According to the passage, a volcano sends out . When lava cools, it becomes .

admin2013-09-04 47

问题 According to the passage, a volcano sends out ______.
When lava cools, it becomes ______.

选项 A、liquid
B、water
C、smoke
D、hard

答案D

解析细节题。由文章第四段“After a while the volcano becomes quiet again. The melted lava becomes hard.”可知：熔岩冷却后会变硬。

转载请注明原文地址:https://kaotiyun.com/show/LweK777K

大学英语三级A级

相关试题推荐

随机试题

最新回复(0)