英语Unit 5 A delicate world教学演示课件ppt

这是一份英语Unit 5 A delicate world教学演示课件ppt，共13页。PPT课件主要包含了Para1，Para2-3，Para4-5，Para6，Location，Shape ，Why ，halfway，landscape，Purposes等内容，欢迎下载使用。
Learning aims : T knw smething abut Macquarie Island.T practice ur reading skillsT spur ur sense f envirnmental prtectin
1. What animals can yu see in the vide ?
Disastrus results？
Starting ut
2. If cats, rats and rabbits were intrduced t the envirnment, what wuld happen?
penguinselephant sealswild birds
Fast reading
Lk thrugh the passage with the fllwing questins.
1.Match the paragraph(s) with crrect main ideas.
Chas caused by humans
The prcess f preservatin
The intrductin f the island
The authr’s missin
2. Chse the authr's purpse in writing this passage and give yur reasns.
A. T analyze hw Macquarie Island was saved frm destructin.B. T infrm readers f the chas caused n Macquarie Island by humans.C. T entertain readers with a funny stry abut what happened n Macquarie island.D. T suggest ways in which an ecsystem can be prtected.
Frm what aspects des the writer intrduce the island in para.1?
Inhabitants
ryal penguins ; king penguins; elephant seals
lng and thin
Strng winds and strmy seas
In the ________________ cean , ________ between Australia and Antarctic.
Suth-west Pacific
Careful reading
Green grass; bare rck; a wild and natural beauty
Humans arrived in1810
T live there T hunt fr sea animals
T cntrl rats and mice
T be a surce f fd fr humans
tk ver the islandEat birds’ eggsAttack baby birds
Develp an appetite fr birds
multiplied quicklyeat the native vegetatindigging hlescause sil ersinmre rabbits means mre cats
What happened t Macquarie Island befre 1970s ?
The large number f mice and rats ?
The remaining 10000 rabbits ?
Disastrus results in2006
Caused sme land t cllapseKilled a substantial number f penguins
Remve all the invading species nce and fr all.
Fill in the fllwing blanks with infrmatin in para.4-5
Became an fficial nature reserve; A virus was released t cntrl rabbits
Traps and dgs --- catch the cats
Rabbits were reduced t 10000.The cats --- native birds
The last cat was caught in 2000Rats started t increase
1. What’s the authr’s missin n the island?
Remve the last remaining invading species
2. Hw d yu understand the sentence “ we human we it t the island t give it a happy ending.” at the end f the passage ?
It is humans that have caused great damage t the island and it is ur duty t help it return t nrmal.
Read the last paragraph with the fllwing questins.
Accrding t the time rder, can yu retell the passage?
Qinling villas
Kubuqi desert
In 2014, Macquarie Island is pest-free and its eclgy is n the rad t recveryIn 2016, the permanent scientific research statin was clsed dwn .
Are there similar situatins in ur cuntry?
Better late than never！
Pst reading :
Live harmniusly
With ur jint effrts, ur cuntry is sure t becme a mre hspitable place. We shuld live harmniusly with nature.