非决定性多项式完全性

By Robert Berger Jerusalem 30 September 2006 Labor unrest is growing in the Gaza Strip, where cash-strapped Palestinians are venting their anger at the government, led by the Islamic militant group Hamas. Hamas has rejected international conditions

发表于:2018-12-07 / 阅读(111) / 评论(0) 分类 2006年VOA标准英语(九月)

Morning Has Broken 破晓 -CAT STEVENS Morning has broken like the first morning. Blackbird has spoken like the first bird. Praise for the singing; praise for the morning; praise for them springing fr

发表于:2018-12-09 / 阅读(262) / 评论(0) 分类 赖世雄教你学唱歌

By Nico Colombant Dakar 15 February 2007 Many West African countries do not have enough money to pay teacher salaries on a regular basis or to refurbish schools. The result is a decaying educational system, with frustrated teachers, students and par

发表于:2019-01-31 / 阅读(100) / 评论(0) 分类 2007年VOA标准英语(二月)

Topics: The CIA; how to become a court interpreter and/or an interpreter for the U.N.; haunting versus haunted; completion versus completeness; to take (somebody) on Words: intelligence foreign advisor clandestine to tap a phone to bug to infiltrate

发表于:2019-02-15 / 阅读(33) / 评论(0) 分类 美语听力 English Cafe