1. 根据句意及汉语提示完成单词。

1. （1） He(声明)that China and Russia were developing a strong relationship.　

3. （2） What each of us is doing may cause(后果)to the environment in the future.

5. （3） For such an important problem，we shouldn't decide it(草率地)．

7. （4） Your work has improved in (数量) and quality this term.

9. （5） The cooker isn't working because of an(电)fault.

11. （6） There is some(分歧) on this issue.

13. （7） He has made a(贡献) to the project.