This kind of response shows he has no interest in you. Most of professors will response in this way. As far as I know, every Purdue professor can choose the students they like, that is why 套词 is very important.
Undergraduate Cumulative Grade Point Average: Minimum GPA of 3.25/4.0 (3.6 is the typical average) Graduate Record Examination (GRE) - Required: Target GRE verbal is approximately 550 and higher; 156 and higher on revised GRE Target GRE quantitative is approximately 750 and higher; 159 and higher on revised GRE Additional International Applicant Requirements:
Undergraduate Cumulative Grade Point Average: Minimum GPA of 3.25/4.0 (3.6 is the typical average) Graduate Record Examination (GRE) - Required: Target GRE verbal is approximately 550 and higher; 156 and higher on revised GRE Target GRE quantitative is approximately 750 and higher; 159 and higher on revised GRE TOEFL for Non-Native English Speakers: Minimum Paper-Based Test (PBT) Score Required: 550 Minimum Internet-Based Test (IBT) Overall Score Required: 77 With the following minimum section requirements: Reading: 19 Listening: 14 Speaking: 18 Writing: 18