used do sth. "：曾经；过去常常做······
e.g.
I used to live in Rizhao. 我曾经在日照住过。
- be used to doing sth. 习惯于，适应于
e.g.
I used to read books at home, but now I'm used to doing resding in the library. 我过去常常在家看书，但我现在习惯在图书馆看书。
句子2: I used to leave my computer and television on standby when I slept.
我以前睡觉时总是让电脑和电视保持待机状态。
Language Focus 语言重点
- "on standby "：待机，待命
e.g.
Every department was put on standby after that. 在那之后，每个部门进入了待命状态。
句子2: I used to leave my computer and television on standby when I slept.
我以前睡觉时总是让电脑和电视保持待机状态。
Language Focus 语言重点
- "turn off "：待机，待命
e.g.
Don't forget to turn off the light after use. 使用完之后，不要忘记关灯。
- 短语辨析
turn on 打开
turn up 调高
turn down 调低
句子3: Now I turn them off as soon as I finish using them.
现在我一用完就把它们关掉。
02
练一练
The baby is sleeping. Could you please ____ the radio
A. turn on B. turn off C. turn up D. turn out
答案：B
02
3. Work in pairs. 两人一组，根据提示分享并讨论环保的生活方式。
Listening & Speaking
use plastic bags（用垃圾袋） sort refuse （垃圾分类）
eat tak eaways（吃外卖）eat at the school canteen （在餐厅吃饭）
drop litter （乱扔垃圾） use cloth bags（使用布袋）
Dos
Don’ts
sort refuse,
eat at the school canteen,
use cloth bags
use plastic bags,
eat takeaways,
drop litter
Class review
call on
used do sth.
on standby
turn off
Key sentences:
1.It calls on people to change their daily habits to protect the earth.
2.I used to leave my computer and television on standby when I slept.
3. Now I turn them off as soon as I finish using them.
See you next part!

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