填空题

Ground sea is formed when two plates are sliding toward each other and are tightly pushing together.

【参考答案】

NG

<上一题目录下一题>

热门试题

填空题

When an earthquake with level 7 in Richter scale rating is reported it means that its amplitude is ______ times stronger than a level 6 earthquake.

填空题

Thousands of earthquakes take place every day, but most of them are very gentle.