11. Which mountain could you see the winter snow from in the Datoon Volcanic mountains?（ Bamboo Mountain　 Hat Mountain　 Yangmingshan）

12. Which of the following is a eruption hole of the Datoon volcanoregion:（ Groundheat Valley 　 dreamlake　 Little Oilpit）

13. Which of the following is not a volcanic opening lake of the Datoon volcano region:（ Shentien dipping rooms　 dream lake　 Milklake）

14. When volcano's remaining heat heats up rainwater, and they eventually climb up to the horizon, they form :（ hotspring 　 sulfur holes　 lakes）

15.One often sees white smokes coming out in the Datoon Volcanic Mountains, they are what type of groundheat scenery:（ hotspring 　 puffholes　 eruption opening lake）

16.There are no vigorous puffing of smoke in :（ Dahuang Mouth　 Little Oilpit　 Chenshan Park）

17. The white or yellowish powder seen near puffholes are:（ sulfur crystals　 Anshan rocks 　 volcano ashes）

18. which is not a characteristc of a transformation rocks:（ colorful　 soft　 hard）

19. Datoon Volcanic Mountains' eruption didn't stop until how many years ago?（ 2.8 million　 2.5 million　 200,000）

20. The sulfur spring that the Japanese are so fond of can be found where in Taiwan:（ four-fold creek hotspring 　 Yangmingshan hotspring 　 Cheeben hotspring ）