英语七年级下册Unit 4 Save the trees.教学演示课件ppt

这是一份英语七年级下册Unit 4 Save the trees.教学演示课件ppt，共20页。PPT课件主要包含了课堂导入，课堂活动，Project等内容，欢迎下载使用。
Frests can keep the balance f carbn dixide and xygen in the air, and can als remve harmful gases frm the air, s they are called “the lungs f the earth”. S we must prtect frests
The lungs f the earth——frests
D yu knw which place it is?
It’s the Amazn rainfrest, the largest rainfrest in the wrld.
It is in Suth America.
Where is the Amazn rainfrest?
Hw large is it ?
It is very large cvering an area f 7 millin square kilmeters and spreads acrss nine cuntries.
Read the article belw abut the Amazn rainfrest. Then cmplete the ntes.
The Amazn rainfrestThe Amazn rainfrest in Suth America is the largest rainfrest in the wrld. It cvers five and a half millin square kilmetres f the Amazn Basin and spreads acrss nine cuntries.The Amazn rainfrest is very is imprtant because it is hme t thusands f animals, birds and insects.
Hwever, peple are destrying the area by cutting dwn many f the trees. This is called “defrestatin”. Many living things lse their hmes because f defrestatin. As a result, the number f kinds f animal, birds, insects and trees in the wrld is decreasing.We must d ur best t prtect the Amazn rainfrest.
1. Where is the Amazn rainfrest?In Suth America. 2. Hw large is the Amazn rainfrest? It cvers five and a half millin square kilmetres f the Amazn Basin and spreads acrss nine cuntries.
Answer the fllwing questins.
3. Why is the Amazn rainfrest very imprtant? Because it is hme t thusands f animals, birds and insects.4. What des “defrestatin” mean? It means destrying frests by cutting dwn the trees.
5. What is the result f defrestatin? Many living things lse their hmes and the number f kinds f animals, birds, insects and trees in the wrld is decreasing.6. What shuld we d? We shuld d ur best t prtect the Amazn rainfrest.
The Amazn rainfrest is the _______ rainfrest in the wrld.It cvers 5.5 millin square kilmetres f the _____________.It spreads acrss _____ cuntries.The rainfrest is imprtant because it is ______ t many living things.The rainfrest is in danger because f ____________ (the cutting dwn f trees).
Amazn Basin
defrestatin
Culture crner
Chinese teaTea is the mst ppular drink in the wrld besides water. All tea cmes frm the tea plant. Peple pick leaves frm it t make tea.
The habit f drinking tea has a lng histry in China. Accrding t an ld stry, Chinese Emperr Shennng discvered tea. Lu Yu, a writer during the Tang Dynasty, wrte the first bk abut tea.There are several types f Chinese tea, such as white tea, green tea and black tea.
Answer the questins.
What is tea?Tea is the mst ppular drink in the wrld besides water. Where des tea cme frm?All tea cmes frm the tea plant. Wh discvered tea accrding t the ld stry?Chinese Emperr Shennng discvered it.What tapes are there f Chinese tea?White tea, green tea and black tea.
Write a shrt passage.
D yu like drinking tea? What else d yu knw abut tea? Why?
D yu want t imprve yur schl envirnment? In this prject, yu will write a plan fr a green prject.
Planning green activities
In grups, have a brainstrming meeting and write dwn yur ideas fr the green prject.
Write a plan fr yur prject.
一、根据句意及首字母提示写出所缺单词。Can yu swim a________ the river by yurself?2. My huse is big. It c________ 300 square metres.3. There are many beautiful b________ flying in the sky.4. The little by can cunt the n________ frm ne t ne hundred.5. It’s i________ fr us t prtect trees.
the Amazn rainfrestSuth Americaspread acrss be hme t thusands fcut dwnlse their hmesbecause f as a resultthe number f … D/try ne’s best t d sth,(be) in danger
亚马逊雨林南美洲遍及…… 的家园成千上万的砍伐失去他们的家园因为结果…… 的数量尽某人的全力做某事处于危险中
三、根据中文意思完成句子。1. 他每天跑步三十分钟，结果他体育考试得了满分。He runs fr thirty minutes every day. ___ __ ____ , he gt full marks in the P.E. exam.2. 很多动物因为环境污染失去了家园。Many animals _____ _____ _____ because f envirnmental pllutin.3. 每天成千上万的旅游者来到中国参观长城。 _____ _____ visitrs cme t China t visit the Great Wall every day.4. 因为大雨，他没能及时赶到火车站。He culdn’t arrive at the train statin n t me _______ _____ the heavy rain.
As a result
lst their hmes
because f