单词篇：（单词应用6~7）

• delight [adj.] 高兴的，愉快的
• 2002-6 阅读
• So biologists were delighted early this year when, with the help of the Navy, they were able to track a particular blue whale for 43 days, monitoring its sounds.
  
  
• playmate [n.]玩伴
• 2005-12 阅读
• A three-year-old might need help in understanding that other children feel pain just as he does, and that hitting a playmate over the head with a heavy toy requires an apology.
  
  
• climate [n.]气候
• 2011-6 阅读
• More than 90% of the human and economic losses from climate change are occurring in poor countries, according to the report.
  
  
• welfare [adj.]福利的&（美国）社会保障金
• 2000-6 阅读
• While still in its early stages, welfare reform has already been judged a great success in many states—at least in getting people off welfare.
  
  
• learn [v.]学习
• 2006-6 阅读
• Or they may wish to expose their children to another culture, and the opportunity to learn a second language.
  
  
• event [n.]事件
• 2010-12 听力
• They’re also sharing information about concerts and sports events as well as jokes and their philosophies of life.
  
  
• concept [n.]观念
• 2006-12 阅读
• And by focusing attention on healthy ways of living, the concept of wellness can have a beneficial impact on the ways in which people face the challenges of daily life.
  
  
• eventually [adv.]终于
• 2013-6 阅读
• The pledge is currently worth about $150 billion, but the programme predicts it will eventually be worth $600 billion.
  
  
• concentration [n.]浓缩
• 2005-1 阅读
• A study published recently in the journal Nature shows that air-borne leaded gas emissions from the United States were the leading contributor to the high concentration of lead in the snow in Greenland.
  
  
• explanation [n.]解释
• 2013-6 阅读
• Although many attribute Kodak’s downfall to “complacency,” that explanation doesn’t acknowledge the lengths to which the company went to reinvent itself.