仁愛版九上《topic 3 would you like to be a greener person》c(文件)
【正文】 oblem, people all over the world are looking all the time for new ways to produce power. a b c c ______China is one of the first countries in the world to use biogas technology. Farmers recycle straw, grass and animal waste to make biogas. This renewable energy is used in people’s everyday life. a b c Choose the right picture for each paragraph. ______ Electric vehicles were developed in the 1990s. Now there are electric vehicles in many countries. They are very efficient and cost very little to run. Although electric vehicles produce no pollution, there will be an increase in electricity needs if they are widely used. a a b c ______ In China, the bestknown maglev train is the Germanbuilt one in Shanghai. It takes people 30km to the airport in just 7 minutes and reaches a top speed of 431 km per hour. It
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