Complete the following expressions by using formal academic words from " Research Reports for Technical Writing" with the help of the Chinese in brackets. 1) research (研究项目) 2) the of the report (报告的核心) 3) of the problem (对问题的精确陈述) 4) a research (做研究) 5) the credibility of the researcher (提升研究者的信誉度) 6) literature to the topic (与研究主题相关的文献) 7) one’s hypothesis (证实某人的研究假设) 8) a conclusion (得出结论) 9) of the results (研究结果的效度 / 有效性) 10) research questions that (仍无法回答的研究问题)