What they produced has not much _______ value. But it is very useful to their research.
举一反三
- What they produced has no any _______ value. But it is very useful to their research. A: filter B: fold C: partial D: commercial
- 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.
- Sources from leading scholars can be very useful to your research.
- What is "directed" research A: Theory research. B: Casual research. C: Technical research. D: Designed research.
- 33.Do you know what ______ so much greenhouse gases in the air? A: producing B: has produced C: will produce D: produces