The fifth-generation computers,with arti

最全题库2022-08-02  28

问题 The fifth-generation computers,with artificial intelligence,( )and perfected now.A.developed B.have developed C.are being developed D.will have been developed

选项 A.developed
B.have developed
C.are being developed
D.will have been developed

答案 C

解析 考查进行时的被动语态。空格处动词应用被动语态,首先排除A、B两项。C、D两项的区别在于时态不同,根据句尾的now可知,应选择进行时,因此C项符合要求。故本题选C。句意:人工智能的第五代计算机目前正在被开发和完善中。
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