从总体上审视洋务运动……在中国搞现代化运动还是具有便利条件的，如中国人不排斥引进先进的技术和设备，与欧洲现代化开始时相比，中国男人的文化水平一般要高出很多。但是士大夫阶层参与度不够，致使洋务运动的中坚力量人才长期匮乏。”由此可知，材料认为阻碍洋务运动发展的根源在于（   ）

《永遇乐·京口北固亭怀古》感叹东吴那个强盛的局面，孙权那个英雄、风流余韵，都经历了无数的风雨，一去不返了，只留下京口供后人欣赏凭吊而已的句子是：____，____。 

The Penguins

    Skipper and his fellow penguins were originally just supporting roles in animated film Madagascar (2005). But in 2008 they took leading roles in their own TV series, and in 2014 starred in the film Penguins of Madagascar. The penguins' wisdom and humor not only appeal to kids, but also serve adult audiences well. So, it's not surprising that they get their own movie.

Scrat

    A small and furry squirrel with a long tail from animated movie Ice Age (2002), Scrat played a supporting role but has won the hearts of both children and grown-ups with his persistence(毅力). In the film, his chasing after his prized acorn(橡子) causes an Earth-shattering geological event. Scrat is a big part in the lasting attraction of the movie series Ice Age. Today, Scrat has his own animated mini-movies.