23吨70千克=______吨2小时15分=______时.
(1)23吨70千克=23.07吨;
(2)2小时15分=2.25小时.
故答案为:23.07,2.25.
—John, why are you going to fly to South Africa next week?
—______ the FIFA World Cup 2010.
A.Seeing
B.See
C.To see
D.To be seeing
润滑“五定”是指定点、定人、定质、定量、()。