脾气虚证以（）（）及气虚证为主要辨证依据。
参考答案：食少腹胀；便溏
The boy was last seen near the West Lake. [ ]
A. missing; playing
B. missing; play
C. missed; played
D .missed; to play
光交箱基座高度，离水平地面至少（）cm
A.10
B.20
C.50
D.60
