What are the three types of an abstract?
选项:
A:An indicative abstract, an informative abstract and an indicative-informative abstract.
B:An indicative abstract, a descriptive abstract, and an indicative-informative abstract.
C:An indicative abstract, a descriptive abstract, and an informative abstract.
D:None of the above.
发布时间:2024-04-11 10:12:34