The fifth-generation computers，with artificial intelligence，( )and perfected now.

[单选题]The fifth-generation computers，with artificial intelligence，( )and perfecte

[单选题]The fifth generation computers, with artificial intelligence, ________ and

[单选题]Thefifthgenerationcomputers,withartificialintelligence,_________andperfectednow.A．)developedB)havedevelopedC．)arebeingdevelopedD)willhavebeendeveloped

[单选题]A．rtificial intelligence (AI) ,an interdisciplinary field, is usually regarded as a branch of computer science, dealing with models and systems for the performance of functions generally associated with human intelligence, such as(71)and learning.In

[单选题]---- Sorry, I have to ______ now. It’s time for class.---- OK, I’ll call back later.A． hang up B. break up C. give up D. hold up

[单选题]24．________ in Grade Eight now．A． John and his sister are bothB． John isC． John's sister isD． Michael is

[单选题]24． The writer is_________ now．A． a businessmanB． also a teacherC． still a student

[单选题]It’s raining now. Stop ________ , pleaseA．workingB．workC．to workD．works

[单选题]Mary ______ anything in the shop just now.A.won't buyB.didn't boughtC.didn'

[试题]30．1t is afternoon now．