难点解析It is a huge job to control Yellow River erosion.控制黄河水土流失是一项巨大的工程【学】本句是It作形式主语的结构to control Yellow River erosion是句子本来的主语原句应该为To control Yellow River erosion is a huge job为了避免句子有头重脚轻之感用it作为形式主语是英语中

难点分析 Widespread poverty in Africa means that many people there cannot get the water clothing housing electricity or education they need. 非洲普遍的贫穷意味着那里的许多人不能获得他们需要的饮水衣服房屋电力或教育[考点一] 句中mean后跟that引导的宾语从句th