When youa friend that you haven't seen for a long time and have a good chat with him, you may feel very happy and delighted. A: get into B: stand up for C: run into D: speculate on

中国大学MOOC: As a reader of research papers, titles are important since they give youa quick indication of the content of a paper. Titles are also useful for youwhen you write your own research paper. Decide which of the following arereasons that a title is useful as a writer of a research paper.