A．It is uncertain whether English will be the world language in the furore．
B．Spanish is very likely to become the top language of the world by 2050．
C．Most people in the world will learn to speak Chinese in the future．
D．It is difficult for Arab countries to standardize their language．
A．It can develop the communicative ability with foreigners．
B．It can boost driving ability during the day．
C．It can promote the understanding of the society．
D．It can improve the hand-eye coordination．
A．People playing games make decisions much faster than most people．
B．People playing games can focus on more things at once than common people．
C．People playing games often get confused when focusing on many things at once．
D．People playing games prefer to sell video and computer games．