斯皮尔曼认为（）是人的一切智力活动的共同基础
A.晶体智力
B.特殊因素
C.流体智力
D.一般因素
参考答案：D
—Why did you come back so early?
—Because the English Party has been _____ till next Friday. [ ]
A. put on
B. put off
C. put away
D. put out
耙斗上升至清污机卸污工位后，耙斗闭合，污物倒入集污斗并滑落入底集污槽，冲洗水流再将污物汇集至专用垃圾箱中。
