unit4 period1[上学期]
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课件38张PPT。 Unit 4 Do you know any natural disasters? What is it?A disaster. earthquakenatural disastersfloodsdroughthurricanestornadoesvolcano
eruptionearthquakesfiretyphoontsunamitsunamihurricaneNatural Disastersfiresnow slidemudflow泥流沙暴sandstormvolcano eruption火山爆发typhoondroughtearthquaketornadofloodsWhat do you think of the earthquakes ?It is a disaster, and it’s very destructive and terrible . * disaster :灾难，祸患* destructive：破坏性的What damage does an earthquake cause?Many people die……People lose their homes…. Many things are destroyed…..Earthquake of Tangshan in China in 1976The cracks cut across the roads .The buildings fell down .* fall down: * crack: * cut across:倒下裂缝横断、截断Many things were destroyed, such as …bridgerailwaybuildings* destroy: 破坏，摧毁The smoke of fires could be seen. The electricity lines were destroyed. The electricity supply was also cut off.Many people died and were injured. Families were killed and many children were left without parents. the survivors became homeless.In a few terrible seconds, a large city lay in ruins. Everything was destroyed. It seemed that the world was at an end.
Do you know why earthquakes happen?ListeningListening:
Listen to the tape for twice and then answer the True or False statements.
Inside the earth there are a number of plates.
These plates move all the time.
If they jump there is an earthquake .
China is in an earthquake area.
The Pacific plate is pushing on China from the east.
Human beings have the power to stop earthquakes.FTTTFFSan FranciscoPacific plateAmerican plateEurasian plate India plateAfrican plateAntarctic plateParagraph 4?Pacific plate NorthSouthWestEastAmerican plateEarthquake Happens2.Listen again and choose the best answer.
1)The Pacific plate is moving at ________.
A. 3.5cm a year B. 5.3cm a year
C. 35cm a year D. 53cm a year
2)When the 1906 earthquake happened, the Pacific plate suddenly jumped _________ to the north.
4-5 meters B. 3-4 meters C. 5-6 meters D. 7-8 meters
3)The India plate is pushing on China from ________.
southwest to northeast B. northeast to southwest
C. southeast to northwest D. northwest to southeast
4)Which way in the following can’t reduce losses from earthquakes?
A.not building where plates meet B. building on rock
C.building strong houses D.building weak housesCan we foretell（预言）an earthquake so that we can take measures to reduce the damages?
Before an earthquake, something strange happens :People can see bright lights in the sky. The sound of planes can be heard outside even when no planes are in the sky.
Mice will run out of the fields looking for places to hide. Fish will jump out of the bowls or ponds.Animals will be too nervous to eat. People will notice that the well walls have deep cracks in them. The water will rise and fall, rise and fall for a few days, steam will burst from holes or wells in the ground.Let’s have a quiz!When an earthquake happens, do you know how to rescue yourself indoors?______ourselves by _______under some furniture like a table. _______to the floor and ______ our head and neck with our arms.Finally we must____ onto the furniture so it doesn’t _____ away from usprotectdropcoverhiding coverholdmoveCDon’t rush out without orderPut out the fire, and turn off the gas.DEFOpen the door when it
begin to shakeUse something hard (硬的) to protect your head Never try to use the lift When you’re outside, you should keep away from _______
_________
__________power linessignsbuildings1.What must we remember to do if we’re in the house alone when the earthquake starts?
We must_______ a family friend to ____ them where we are. We must also __________ our personal earthquake bag and go to the emergency ______ if there is no one near our house.2. What things will you put into your personal earthquake bag? ring tell collectshelterpersonal washing thingsa bottle of water moneytorchmobile phonefood and sweets blanketMy personal earthquake bag will containmedicineThe bag will
containTips for the dialogueA: Today ,we have learned something about earthquake.
B: Yes, from this lesson we can know how to rescue ourselves.
A: What will you take if you have to leave your house right away in an earthquake ?
B: In my opinion, I would like to take ---
A: why ?
B: Because ---rose and fell had deep cracks and a smelly gas came out were too nervous to eatran out of the fields , looking for places to hidejumped out of bowls and ponds Part1
eruptionearthquakesfiretyphoontsunamitsunamihurricaneNatural Disastersfiresnow slidemudflow泥流沙暴sandstormvolcano eruption火山爆发typhoondroughtearthquaketornadofloodsWhat do you think of the earthquakes ?It is a disaster, and it’s very destructive and terrible . * disaster :灾难，祸患* destructive：破坏性的What damage does an earthquake cause?Many people die……People lose their homes…. Many things are destroyed…..Earthquake of Tangshan in China in 1976The cracks cut across the roads .The buildings fell down .* fall down: * crack: * cut across:倒下裂缝横断、截断Many things were destroyed, such as …bridgerailwaybuildings* destroy: 破坏，摧毁The smoke of fires could be seen. The electricity lines were destroyed. The electricity supply was also cut off.Many people died and were injured. Families were killed and many children were left without parents. the survivors became homeless.In a few terrible seconds, a large city lay in ruins. Everything was destroyed. It seemed that the world was at an end.
Do you know why earthquakes happen?ListeningListening:
Listen to the tape for twice and then answer the True or False statements.
Inside the earth there are a number of plates.
These plates move all the time.
If they jump there is an earthquake .
China is in an earthquake area.
The Pacific plate is pushing on China from the east.
Human beings have the power to stop earthquakes.FTTTFFSan FranciscoPacific plateAmerican plateEurasian plate India plateAfrican plateAntarctic plateParagraph 4?Pacific plate NorthSouthWestEastAmerican plateEarthquake Happens2.Listen again and choose the best answer.
1)The Pacific plate is moving at ________.
A. 3.5cm a year B. 5.3cm a year
C. 35cm a year D. 53cm a year
2)When the 1906 earthquake happened, the Pacific plate suddenly jumped _________ to the north.
4-5 meters B. 3-4 meters C. 5-6 meters D. 7-8 meters
3)The India plate is pushing on China from ________.
southwest to northeast B. northeast to southwest
C. southeast to northwest D. northwest to southeast
4)Which way in the following can’t reduce losses from earthquakes?
A.not building where plates meet B. building on rock
C.building strong houses D.building weak housesCan we foretell（预言）an earthquake so that we can take measures to reduce the damages?
Before an earthquake, something strange happens :People can see bright lights in the sky. The sound of planes can be heard outside even when no planes are in the sky.
Mice will run out of the fields looking for places to hide. Fish will jump out of the bowls or ponds.Animals will be too nervous to eat. People will notice that the well walls have deep cracks in them. The water will rise and fall, rise and fall for a few days, steam will burst from holes or wells in the ground.Let’s have a quiz!When an earthquake happens, do you know how to rescue yourself indoors?______ourselves by _______under some furniture like a table. _______to the floor and ______ our head and neck with our arms.Finally we must____ onto the furniture so it doesn’t _____ away from usprotectdropcoverhiding coverholdmoveCDon’t rush out without orderPut out the fire, and turn off the gas.DEFOpen the door when it
begin to shakeUse something hard (硬的) to protect your head Never try to use the lift When you’re outside, you should keep away from _______
_________
__________power linessignsbuildings1.What must we remember to do if we’re in the house alone when the earthquake starts?
We must_______ a family friend to ____ them where we are. We must also __________ our personal earthquake bag and go to the emergency ______ if there is no one near our house.2. What things will you put into your personal earthquake bag? ring tell collectshelterpersonal washing thingsa bottle of water moneytorchmobile phonefood and sweets blanketMy personal earthquake bag will containmedicineThe bag will
containTips for the dialogueA: Today ,we have learned something about earthquake.
B: Yes, from this lesson we can know how to rescue ourselves.
A: What will you take if you have to leave your house right away in an earthquake ?
B: In my opinion, I would like to take ---
A: why ?
B: Because ---rose and fell had deep cracks and a smelly gas came out were too nervous to eatran out of the fields , looking for places to hidejumped out of bowls and ponds Part1