单项选择题

A．To prove the earth was round.
B．To gather information for planning space flights.
C．Because all spacecraft had to carry computers.
D．Because it can measure the size of the satellite.
<上一题 目录 下一题>
热门 试题

单项选择题
A．He had promised to do so.B．He had this kind of training before.C．He didn’t want to make the crowd disappointed.D．He needed the great amount of money.
A．He had promised to do so.
B．He had this kind of training before.
C．He didn’t want to make the crowd disappointed.
D．He needed the great amount of money.
单项选择题
A．The exams that she doesn’t pass.B．The titles of the term papers she wrote.C．The reason why her family didn’t travel anywhere 10 years ago.D．The places her family has traveled.
A．The exams that she doesn’t pass.
B．The titles of the term papers she wrote.
C．The reason why her family didn’t travel anywhere 10 years ago.
D．The places her family has traveled.
相关试题