【简答题】Listen to the following song, “Solar Energy,” sung by Ron Brown. Learn to sing it and fill in the missing words in the following lyrics. Solar Energy Oh, the sun is a star. It’s our closest__1____. It...
【简答题】Listen to the above song, “Solar Energy,” sung by Ron Brown. Learn to sing it and fill in the missing words in the following lyrics. Oh, the sun is a star. It's our closest 1 . It's just 93 million mi...
【简答题】_______, the 1900s was the century of energy conflict.Now, the____ of a new energy era is just_______— with the prices of solar power_____, anddistributedgeneration and energyefficiency_____ taking of...