（题文）— Columbus was a man who changed the world. — I agree. His 　　　　 of America w

题干

（题文）— Columbus was a man who changed the world.
— I agree. His 　　　　 of America was one of the greatest events in human history.

A．invention

B．discovery

C．appearance

D．agreement

上一题下一题 0.65难度单选题更新时间:2017-05-15 01:32:54

小学学科试题库

初中学科试题库

高中学科试题库