The word "bot" in "Yotel New York has such a bot" (Para. 5) means
A. robot
B. bellboy
C. bottom
D. hotel
查看答案
True or false? By 2020, all chipswill have the computationsal power of a human brain.
A. True
B. False
True of False? By 2020, AI will create more jobs than it kills, but the skills for the new jobs will be more demanding.
A. True
B. False
True of false? It is highly probable that Oprah Winfrey will run the presidential race in 2020.
A. True
B. False
在喷管中进行等熵流动,若背压大于临界压力,则应选择( )。
A. 渐缩管
B. 渐放管
C. 缩放管