第二次世界大战给人类提供的经验教训有（  ）
①防止法西斯死灰复燃
②绥靖政策对大战的爆发起了推波助澜的作用
③落后就要挨打
④国际反法西斯统一战线是战争胜利的重要保证

    Liu Fang is a famous pipa soloist, ____ whose music is strongly influenced by traditional singing. ____ (graduate) from Shanghai Conservatory of Music, ____ she studied the pipa and the guzheng, she went back to work in her hometown Kunming. She then moved to Canada in 1996 and ____ (live) there since then. For her, the biggest challenge of playing the pipa is to respect the traditions but____ (add) her own style. In her opinion, classical Chinese music and traditional Chinese painting are quite ____(like). The former has ____ (silent) that is full of music ____ the latter features empty spaces which give life to the whole painting. As a soloist, she enjoys performing live, for she likes the atmosphere of a concert. Not having a concert for a long time may put her in a state of ____ (depress). She also enjoys the time immediately after the concert to share the feelings and ideas with the audiences, ____ (listen) to their opinions about the music.

①氖气____②钙离子____③乙醇____．

材料一：2016年2月29日，人力资@源社会保障部部长尹蔚民在国务院新闻办举行发布会，介绍就业和社会保障有关情况。据人社部统计，我国2015年城镇新增就业1312万人，同比下降了0．8%。在关于2016年我国就业形势问题上，尹蔚民表示，16年，我国就业形势依然复杂。

材料二：2010年，国家财政加强惠民支出，教育投入、农民和城镇居民基本医保、社保投入、保障性住房建设和水利建设五大类支出大幅增加，从而增加人民收入，改善民生。这表明，我国在社会财富“蛋糕”显然做大的同时，更加注重如何“切蛋糕”，实现“国强”到“民富”的转变。