The methods used in Asynchronous Transfer Mode (ATM)are switch technology and(17)is used to describe this mode. A．cell exchange B．message exchange C．information exchange D．packet exchange

49（） A: information that have B: information they have C: information that has D: information that was

Thanks for giving me______I wanted. A: a information B: the information C: an information D: one information

“ 一条信息 ”怎么翻译？ A: a information B: one information C: the information D: a piece of information

“Given” information is __________. A: the known or previous information in the sentences B: the key information in the sentences C: the old-fashion information in the sentences D: the expired information in the sentences

​Environmental information does not include the following:​​​ A: Political environment information B: Economic and environmental information C: Social and cultural environmental information D: Technical environment information E: Financial information

I opened a letter and it contained（） A: a important information B: an important information C: the important information D: important information

Thanks for giving me__________I wanted A: the information B: an information C: , the informations D: information

I want________about the matter. A: some informations B: an information C: some information D: a information

This is ________ that we all think it’s very important. A: such useful information B: so useful an information C: so useful information D: such a useful information