工器具及生产家具购置费的计算方法为()。
A、设备购置费×定额费率
B、原价+运杂费
C、原价×(1+运杂费率)
D、原价×(1+运杂费率)×(1+损耗率)
参考答案:A
I saw LiMing ______ near the river on my way home just now .
A.plays
B.playing
C.to play
D.played
什么是推力轴承?