题目

阅读理解Evening Workshops Optional evening workshops will be held atsmall restaurants or other meeting places near the conference hotel. Meals and other costs are not included but arealso optional. Locations will beannounced at the conference site.Workshops are very loosely organized and most represent discussions thathave been held at Society for Economic Botany(SEB)meetings over a series ofyears. Workshop 1:Student Network Date: Wednesday evening, Feb. 5th Chairs: Hugo de Boer and Arika Virapongse Sponsor: Society for Economic Botany Description: Student members of the SEB hold anetwork能直观反映自然地理环境特征的环境要素是A．气候和地形B．植被和土壤C．水文和植被D．气候和土壤