21. Who will be most threatened by automation? [A] Leading politicians. [B] Low-wage laborers. [C] Robot owners. [D] Middle-class workers.
【参考答案及解析】
D. Middle-classworkers.
正在整理中,欢迎在文下评论区提供答案解析,谢谢!
D. Middle-classworkers.
正在整理中,欢迎在文下评论区提供答案解析,谢谢!