单项选择题

A rocked is pushed up into the air when ______.

A．hot gas rushes out its head
B．it is powered by gas
C．hot gas rushes out of its bottom
D．hot gas rushes out of its neck
<上一题 目录 下一题>
热门 试题

单项选择题
What is a rocket made of
A．It is made of rubber.
B．It is made of metal.
C．It is made of air.
D．It is made of balloon.
单项选择题
Rocket can fly to the moon because ______.
A．it looks like a balloon
B．it is lighter than an airplane
C．it doesn"t have wings
D．it works like an untied balloon
相关试题