单项选择题

A．Welding car.
B．Computer.
C．Machine.
D．Science fiction.
<上一题 目录 下一题>
热门 试题

单项选择题
The passage is chiefly about ________.
A．an effort to protect an endangered marine species
B．the civilian use of a military detection system
C．the exposure of a U. S, Navy top-secret weapon
D．a new way to look into the behavior of blue whales
填空题
coastal
相关试题