chalkboard黑板；prepubescent青春期前的；substitute A for B 用A替换掉B；less charitable 不厚道的；answer key 试题答案；distinctive特别的，有特色的；languish失去活力；throw a match故意输掉比赛；展开全文 原微博
阅读词汇：Sumo Wrestler相扑手；Ku Klux Klan 3K党；antidote 解药；nature-nurture先天与后天；knack 诀窍；self-effacement 谦虚；riddle 谜；feast享受；intriguing 迷人的；class-action lawsuit 集体诉讼；ruled in favor of 裁决支持；pro-life 反堕胎的；in the wake of 随。。。后（贬）展开全文 原微博
听力难点：The president's supporters are calling for a yes vote (赞成票) in the referendum on the new constitution, his opponents want the actual vote postponed, something the government has refused to do展开全文 原微博
听力难点：Once again, Egyptians have come out in force (大量出现) to the streets. Despite heavy security, members of the opposition managed to leave away (移走) some of the concrete blocks protecting the presidential palace, allowing the protesters closer to the palace itself.展开全文 原微博
