单项选择题
A. just like that B. almost not like that C. more than that D. not at all like that
A. its intelligence and cost are beyond question B. it is able to bear the rough environment C. it is made as complex as the human brain D. its architecture is different from that of the present ones
A. it promotes family unity B. it helps them develop their speaking ability C. it affects their life in many ways D. it challenges society