人类活动引发的地震，主要包括（）和（）。
参考答案：矿山诱发地震；水库诱发地震
用适当的介词填空。
l. China has many world records _____ its beautiful buildings and structures.
2. He has been a teacher _____ he was 18.
3. Mount Tai is located _____ Shandong Province.
4. He has walked _____ two hours.
5. The project will be finished_____2020.
草原火灾信息报送内容及程序是什么？
