1861年俄国农奴制改革对俄国资本主义发展的促进作用不包括
A.扩大了自由劳动力的来源
B.增加工业投资资本
C.扩大了国内市场
D.彻底扫除封建势力
答案:D
They decided ______ for the children in Yunnan earthquake area.
A.do something
B.to do something
C.doing anything
D.done anything
TY-220型推煤机发动机油压表正常指示应为()色范围。
A.绿
B.红
C.白