软件水平考试网络工程师英语复习练习题2套

第2套
Bluetooth is a universal radio interface in the (1) frequency band   that enables portable celectronic devices (2) connect and   communicate (3) via short range,ad hoc networks.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 from Ericsson,has gained   the support of  Nokia,IBM,Toshiba,Intel and many other   manufactures,eliminates the need for wires,cables and connectors    for and between cordless or mobile phones,modems,headsets,PDAs,      Computes,printers,progjectors,local   ares networks,and so on ,and paves the way for new and completely  different devices and applications. 
(1). A.2.45GHz  B. 4.45GHz    C. 2.95GHz     D. 3.45GHz  
(2). A.in       B. on          C. to    D. with  
(3). A.narrowly  B.wirelessly  C.freely  D.widely 
(4). A.use       B.sever      C.host    D.base 
(5). A.relate     B.add       C.close    D.belong 
答案:1:A,2:C,3:B,4:B,5:D