1. For a long time / people / use / water / power machines

For a long time people have used water to power machines

2. Solar panels / place / the roof / a house / and / sun's energy / use / heat water

Solar panels are placed on the roof of a house and the sun's energy is used to heat water

3. We / use energy / the sun, the wind, and the water

We use energy from the sun, the wind, and the water

4. Many countries / already using / solar energy

Many countries have already been using solar energy

5. The earth's fossil fuels / running out

The earth's fossil fuels are running out

6. We / looking / cheap, clean, effective source / energy / not cause pollution or waste natural resource

We are looking for a cheap, clean, effective source of energy that does not cause pollution or waste natural resource

7. Recently / wind / use / generate electricity

Recently wind has used to generate electricity

8. The sun / supply / all energy / used / grow plants / evaporate water / rain / and / maintain / temperature / planet

The sun supplies all energy used to grow plants and to evaporate water for rain and to maintain tenperature of the planet

9. At present / most / our electricity / come / use / coal, gas, oil or nuclear power

At present, most of our electricity comes from the use of coal, gas, oil or nuclear power

Are you looking for a cheap, clean, effective source of power that doesn’t cause pollution or waste natural resources? Look no further than solar energy from our sun. At present, most of our electricity comes from the use of coal and gas, oil or nuclear power. This power could be provided by the sun. One percent of the solar energy that reaches the earth is enough to provide power for the total population. Many countries have already used solar energy. Solar panels are placed on the roofs of our house and the Sun’s energy is used to heat water. The energy can be stored for a number of days, so on cloudy days you can use solar energy, too. Sweden has an advanced solar energy program. There, all buildings will be heated by solar energy and cars will use solar energy instead of gas by the year 2015

19.Does solar energy cause pollution?

a.     Yes, it does.

b.    No, it doesn’t.

c.     No. Solar energy causes pollution

d.    Yes. Solar energy causes pollution

20.How much solar energy is enough for the world’s population?

a)    Two percent of the solar energy.

b)    One- third of the solar energy.

c)    One– fifth  of the solar energy.

d)    One percent of the solar energy.

21.Where are solar panels installed?

a)    They are placed in the garden of the house.

b)    They are placed on the branches of the tall trees behind the house

c)    They are placed on the floor of the house

d)    They are placed on the roofs of the house

22.How can we use solar energy on cloudy days?

a)    The energy can’t be stored for a number of days

b)    The energy can be stored for a number of days

c)    Solar energy can only use on the sunny days.

d)    The Sun’s energy is used to heat water.

23.When will cars use solar power instead of gas in Sweden ?

a)    by the year 2050

b)    by the year 2055

c)    by the year 2015

d)    by the year 2035

T - T - T - T 

31, B

32, C

B2 : Use the cues given ti write correct sentences.

1. We / looking / cheap, clean, effective source / energy / not cause pollution or waste natural resources.

=>We are looking for a cheap, clean, effective source of energy that does not cause pollution or waste natural resource

2. At present / most / our electricity / come / use / coal, gas, oil or nuclear power.

=>At present, most of our electricity comes from the use of coal, gas, oil or nuclear power

3. This power / could / provide / sun.

=>This power could be provided by the sun

4. One percent / solar energy / reach / earth / enough / provide power / the total population.

=>One percent of the solar energy reaches to the earth is enough to provide the power for the total population

5. Many countries / already using / solar energy.

=>Many countries have already been using solar energy

6. Solar panels / place / the roof / a house / and / sun's energy / use / heat water.

=>Solar panels are placed on the roof of a house and the sun's energy is used to heat water

7. The energy / store / a number of days.

=>The energy can be stored a number of days

8. On / cloudy / you / use / solar energy / too

=>On cloudy days, you can use solar energy, too

9. Viet Nam / an advanced technology / solar energy.

=>Viet Nam can be an advanced technology in solar energy

10. Cars / use solar energy / gas / by the year 2030.

=>Car will use solar energy instead of gas by the year 2030

1. We are looking for a cheap, clean, effective source of energy that does not cause pollution or waste natural resource

2. At present, most of our electricity comes from the use of coal, gas, oil or nuclear power

3. This power could be provided by the sun

4. One percent of the solar energy reaches to the earth is enough to provide the power for the total population

5.Many countries have already been using solar energy

6. Solar panels are placed on the roof of a house and the sun's energy is used to heat water

7. The energy can be stored a number of days

8. On cloudy days, you can use solar energy, too

9. Viet Nam can be an advanced technology in solar energy

10. Car will use solar energy instead of gas by the year 2030

Use the cues given to write correct sentences.

71. We/ looking/ cheap, clean, effective source/ enegy/ not cause pollution or waste natural resources.

______We are looking for a cheap, clean, effective source of energy that does not cause pollution or waste natural resource_________

72. At present/ most/ our electricity/ come/ use/ coal, gas, oil or nuclear power.

___At present, most of our electricity comes from the use of coal, gas, oil or nuclear power_______

73. This power/ could/ provide/ sun.

________This power could be provided by the sun________

74. One percent/ solar energy/ reach/ earth/ enough/ provide power/ the total population.

___One percent of the solar energy reaches to the earth is enough to provide the power for the total population____

75. Many countries/ already using/ solar energy.

____Many countries have already been using solar energy_____

76. Solar panels/ place/ the roof/ a house/ and/ sun's energy/ use/ heat water.

____Solar panels are placed on the roof of a house and the sun's energy is used to heat water________

77. The energy/ store/ a number of days.

_________The energy can be stored a number of days____________

78. On/ cloudy/ you/ use/ solar energy/ too.

_______On cloudy days, you can use solar energy, too________

79. Viet Nam/ an advanced technology/ solar energy.

_____Viet Nam can be an advanced technology in solar energy____

80. Cars/ use solar energy/ gas/ by the year 2030.

__Cars will use solar energy instead of gas by the year 2030______

Bài 1:Use the given words to make meaningful sentences:

1. For a long time / people / use / water / power machines

For a long time people have used water to power machines

2. Solar panels / place / the roof / a house / and / sun's energy / use / heat water

Solar panels are placed on the roof of a house and the sun's energy is used to heat water

3. We / use energy / the sun, the wind, and the water

We use energy from the sun, the wind, and the water

4. Many countries / already using / solar energy

Many countries have already been using solar energy

5. The earth's fossil fuels / running out

The earth's fossil fuels are running out

6. We / looking / cheap, clean, effective source / energy / not cause pollution or waste natural resource

We are looking for a cheap, clean, effective source of energy that does not cause pollution or waste natural resource

7. Recently / wind / use / generate electricity

Recently wind has used to generate electricity

8. The sun / supply / all energy / used / grow plants / evaporate water / rain / and / maintain / temperature / planet

The sun supplies all energy used to grow plants and to evaporate water for rain and to maintain tenperature of the planet

Bài 1:Use the given words to make meaningful sentences

1.For a long time/people/use water/power machines

=> For a long time, people have used water to power machines.

2.Solar panels/pace/the roof/a house/and/sun's energy/use/heat water

=> Solar panels are placed on the roof of a house and the sun's energy is used to heat water.

3.We/use/energy/the sun,the wind and the water

=> We can use energy from the sun, the wind, and the water.

4.Many countries/already using/solar energy

=> Many countries have already been using solar energy.

5.The earth's fossil fuels/running out

=> The earth's fossil fuels are running out.

6.we/looking/cheap,clean,effective source/energy/not cause pollution or waste natural resources

=> we are looking for a cheap, clean, effective source of energy that does not cause pollution or waste natural resources

7.recently/wind/use/generate electricity

=> Recently wind has been used generate electricity.

8.the sun/supply/all energy/used/grow plants/evaporate water/rain/and/maintain/temperature/planet

=> The sun supplies all the enery used to grow plants, to evaporate water for rain and to maintain temperature of the planet.

1 - A

 2 - B

 3 - C

 4 - B

 5 - A

1A

2B

3C

4B

5A

We are looking for cheap, clean, and effective sources of energy. These types of energy won’t cause pollution or waste natural resources. It will be provided freely by the sun. One percent of the solar energy that reaches the earth will be enough to provide electricity for the whole population of the world. Solar energy will be used by many countries around the world. Solar panels will be placed on the roofs of houses and other buildings and the sun’s energy will be used to heat water. The energy will be stored for a long time. We hope that by using solar energy the problem of the energy shortage will be solved.

1. What types of energy are we looking for?

 _We are looking for cheap, clean, and effective sources of energy

2. What will we use the sun’s energy for?

 _____ The sun’s energy will be used to heat water

3. How long will the energy be stored?

 __________The energy will be stored for a long time