How is the table salt we use obtained? [br] What is the passage mainly about?A、H

游客2024-02-16  18

问题 How is the table salt we use obtained? [br] What is the passage mainly about?

选项 A、How the precipitation or runoff is actually formed.
B、How the table salt we use is obtained.
C、The processes that cause a change in oceanic salinity.
D、The processes the dissolved materials are left behind.

答案 C

解析 主旨题。根据文章内容,我们知道文章主要讲的是引起海水含盐量变化的三个过程,所以选项C是正确答案。
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