填空题

The Milky Way began to form about 11.5 billion years earlier than Earth.

【参考答案】

Y

<上一题目录下一题>

热门试题

填空题

Most theories about the evolution of Earth have the same general point of view.

问答题

礼貌的含义2．礼貌对我们社会的重要意义3．我们应该怎么看待礼貌 Good Manners