下图是河外星系、太阳系、地月系三者的关系图(圆的大小代表天体系统层次的高低),其中正确的是
A.A
B.B
C.C
D.D
答案:D
( )可通过一定渠道或选择一定的方式,公布有关招聘信息。
A.人力资源管理
B.物业管理企业
C.物业日常管理
D.信息安全管理
Sporting activities are essentially modified forms of some old style hunting behavior. Viewed (36) , the modern football player can be (37) as a member of a disguised hunting pack. His killing (38) has turned into a harmless football and his (39) into the goal-posts. If his aim of the very hunting is enough (40) and be scores a goal, he enjoys the hunter’s (41) of killing his prey.To understand how this (42) has taken place we must briefly look back at our (43) ancestors. Once upon a time, they hunted everyday, and finally became good at it. They spent over a million years evolving into cooperative hunters. Their very survival depended on success in the hunting-field. At that time, they knew nothing about growing plants. (44) . They became chasers, runners, jumpers, aimers, throwers and prey-killers. Cooperation made them skillful male-group attackers.Things didn’t change for a very long time. (45) Their improved intelligence, so vital to their old hunting life, was put to a new use—that of penning, controlling and domesticating their prey. They do not need to risk their lives everyday. The hunting became suddenly obsolete. (46) .