1 . Jackson made great ______ (贡献) to children’s medicine. （根据汉语提示单词拼写）

2 . Failure can make positive ________(贡献)to your life once you learn to make good use of it. （根据汉语提示单词拼写）

3 . He had been honored for his financial c________ which was made to help the community. （根据首字母单词拼写）

4 . It is our duty to make ______ (contribute) to our motherland. (所给词的适当形式填空)

5 . The invention of paper was a great ________(贡献) to human civilization. （根据汉语提示单词拼写）

6 . To make our country stronger, everyone should make his/her ________ (contribute). （所给词的适当形式填空）

7 . As the world’s second-largest economy, China wants to make its c_________ to the development of human civilization. （根据首字母单词拼写）

8 . He made a very positive________ (贡献) to the success of the project. （根据汉语提示单词拼写)

9 . He was awarded a prize for his_______ (贡献) to world peace. （根据汉语提示单词拼写）

10 . These measures would make a valuable ________ (贡献) towards reducing industrial accidents. (根据汉语提示单词拼写）