【題目】下列關(guān)于赤道的敘述,正確的是(

①赤道是劃分緯度的起點(diǎn)線,是90°緯線 ②赤道是劃分經(jīng)度的起點(diǎn)線,是0°經(jīng)線 ③赤道是南半球和北半球的分界線 ④赤道是南、北緯度的分界線

A.①②B.①④C.③④D.②③

【答案】C

【解析】

根據(jù)緯線是在地球儀上,順著東西方向,環(huán)繞地球儀一周的圓圈。所有的緯線都相互平行,并與經(jīng)線垂直,緯線指示東西方向。緯線圈的大小不等,赤道為最大的緯線圈,從赤道向兩極緯線圈逐漸縮小,到南、北兩極縮小為點(diǎn),進(jìn)行分析解答。

赤道是劃分緯度的起點(diǎn)線,是0°緯線,故①錯(cuò)誤。

本初子午線是劃分經(jīng)度的起點(diǎn)線,是0°經(jīng)線,故②錯(cuò)誤。

赤道是南半球和北半球的分界線,故③正確。

赤道是南、北緯度的分界線,故④正確。

故選:C

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