1. Ever since early the last century-, electricity has become an essential part of our modern life. ________________________________________________________________ 2.If there were no electric power, ___________________________________________________ 3. Therefore, _____________________________________________ What Would Happen If There Were No Power

A．Modern African politicians approve of tribal divisions.
B．A person is usually taken care of by his own tribe.
C．Africans consider it an obligation to give a job to a fellow tribesman.
D．Tribalism is still a powerful force in day - to - day African life.

A．Sharing among members of the extended family.
B．Giving a job to a fellow tribesman.
C．A force that can be both good and bad.
D．People have the same religious belief.