按照传输介质分类,计算机网络可以分为( )、( )。
按照覆盖范围的地理范围,计算机网络可以分为( )、( )、( )
Fill in the blanks with the words. Change the form where necessary. Each word can be used only once.uncoveruneasyunloadAfter a two-month inquiry, the police have ________ the three men's intention to rob a bank and have arrested them.
Consumers say they are ________ about using their credit card over the Internet because they are afraid of Internet fraud and identity theft.