操作系统的功能是进行处理机管理、（）管理、设备管理和信息管理A、进程B、存储器C、硬

采购的原则包括()。

A．就地就近购买

B．选准供货商

C．以需定购

D．价格低廉

E．择优选购

外感寒邪易致（）

A.阳偏盛

B.阴偏盛

C.阳偏衰

D.阴偏衰

E.阴阳两虚

某可比实例成交价格为2000元/m²，房地产状况方面与估价对象相比稍差，经过比较，该实例可得80分，估价对象房地产可得90分，其修正的结果为( )元/n²。

A．1777.78

B．2222.22

C．2250.00

D．2500.00

Divorce is the act by which a valid marriage is dissolved, usually freeing the parties to remarry. In regions in (1) ancient (2) authority still predominates, divorce may be (3) and rare, especially when, as among Roman Catholics and Hindus, the religious (4) views marriage (5) indissoluble. Custom, (6) , may make divorce a simple matter in (7) societies. (8) some Pueblo Indian tribes a woman could divorce her husband (9) leaving his moccasins on the doorstep. The (10) of individual determination and mutual (11) are making divorce (12) acceptable in the (13) parts of the world.

Among premodern societies, the rate of marital stability is difficult to (14) (15) the varying definitions of (16) and divorce. It seems to be broadly true (17) wherever divorce is a legal impossibility the wedding is a well-defined event conducted with (18) formality. The (19) principle does not hold true: elaborate marriage ceremonial is quite compatible with high divorce rates. Many anthropologists agree that divorce is generally more permissible in matrilineal societies (20) in patrilineal ones, in which the procreative and sexual rights of the bride are often symbolically transferred to the husband with the payment of bride-price.

1（）

A.which

B.where

C.how

D.when

算法的基本特征是可行性、确定性、______和拥有足够的情报。