正确答案: A

遥感技术

题目：监测冰岛火山灰的扩散面积和浓度变化所利用的技术手段主要是 （ ）

解析：A

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学习资料的答案和解析：

[单选题]By reading novels and writers’ stories, the girl could ______.

come to understand the inner structure of writing

[单选题]What do people generally believe about the way human minds work ?

People think in words and genternces.

[单选题]We should respect food and think about the people who don’t have we have here and treat food nicely.

what

[单选题]阅读下面的文章，完成16—19题。才子赵树理

赵树理写东西从不起草，考虑成熟，一气呵成，稿子非常干净。

[单选题]枣(zizphus jujuba)是我国特产，山西是主产省份之一。( )

正确