Read the following expressions chosen from academic introductions, and identify what part of an introduction each expression refers to. (1分) 1. However, little work has been undertaken on the behavior of O/W emulsions under extreme pressure conditions.
选项:
A:Background of the study
B:Existing studies on the problem
C:Problems with existing studies
D:Research objectives
E:Significance of the study of that problem
F:Research contents G、Description of the skeleton of the research
发布时间:2024-04-07 19:47:05