单项选择题

A．To look for a different lifestyle.
B．To enjoy themselves.
C．For adventure.
D．For education.
<上一题 目录 下一题>
热门 试题

单项选择题
A．They devote a lot of time to theoretical problems.B．They spend most of their time looking through telescopes.C．They are constantly analyzing data.D．They often live near observatories.
A．They devote a lot of time to theoretical problems.
B．They spend most of their time looking through telescopes.
C．They are constantly analyzing data.
D．They often live near observatories.
填空题
moment
相关试题