知识积累填空。

1．北京的风景名胜：                                                                          

2．我国著名科学家的名字：                                                                              

3．我国著名画家的名字：                                                                               

4．能代表春天的景物：                                                                                 

5．与恐龙有关的词语：                                                                              

滚动勘探