下列哪种现象不属于地质灾害？（）
A、山崩、滑坡和泥石流
B、喷沙冒水和河流决堤
C、土地沙漠化
D、水土流失和地面沉降
参考答案：B
— Why didn't you go to the party yesterday?
— Because I ______. [ ]
A. was not invited
B. am not invited
C. haven't invited
D. didn't invite
分析是在思想上确定对象之间的异同的思维过程。
