【简答题】News Report Study the following before listening. boost n. 提高,增加; price tag 价格标签; 价格,费用 assemble v. 集合,收集 engage v. 从事; 参与 tsunami n. 海啸 victim ...
【单选题】听力原文:Malaria is one of the three most prevalent serious diseases in the world.The others are tuberculosis and AIDS. Nearly 500 million people are infected worldwide each year. More than one million di...