1.8能源来源

□{"language":"en","fontFamily":"Times New Roman","fontSize":"18","autoformat":true}" class="Wirisformula" role="math" alt="广场" style="vertical-align:-3px;height:19px;width:18px">修建水力发电站对环境有影响。

□{"language":"en","fontFamily":"Times New Roman","fontSize":"18","autoformat":true}" class="Wirisformula" role="math" alt="广场" style="vertical-align:-3px;height:19px;width:18px">燃烧化石燃料会污染大气。

□{"language":"en","fontFamily":"Times New Roman","fontSize":"18","autoformat":true}" class="Wirisformula" role="math" alt="广场" style="vertical-align:-3px;height:19px;width:18px">风力涡轮机是利用重力势能转动的。

□{"language":"en","fontFamily":"Times New Roman","fontSize":"18","autoformat":true}" class="Wirisformula" role="math" alt="广场" style="vertical-align:-3px;height:19px;width:18px">煤和原油是可再生能源。

□{"language":"en","fontFamily":"Times New Roman","fontSize":"18","autoformat":true}" class="Wirisformula" role="math" alt="广场" style="vertical-align:-3px;height:19px;width:18px">地热能是从地下的热岩石中获得的。