1. Enterprise rs, study from him to earn more and consumers can benefit more from the superior products .
2. In an essay whose title is "Analysis of Frequency of Tests and Varying Feedback Delays in College Mathematics Achievement" written by Townsent neal R and Wheatley Grayson H, the authors tell us about the experiment: Sixteen beginning analytic geometry and calculus classes (442 students) followed eight testing regimes for one academic quarter.
3. R: I know that you has worked in the DMP and my question is why is this project necessary?
4. R: I heard that this project cost a large sum of money, and do you think it worth so much money?
5. R: Thank you for receive my interview.
6. R: Goodbye, Mr. Levoy.
7. Reporter--R, Marc Levoy--M\
8. R: reporter L: Marc Levoy\