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1Energy comes from non-renewable sources that will run out some day.
2Fossil fuels are limited and harmful to the environment.
3Once non-renewable energy resources are used up, they can't be replaced.
4Cola is cheap but it releases a lot of pollutants when burned.
5Vietnam currently relies heavily on fossil fuels for its energy.
6Solar energy is the most abundant and cleanest renewable energy source.
7You should fit solar panels to provide electricity or water heating to your home.
8In a short time, many people will be using electric cars more.
Tidal energy is renewable plentiful and clean -Wind will be used as an environmental friendly sources of energy . -There are many ways will be used to solve the problem of pollution
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In Britain, natural gas is the most popular fuel for heating homes, and for cooking. It is piped all over the country from the gas fields below the North sea. Natural gas is used chiefly as a direct source of energy, although it is also used in the chemical industry. At the moment, the supply is plentiful, but it will be running short by the end of the century, and it will run out during the 21stcentury unless new supplies are found. We could do without natural gas, as coal gas can be used as a substitute, and there should be enough coal to last for several centuries. However, it is a form of energy which is not only cheap, but also highly efficient.
1. What is natural gas used for?
à__________________________For heating homes, and for cooking. ________________________________________
2. Where does it come from?
à_______________________it comes from all over the country from the gas fields below the North sea.___________________________________________
3. What is gas used chiefly as? When will it run out?
à__________________Natural gas is used chiefly as a direct source of energy. It will run out during the 21stcentury________________________________________________
4. What can be used as a substitute for natural gas?
à____________________ coal gas can be used as a substitute for natural gas______________________________________________
5. Is natural gas expensive or cheap?
à________________It is cheap__________________________________________________
-Tidal energy is renewable ...plentiful......... and clean (plenty)
-Wind will be used as an ......enviromentally......... friendly sources of energy . (environment)
-There are many ways will be used to solve the problem of ....pollution...... (pollute)
-.......unfortunately....... , fossil fuels are harmful to the environment (fortunate)
-We should use them ....economic.......... and try to find out alternative sources of power . (economy)
-I think that solar energy can be an ...alternative.......... source of energy in the near future (alter)
-It's a clean source of energy . Sailboats couldn't move without this ......power....... (powerful)
-Limit car trips by relying on biking , walking public ..transportation........... (transport)
-Energy is used to ....produce........ a lot electrical thing (product )
-I don't think so . The solar penels are becoming .....uncheap....... and easy to install (cheap)
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