At the international meeting, the famous expert gave an excellent speech _____ on his recent research.
A: asing
B: . based
C: to be based
D: to base
A: asing
B: . based
C: to be based
D: to base
举一反三
- At the international conference, the famous scientist gave an excellent report ________ on his recent experiment. A: basing B: based C: to be based D: to base
- At the international conference, the famous scientist gave an excellent report ________ on his recent experiment.
- At the international conference, the scientist gave a report (base) ______ on his recent experiments.
- Based on nature of information, what are the major types of research? A: Descriptive research & Analytical research. B: Theoretical research & Library research. C: Empirical research and Field research. D: Applied research and Theoretical research.
- Research based on observational methods can be broadly classified as ______ or qualitative research.