【简答题】阅读理解。 Every 30 seconds there is an earthquake. But don't worry because most are so weak that they cannot be felt. Only a few big ones hurt people. Many earthquakes happened in China, such as the big o...
【简答题】阅读理解。 Every 30 seconds there is an earthquake. But don't worry because most are so weak that they cannot be felt. Only a few big ones hurt people. Here are some tips on how to stay safely in an earthq...