[填空题]以政府集权管理为特点的苏联体育体育的确立标志是（）。

During recent years we have heard much about "race": how this race does certain things and that race believes certain things and so on. Yet, the (1) phenomenon of race consists of a few surface indications.
We judge race usually (2) the coloring of the skin: a white race, a brown race, a yellow race and a black race. But (3) you were to remove the skin you could not (4) anything about the race to which the individual belonged. There is (5) in physical structure, the brain or the internal organs to (6) a difference.
There are four types of blood. (7) types are found in every race, and no type is distinct to any race. Human brains are the (8) . No scientists could examine a brain and tell you the race to which the individual belonged. Brains win (9) in size, but this occurs within every race. (10) does size have anything to do with intelligence. The largest brain (11) examined bel
A. in
B. from
C. at
D. on

某机电安装工程公司承担了一座36层高楼的防雷安装任务。为确保人身安全，安装工程公司派两名设计人员随同施工队一起参加工作。经多次安装检查无误后，项目才正式完成使用。