2012年软件水平网络工程师考试英语考前冲刺题（10）
Ｂluetooth is a universal radio interface in the __(1)__frequencyband that enables portable electronic devices __(2)__ connect andcommunicate __(3)__via short range,ad hoc net Works .Each unit can simultaneously communicate with up to__(4)__other units per piconet.Moreover,each unit can simultaneously __(5) __to several piconets,Bluetooth technology which apart fromEricsson,has gained th support of Nokia,IBM,Toshiba,Intel and manyother manufactures,eliminates ths need for wires,cables andconnectors for and between cordless or mobilephones,modems,headsets,PDAs,Computers,printers.projectors,local areanetworks,and so on ,and paves the way for new and completelydifferent devices and applications。(1) A.2.45GHZ B. 4.45GHZ C. 2.95GHZ D. 1.45GHZ
(2) A.inB.onC.toD. with
(3) A.narrowlyB.wirelessly C.freelyD.widely
(4) A.use B.sever C.host D. base
(5) A.relateB.add C.close D. belong
答案:1:A,2:C,3:B,4:B,5:D
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