13. The novel contains some marvelously revealing ________ of rural life in the 19th century.

31.张老师认为教育就是为了要让学生学习知识，把握学习内容。张老师遵循的理论是（ ）。

19. So large is the Pacific, _____ 30% of the earth’s surface, that the energy generated by its warming is enough to touch off a series of weather changes.

16. I see no reason why they shouldn’t go on playing for another four or five years ______ they are fit enough. 

2.The principle stressed using multimedia would never replace the one-to-one ________ between pupil and teacher. 

29.

20. The Copenhagen conference is looking to agree on a(n) ________ that will be built on the current Kyoto Protocol.

32.

10.从内涵上看，社会意识形态包含了属于上层建筑的社会意识形式以及非上层建筑的社会意识形式。（ ）

17. —Why do you choose to work with special needs children?   —I think it will add a new _____ to my life.

36.

51. The author’s attitude towards divorce may best be described as “______”.