单项选择题

An analogy was used to compare the way one could fly in the Solo Flyer to（）

A．how a helicopter flies
B．how the Jetsons fly
C．how the airphibian flies
D．how Superman flies

<上一题 目录 下一题>
热门 试题

单项选择题
Paul Moller's flying car is different than an airplane because （）

A．it has no wings
B．it uses solar power
C．it takes off and lands vertically
D．it can land on water
单项选择题
Jet belts and rocket belts were developed （）

A．20-30 years ago
B．50 years ago
C．recently
D．30 years ago
相关试题