Điền những từ sau vào đoạn văn: source, belive, renewable, solar and wind power, supplying energy.
It's hard to (1)_______ that just 200 years ago our main energy source was good. Now we have a wealth of energy source to choose from, including a growing range of (2)_______ energy technologes.
But what does the future hold? How can we keep (3)_______ to an ever-growing population? How much will it cost?
And what impact will the energy choices we make have on our living conditions and our planet?
In a report thí year, the Internet Energy Agency experts electricity generation from renewable energy (4)_______ to increase from 21 percent in 2012 to 33 percent by 2040. Morever, as battery technology inproves, it will be better able to support renewable energy sources, such as (5)_______.
Innovation in energy storage has already resulted in graphene technology used in batteries, which may be able to store more energy than existing lithium batteries.
It’s hard to (1) believe that just 200 years ago our main energy source was wood. Now we have a wealth of energy sources to choose from, including a growing range of (2) renewable energy technologies.
But what does the future hold? How can we keep (3) supplying energy to an ever-growing population? How much will it cost?
And what impact will the energy choices we make have on our living conditions and our planet?
In a report this year, the Internet Energy Agency experts electricity generation from renewable energy (4) sources to increase from 21 percent in 2012 to 33 percent by 2040. Morever, as battery technology inproves, it will be better able to support renewable energy sources, such as (5) solar and wind power.
Innovation in energy storage has already resulted in graphene technology used in batteries, which may be able to store more energy than existing lithium batteries.