题目

China is the world's largest emitter（发射体） of carbon pollution．But Beijing has worked to improve environmental management and reduce pollution in recent years． China has made a plan to be agreen developmentmodel over the next five years，increasing the share of non﹣fossil fuels（非矿物燃料）．The plan is to use wind，solar，biomass，water and geothermal energy．Beijing also says it will find cleaner ways of burning fossil fuels like coal． China is already the global leader in clean energy investment．According to a new government report，the share of 17．在草原上，狮子的奔跑速度是非常快的，原因是（　　）A．为了捕食生存B．为了比赛C．为了寻找同伴D．为了炫耀