题目

The earth is faced with a serious power problem now and all of us are influenced by it. Should we leave everything to the government, or can we do something to save power? The answer is clear. If not us, who? Let us look at how you can save power at home.Computer: More often than not. We do not turn off our monitors (显示器) even after we have shut down our computers. And we often leave our computers on when we walk away to do something else. Keep the monitor and the computer shut off when you are not using them. Start doing this even when at work. You will help save some of the earth's imp海洋中的珊瑚虫大多群居生活，虫体一代代死去，但它们分泌的外壳却年深日久地堆积在一起，慢慢形成千姿百态的珊瑚．珊瑚虫体内有藻类和它共同生活，并为其提供用于呼吸的氧气，而珊瑚虫的废物则可作为藻类的养料．（1）珊瑚是________（选填“生物”或者“非生物”）． （2）珊瑚虫体内有藻类和它共同生活，藻类为其提供氧气的同时正在________（选填“贮存”或“释放”）能量．