170、下列作品中,用了第一人称和先抑后杨手法的是( )

13、When Sarah and I ( ) on an article for the school newspaper, we found it difficult to work together.

12、We’d better limit brief quotations to ( ) per page.

11、On the whole, we can employ ( ) long quotations every three or four pages.

10、The ( ) provides the reader with a summary of the argument as well as its implications.

9、In the topic outline every heading should be a/an ( ) or its equivalent.

8、All researches are based on ( ).

7、The pronoun ( ) can appear in formal writing.

6、The word ( ) can appear in formal writing.

5、Formal writing does not use ( ) person pronouns.

4、A research paper has two forms. One is a report paper, the other one is a(n) ( ) paper.