仁爱科普版Unit 2 Saving the earth.Topic 3 What can we do to protect the environment?优秀ppt课件

这是一份仁爱科普版Unit 2 Saving the earth.Topic 3 What can we do to protect the environment?优秀ppt课件，文件包含新课标·新版教材Unit2Topic3WhatcanwedoathometoprotecttheenvironmentSectionD课件pptx、p49-readingmp3等2份课件配套教学资源，其中PPT共19页， 欢迎下载使用。

Learning bjectives
1. Sme wrds: dry 2. Sme phrases: prvide sth. t d sth.; face difficulties; even thugh 3. Sme sentences: (1)Withut them, it cannt breathe. (2)They plant different types f trees s that birds and animals can live in the frests. 4. Use the cmpund sentence crrectly. 5.Realize the imprtance f the frest.
Let’s challenge!
1. Help thers whenever yu can _____ yu’ll make the wrld a nicer place t live in. A. r B. and C. but D. while
2. Crss the rad carefully, ________ yu’ll keep yurself safe . A. s B. r C. but D. and
3. Hurry up, ________ yu’ll be late fr the cncert . A. r B. s C. but D. and
4. I always enjy visiting Lndn, ______ I wuldn’t like t live there. A. because B. s C. but D. and
1.你想要成为一名环保人士吗？2.首先，当你离开房间的时候你应该关掉电源。3.说比做容易。4.行动胜于言辞。5.火车最高速度可以达到一小时441千米。
Wuld yu like t be a green persn?
First, yu ught t shut ff the electricity when yu leave a rm.
Easier said than dne.
Actin speak luder than wrds.
The train can reach a tp speed f 431 km per hur.
Plant trees
Hw imprtant is the frest?
Read the dialgue and answer the fllwing questins.
Hw d yu understand “Frests are the lungs f the earth”?
What difficulties d tree planters face when they plant trees ?
Why d they plant different kinds f trees ?
What will happen if we d nt plant new frests ?
Wuld yu like t be a tree planter when yu are lder ? Why r why nt ?
Frests can remve carbn dixide frm the air and make xygen.
(1)The weather may be very ht and dry r it may be very cld and wet. (2)There are ften many insects that bite these planters n their legs, arms, and faces while they wrk. (3)They carry heavy bags f small trees, and wrking in the muntains can be dangerus.
They plant different types f trees s that birds and animals can live in the frests.
The frests will becme less and less.We cannt breathe withut them.
Listen and fllw
Frests are the lungs f the earth. Withut them， it cannt breathe. It needs its frests t remve carbn dixide frm the air and t make xygen. In many cuntries， such as New Zealand， Canada， and Brazil，frests were cut dwn t prvide wd t build huses. Many yung vlunteers arund the wrld are wrking in their hlidays t plant new trees t replace them. These yung men and wmen face many difficulties when they plant new trees. The weather may be very ht and dry r it may be very cld and wet. There are ften many insects that bite these planters n their legs,arms,and faces while theywrk. They carry heavy bags f small trees,and wrking in the muntains can be dangerus. Tree planters are changing the wrld. They plant different types f trees s that birds and animals can live in the frests. Even thush tree planting is very difficult,they lve their wrk. They believe that in 50 years their little trees will becme beautiful frests.
Language pints
Frests are the lungs f the earth. Withut them， it cannt breathe. It needs its frests t remve carbn dixide frm the air and t make xygen. In many cuntries， such as New Zealand， Canada， and Brazil，frests were cut dwn t prvide wd t build huses. Many yung vlunteers arund the wrld are wrking in their hlidays t plant new trees t replace them. These yung men and wmen face many difficulties when they plant new trees. The weather may be very ht and dry r it may be very cld and wet. There are
ften many insects that bite these planters n their legs,arms,and faces while they wrk. They carry heavy bags f small trees,and wrking in the muntains can be dangerus. Tree planters are changing the wrld. They plant different types f trees s that birds and animals can live in the frests. Even thugh tree planting is very difficult,they lve their wrk. They believe that in 50 years their little trees will becme beautiful frests.
Read and remember
such as 例如cut dwn 砍倒、削减arund the wrld 全世界dangerus 危险的s that 以便、为了even thugh 即使、尽管