I taught him ___________ ping-pong. [ ]
A. played
B. to play
C. playing
答案:B
()与物流业相关。
A.军事领域
B.生产领域
C.流通领域
D.无形资产领域
E.生活领域
等腰三角形中有一个角是40°,则另外两个角的度数是( )
A.70°,70°
B.40°,100°
C.70°,40°
D.70°,70°或40°,100°