小学英语人教版 (PEP)六年级下册Unit 4 Then and now Part B教案配套课件ppt

这是一份小学英语人教版 (PEP)六年级下册Unit 4 Then and now Part B教案配套课件ppt，共18页。PPT课件主要包含了Warming up，知识讲解，课堂小结等内容，欢迎下载使用。
Culd yu tell us abut yur change?
I read a bk. It was really interesting.
Culd yu tell me the stry?
Cavemen ften ate raw meat. They didn't ck their fd.Nw there are many things t help yu ck.In 2050, there will be huse rbts. They will ck, clean and wash the dishes.
It's OK. They didn't d the dishes either!
Oh, cavemen nt ck their meat?
There were many trees, and there were many clean rivers.Nw, there are mre and mre buildings.We shuld help the earth nw, s birds will have hmes and the frests will be healthy and green again.
Dn't wrry. Peple will help them.
Lk! Hw beautiful the wrld was! Oh! What will the birds d?
Befre humans lived n the earth, whales already lived in the sea.Nw, there are nt many whales.If we change nw, whales and humans will have a bright future.
Make it a better place!
Heal the wrld!
There are several types f pllutin.
1. Air Pllutin
Cars,Buses,Trucks
Smking and FireAre yu plluting yurself?
Factries,Gas
a. Breathing Diseaseb. Glbal warming
2. Water Pllutin
a. Cntaminatin f water
b. Stmach ache
c. Fish and plants die
Trash and factry waste
3. Nise Pllutin
Hearing prblems
Lud music, machines, vehicles
4. Land/Sil Pllutin
Thrwing (hme)trash
Cutting dwn trees
Effects n the envirnmentas well as human health.
Let's change urselves and prtect ur earth.
Cavemen ften ate raw meat. They didn't ck their fd.穴居人经常吃生肉。他们不做饭。We shuld help the earth nw, s birds will have hmes and the frests will be healthy and green again.我们现在应该帮助地球，这样鸟类将有家，森林将再次健康和绿色。
Befre humans lived n the earth, whales already lived in the sea.在人类生活在地球上之前，鲸鱼已经生活在海里了。If we change nw, whales and humans will have a bright future.如果我们现在改变，鲸鱼和人类将有一个光明的未来。