单项选择题
A．it can bring us more knowledge B．it can make us rich C．they have too much money D．it is a good idea
We say Columbus made the world larger, that is to say （...
单项选择题We say Columbus made the world larger, that is to say （）
A．he founded America B．he invaded America C．he was a brave man D．he discovered the continent of America
The people in ancient times couldn't travel too far awa...
单项选择题The people in ancient times couldn't travel too far away places because （）
A．they found it no use doing so B．they liked staying at home C．there was no modern transportation D．they were forbidden to go to other countries
The reason why people like to fly today is that（）A．it i...
单项选择题The reason why people like to fly today is that（）
A．it is interesting B．it is cheaper than to go in any other way C．it can cross the wide oceans D．it takes less time
