How fast does the new micro____ the data

函数y=cosax的周期为2，则正数a=______．

与乙状窦相交通的是（）。

A.顶导静脉

B.额导静脉

C.乳突导静脉

D.枕板障静脉

E.颞前板障静脉

甲在成衣店加工一套西装。取货时，因带钱不够支付加工费，得到成衣店同意将一条金项链留下，过几天交费取回金项链。成衣店享有金项链（）。

A.留臵权

B.抵押权

C.质权

D.典权

The Simple Network Management Protocol (SNMP)is an (66) protocol that facilitates the exchange of management information between (67) . It is part of the Transmission Control Protocol/Internet Protocol(TCP/IP) protocol suite. SNMP enables network (68) to manage network performance, find and sole network problems, and plan for (69) An SNMP -managed network consists of three key components: managed devices , (70) ,and network -management systems .

A. network stations B. network clients C. network devices D. network servers

建筑材料采购合同中，凡委托运输部门或单位运输、送货或代运的产品，交货期限一般以（）的日期为准。

A.需方收货戳记

B.承运单位送达交货地点

C.承运单位签发

D.供方向承运单位提出申请