（）、GPS、RS已经成为GIS重要的数据来源，保证GIS数据库的适时更新。
A.CS
B.WPS
C.ES
D.DPS
参考答案：D
— Where did you get to know her?
— It was on the farm ________ we worked.[ ]
A. that
B. there
C. which
D. where
治疗肺癌肺脾气虚证，应首选（）
A．导痰汤
B．温胆汤
C．六君子汤
D．七味白术散
E．补中益气汤
