What __________ Li Ming have now?[ ]
A. is
B. does
C. did
D. about
答案：B
显微具树脂遒的药材有：（）
A.人参
B.西洋参
C.三七
D.桔梗
E.当归
直埋电缆与城市道路平行时、其间距不得小于（）MM
A.0.7
B.0.5
C.0.3
D.0.1
