Electricity is a type of energy that was discovered over 100 years{#blank#}1{#/blank#} One of the most common {#blank#}2{#/blank#} (way) to make electricity is changing other energy sources(来源), such as coal, oil, solar, wind {#blank#}3{#/blank#} falling water. You may not even realize that electricity is a huge part of {#blank#}4{#/blank#} (you) everyday life. Basically, it {#blank#}5{#/blank#}(keep) your home and school warm in winter and cool in summer. Without it, you would never {#blank#}6{#/blank#} able to watch your favourite TV show or listen to your MP3 player. Have you ever imagined a world in which you can't {#blank#}7{#/blank#} (turn) on a light, a computer, or even use the phone? So electricity is {#blank#}8{#/blank#}(importance) to us and we need electricity.  That's why it's time to rethink {#blank#}9{#/blank#}(us) relationship with the valuable resource and think about how we can do our part in {#blank#}10{#/blank#} (use) it wisely.