A _____（化学）change takes place in paper when it burns.

根据下列句子及所给汉语注释，在该大题下面相应序号横线上写出空缺处各单词的正确形式（每空仅填一词）。

1．He is quite an able man, and all of us have a great             （尊敬）for his ability．

2．We are advised to        （参考）to the books in our work．

3．A          （化学）change takes place in paper when it burns．

4．Our headmaster asked you to give him the            （摘要）of your report today．

5．He is a           （失败）as an artist, but a success as an art teacher．

6．If we work with a strong will, we can       （克服）any difficulty, no matter how great it is．

7．He is a            （好奇）boy who is always asking questions．

8．With the             （接近）of Christmas, the weather turns colder．

9．In some culture theme parks, you can have pictures taken in the clothing of          （少数民族）people．

10．Chaplin himself wrote and              （导演）the movies most of which he starred in．