正确答案:

题目：pH<7.0的天然降水都称为酸雨。( )

解析：×

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举一反三的答案和解析：

[单选题]智力的核心是( )

思维力

[单选题]According to the passage, the earth in its very early period was ______.

in molten state

解析：

42．答案为A。根据第一段第二、三句，the earth at some time in its very early history became hot enough to melt the materials from which it was formed。While in this molten state作出该项选择。

[单选题]下列划线句子的翻译错误的是( )

巡起旋，其众见巡起，或起或泣。