正确答案: B

降水

题目：影响该地区雪线高度变化趋势的主要因素是

解析：B

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举一反三的答案和解析：

[单选题]十字花科的雄蕊类型是( )。

四强雄蕊

[单选题]山茶科植物经常是( )的主要组成成分之一。

常绿阔叶林

[单选题]The best title for the text would be___________.

The History of Olivetti

[单选题]

B． agreed C． decided D． happened

decided

[单选题]西周实行的宗法制在秦汉以后仍有重大影响，其主要表现是

嫡长子继承制

[单选题]What would be the best title for the text?

Misconceptions in BusinessB． Basic Beliefs in Business

[单选题]We learn from Paragraph 1 that ( ).

many places tend to have more than one name

[单选题]3 What has the woman decided to do On Sunday afternoon?

To attend a wedding