．Researchers from MIT, Harvard reported a study of human brains yesterday that may______ some new information for mental illnesses.

A．create

B．provide

C．expect

D．imagine

叉车的最大起升速度，直接影响叉车的作业效率，提高叉车的起升速度是国内外叉车制造业技术改进的共同趋势。