导线的安全载流量主要取决于线芯的截面积和电阻率。

以下不属于接口作用的是( )。

A．能够实现数据格式的转变

B．可以实现地址变换，形成物理地址

C．能够实现数据传送的缓冲作用，使主机、外设速度匹配

D．能够记录外设和接口的状态，以利CPU查询

水的密度是1×10³ kg/m³，其物理意义是_______________________________________．

software design is a (111) process．It requires a certain (112) of flair on the part of the designer.Design can not be learned from a book．It must be practiced and learnt by experience and’study of existing systems.A well (113) software system is straightforward to implement and maintain，easily (114) and reliable.Badly (115) software systems，although they may work are (116) 2 to be expensive to maintain，difficult to test and unreliable．

A．create

B．created

C．creating

D．creative

农村资金互助社的筹建期为自批准决定之日起（）个月。

A.1

B.2

C.3

D.6

宋代将“太医署”改为“（）”，主管“（）”，与（）共同承担宫廷医疗。