1，对健康构成潜在威胁 pose a threat to health2，供应不足 be in short supply19，垃圾分类 garbage classification20，破坏环境 ruin the environment21，提高大众的环保意识promote the public aw
1，具有别人不可比拟的优势have an incomparable advantage over others2，承担责任 assume one’s responsibility3，基础知识 rudimentary knowledge4，缺乏自信 lack of confidence5，适应 adapt on
2009.02.07 Task 1: 柱状组合图 The bar charts below show the information about smoking habit of teenagers by gender and age from 1995 to 2005。 Summarise the information b
