单项选择题

The best title for the passage is ______.

A．"Traveling Becomes Easier"
B．"The Invention of the Wheel"
C．"The Stagecoach in America"
D．"The Importance of Wheel"
<上一题 目录 下一题>
热门 试题

单项选择题
By his outdoor cousins the author means ______.
A．other experimenters
B．the other doves of the same brood
C．doves under the natural sky
D．other birds in general
单项选择题
In total darkness, doves ______.
A．use landmarks
B．don't know which way to fly
C．fly back home
D．wait for the stars to appear
相关试题