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1、学习必备 欢迎下载 1.KidJ13 Fill in blanks:Vocabulary:generator_,electricity_,motion_,blade_ machine_,liquid_ Steam _,dam _ Where We Get ENERGY We use energy for many of the things we do.Energy _ and cools our homes,schools,and workplaces.Energy runs lights,_,and machines.Energy moves cars,trucks,planes and
2、_.You need energy to walk,run and plan.You need it to think and sleep.Where does_ come from?Energy from Food You get energy by eating plants and animals.The animals you eat get _ from plants that eat.Green plants _ energy.They take energy from _ and store it as food.Energy from Gasoline Cars,_,plane
3、s,and trains get energy from gasoline._ comes from oil.Oil is a liquid that lies deep _.Wells pumps oil from under the ground.Factories turn the oil into _.Electricity Electricity is a type of energy.We use _ to run many things.How do we get electricity?学习必备 欢迎下载 Making Electricity We use generators
4、 to make most of our electricity.A generator turns motion into _.It takes energy to make _.Where does this energy come from?Energy from Oil and Coal Much of the energy used to make _ comes from oil and coal.Like oil,coal comes from _ underground.Power plants burn oil and coal to _ water.Heat from oi
5、l and coal changes water into steam.The steam turns large blades inside a _.The generator changes this motion into electricity.Energy from wind Some electricity comes from _.The wind turns the large blades of a generator.The generator turns the _ into electricity.Energy from Water Some _ comes from
6、flowing water.People build dams in rivers.The water _ through large tubes in the dam.It turns the blades of a generator.Energy from the Earth In some places,steam comes out of cracks in the earth.Hot rocks underground change water into steam.The _ can turn the blades of a generator.Energy from the S
7、un Plants can turn_ into food.People can turn the suns 习必备欢迎下载学习必备欢迎下载背诵学习必备 欢迎下载 energy into electricity.Solar panels can _ electricity.Solar panels make this car _.People can turn the suns energy into _.Solar panels make this car move.Saving Energy Each year there are _ people on Earth.Those _ use
8、 more and more energy.Today,we get most of our energy from _,oil,and natural gas.Someday there may be no coal or oil _.It is important not to waste energy.We need to _ coal and oil.It is also important to use energy from things that do not get used up.Wind,water,sunlight,and steam from the ground do
9、 not get used up.Keys:习必备欢迎下载学习必备欢迎下载背诵学习必备 欢迎下载 Where We Get ENERGY We use energy for many of the things we do.Energy heats and cools our homes,schools,and workplaces.Energy runs lights,computers,and machines.Energy moves cars,trucks,planes and trains.You need energy to walk,run and plan.You need i
10、t to think and sleep.Where does energy come from?Energy from Food You get energy by eating plants and animals.The animals you eat get energy from plants that eat.Green plants make their own energy.They take energy from sunlight and store it as food.Energy from Gasoline Cars,trucks,planes,and trains
11、get energy from gasoline.Gasoline comes from oil.Oil is a liquid that lies deep underground.Wells pumps oil from under the ground.Factories turn the oil into gasoline.Electricity Electricity is a type of energy.We use electricity to run many things.How do we get electricity?Making Electricity We use
12、 generators to make most of our electricity.A generator turns motion into electricity.It takes energy to make motion.Where does this energy come from?Energy from Oil and Coal Much of the energy used to make electricity comes from oil and coal.Like oil,习必备欢迎下载学习必备欢迎下载背诵学习必备 欢迎下载 coal comes from deep
13、underground.Power plants burn oil and coal to heat water.Heat from oil and coal changes water into steam.The steam turns large blades inside a generator.The generator changes this motion into electricity.Energy from Wind Some electricity comes from wind.The wind turns the large blades of a generator
14、.The generator turns the motion into electricity.Energy from Water Some electricity comes from lowing water.People build dams in rivers.The water runs through large tubes in the dam.It turns the blades of a generator.Energy from the Earth In some places,steam comes out of cracks in the earth.Hot roc
15、ks underground change water into steam.The steam can turn the blades of a generator.Energy from the Sun Plants can turn the sun s energy into food.People can turn the suns energy into electricity.Solar panels can turn sunlight into electricity.Solar panels make this car move.People can turn the suns
16、 energy into electricity.Solar panels can turn sunlight into electricity.Solar panels make this car move.Saving Energy Each year there are more and more people on Earth.Those people use more and more energy.Today,we get most of our energy from coal,oil,and natural gas.Someday there may be no coal or
17、 oil left.It is important not to waste energy.We need to save coal and oil.It is also important to use energy from things that do not get used up.Wind,water,sunlight,and steam from the 习必备欢迎下载学习必备欢迎下载背诵学习必备 欢迎下载 ground do not get used up.2.KidJ11 Rosa Park On the Bus Marissa and her mother were _.Th
18、ey were on their way to Grandma s house.They had to sit in the back seats.Marissa didn t like _.There was a law that black people had to sit _ the bus.Mom said it was _.Some white people came on the bus.So some of the black people stood up and _ them their seats.That was another part of the_.Refusin
19、g to Stand But one black woman didn t stand up.Her name was Rosa Parks.She didn t want to _.The driver told Rosa she had to move but she said,“no”.Then the driver called the police!The police came and _ Rosa Parks.Marrisa was very confused.Why didn t Rosa Parks get up?Everybody _,even if it wasn t f
20、air.Taking Steps When other people _ what happened to Rosa,they _.They decided to stop riding the city buses!Marissa asked her mom why they had to walk.Mom said people stopped riding the buses to show that _.For a long time they walked everywhere.Marrissa s legs were _.Still,they didn t ride the bus
21、.Making a Difference 习必备欢迎下载学习必备欢迎下载背诵学习必备 欢迎下载 Finally,an _ thing happened.The law _!Marrissa and her mom could now sit at the front of the bus.Marrisa learned that one person could _.She learned people could join together to change things.Today people of all colors in the United States have the sa
22、me rights.It all _ one woman saying no to something that was _.2.Keys to On the Bus Marissa and her mother were riding the bus.They were on their way to Grandma s house.They had to sit in the back seats.Marissa didn t like the back seats.There was a law that black people had to sit at the back of th
23、e bus.Mom said it was unfair.Some white people came on the bus.So some of the black people stood up and gave them their seats.That was another part of the law.Refusing to Stand But one black woman didn t stand up.Her name was Rosa Parks.She didn t want to move from her seat.The driver told Rosa she
24、had to move but she said,“no”.Then the driver called the police!The police came and arrested Rosa Parks.Marrisa was very confused.Why didn t Rosa Parks get up?Everybody knew the law,even if it wasn t fair.Taking Steps When other people heard what happened to Rosa,they got very upset.They decided to
25、stop riding the city buses!Marissa asked her mom why they had to walk.Mom said people stopped riding the buses to show that the law was unfair.For a long time they walked everywhere.Marissas legs were sometimes 习必备欢迎下载学习必备欢迎下载背诵学习必备 欢迎下载 very tired.Still,they didn t ride the bus.背诵 Making a Differen
26、ce Finally,an amazing thing happened.The law was changed!Marrissa and her mom could now sit at the front of the bus.Marrisa learned that one person could make a difference.She learned people could join together to change things.Today people of all colors in the United States have the same rights.It all started with one woman saying no to something that was unfair.习必备欢迎下载学习必备欢迎下载背诵