仁爱科普版九年级上册Topic 2 All these problems are very serious.教学课件ppt
展开(1)________ f us knws hw t stp the bad behavir.(2) I kncked n the dr but ___________ answered.(3) Sme f these bks are better than__________.(4) She was driving the car with ne hand and wiping the windw with the _______.(5) They are beautiful but I am lking fr ___________ useful.(6) Is there ___________ yu can d t help her?(7) There’re 5 000 peple living here and almst _________has his/her wn car.(8) He’s cleverer than ____________ I knw.(9) I’ve lked __________ but I can’t find it.
Fill in the blanks using smething, anything, thers, nbdy, everyne, anybdy, everywhere, nne, ther.
Our earth mther is ill, and she is being sent t hspital. We have but ne earth!!!
In big cities, cars and buses have plluted the air. It makes peple have health ________. ˈ
[prɒbləmz]
The rivers and lakes are_______because the factries have plluted the water.
Peple have cut dwn millins f trees. The rain takes away the earth. S frests have becme ______.
[ˈdezəts] n. 沙漠
The zne layer can prtect the earth frm harmful __________.
[ˌreɪdiˈeɪʃn] n. 放射,放射物
Carbn dixide(CO2 ) frmed a ______ arund the earth and the heat can’t escape.
[ˈblæŋkɪt] n. 毛毯,毯子
The greenhuse effect causes the level f the sea t _____ and the climate f the earth t change.
the level f the sea
[raɪz] 上升;升起
fewer trees
factry pllutin
traffic pllutin
the zne layer
mre carbn dixide
Can yu match them?
Task 1. Read and understand.Lk at the fllwing pictures and predict the main idea f the passage.
What is the best title fr this passage ? Envirnment Prblems B. Pllutin n the Earth C. Hpe fr the Future D. The Greenhuse Effect
Task 2. Skimming.
Chse suitable title fr each paragraph. Then write it dwn in frnt f each paragraph.
___________ All ver the wrld, peple have cut dwn millins f trees. When it rains r when the wind blws, the earth is taken away. Frests have becme deserts, s many kinds f animals and plants are disappearing.
Fewer Trees
Traffic pllutin B. Factry pllutin C. Fewer trees D. The zne hle E. Mre carbn dixide
Task 3. Scanning.
_____________ In big cities, cars and buses have plluted the air. Nw many peple in cities have health prblems.
Traffic Pllutin
Traffic pllutin B. Factry pllutin C. Fewer trees D. The zne hle E. Mre carbn dixide
_________________Factries have als plluted the land and the water. As a result, many rivers and lakes are nw dead.
Factry Pllutin
Traffic pllutin B. Factry pllutin C. Fewer trees D. The zne hle E. Mre carbn dixide
___________ Arund the earth, there’s a special kind f xygen called “zne”(O3). It is imprtant t the earth. But nw air pllutin is destrying it and making a very big hle in the zne layer. T much harmful radiatin frm the sun passes thrugh the hle and reaches the earth directly. This is very dangerus because this kind f radiatin can cause cancer.
The zne hle
Traffic pllutin B. Factry pllutin C. Fewer trees D. The zne hle E. Mre carbn dixide
____________________ Carbn dixide (CO2) in the air has increased a lt. It mainly cmes frm burning il, cal and wd. This has frmed a blanket arund the earth. The heat frm the sun can’t escape s the temperature is rising. This is called “the greenhuse effect”. It causes the level f the ceans t rise and the climate f the earth t change.
Mre Carbn Dixide
Read 1a carefully and chse the answers. (P40 1b 2--5)
Find the key wrds and pay attentin t the tpic sentence.
Task 4. Careful reading.
2.What des ur planet mean here? A. The sun. B. Mars. C. The mn. D. The earth.
The earth is 4.6 billin years ld. We humans have lived n the earth fr nly 35 000 years, but during this perid, we have changed ur planet a lt in many ways. Sme things we have dne are very gd fr the earth while thers are bad.
3.In the passage, blanket refers t ____. A. carbn dixide arund the earth B. the zne layer in the sky C. the frests arund the wrld D. pllutin all ver the wrld
________________ Carbn dixide (CO2) in the air has increased a lt. It mainly cmes frm burning il, cal and wd. This has frmed a blanket arund the earth. The heat frm the sun can’t escape s the temperature is rising. This is called “the greenhuse effect”. It causes the level f the ceans t rise and the climate f the earth t change.
4.The wrd it in Paragraph5 refers t ____. A. CO2 B. O3 C. O2 D. H2O
_____________ Arund the earth, there’s a special kind f xygen called “zne”(O3). It is imprtant t the earth. But nw air pllutin is destrying it and making a very big hle in the zne layer. T much harmful radiatin frm the sun passes thrugh the hle and reaches the earth directly. This is very dangerus because this kind f radiatin can cause cancer.
Write dwn nly the key wrds when taking ntes.
Cmplete the ntes accrding t 1a.
Task 5. Futher reading.
cars and buses pllute air, health prblems
pllute land and water, rivers and lakes dead
harmful radiatin reaches the earth, cause cancer
factry pllutin
1.带走2.臭氧层3. 二氧化碳4.温室效应5.指的是6.海平面7.直接到达 地球
carbn dixide
the greenhuse effect
the level f the ceans
reach the earth directly
Task 6. Watch the vide and find the fllwing phrases.
take away 拿走,取走我不喜欢这些书,请把它们拿走I dn't like these bks. Please take them away.
1.when the wind blws, the earth is taken away.
风吹的时候,把泥土带走了。
Task 7. Key pints.
refers t 谈及,说起;指的是我们的 星球指的是地球。
Our planet refers t the Earth.
2. In the passage, blanket refers t ____.在文段里,blanket指的是…
while cnj. 而, 然而, 相当于but, 表示对比他是老师而我是司机。e.g. He is a teacher, while I am a driver.
3.Sme things we have dne are very gd fr the earth while thers are bad.
4. It causes the level f the ceans t rise and… 它能让海洋的水平面上升……
rise 是不及物动词,意为:升起;上升
The sun rises in the east.
raise 是及物动词,意为"举起;抬起,提高"
Please raise yur hands.
sth risesraise sth.
Task 8. Cmbine the key pints in 1c and 2 t frm a shrt passage and pay attentin t the prper linking wrds.
As we all knw, water pllutin is becming mre and mre serius. Sme factries pur waste water int the rivers. As a result, it makes the water dirty and smell terrible. Mst f fish in the water have died and we can’t swim in the water. Water is very imprtant t human beings, s we shuld d ur best t prtect and save it. Luckily, ur gvernment is taking measures t prtect the water frm pllutin.
Yu can write it like this:
1. Sme wrds: hle, frm, rise 2. Sme phrases: take away, refer t 3. Sme sentences: All these prblems are very serius, s we must d smething nw.
1. Talk abut the harm f pllutin. 2. Cmbine the key pints t frm a shrt passage.
1.Read the useful expressins and key wrds which we learn Sectin C in yur Sectin A-C and preview Sectin D.
1.Wh has _________ my dictinary? It was here just is a __________ in my sck. It’s weather reprt says the temperature will ________ knw wh I __________ just yu use the letter t ___________ a wrd?
Fill in the blanks.
refer t frm hle rise take away
( )6.The cleaners must keep the street _____. A.frm getting dirty B.t dirty C.t get dirty D.getting dirty( )7.—Is _____ ready fr the trip? —N, we haven’t gt a B.everything C.smething D.anything( )8.Nne f us _____ running, but we all like B.like C.likingD.wuld like t( )9. _____Liang Li is very busy,she always helps thers. A.ButB.And C.Althugh D.Because
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