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精英家教網 > 初中地理 > 題目詳情

【題目】 2019年1月3日10時26分,我國嫦娥四號探測器自主著陸,實現人類探測器首次月背軟著陸。我們探索認知宇宙的腳步一直未停。

據此回答下列各題

1下列不是指南北半球分界線的是( )

A. 0 °緯線B. 赤道C. 本初子午線D. 最長的緯線

2地球上有陽光直射的溫度帶是( )

A. 熱帶B. 北溫帶C. 南溫帶D. 寒帶

3我國中小學放寒假時,南半球的澳大利亞處在( )

A. 春季B. 夏季C. 秋季D. 冬季

4下列現象中是由地球自轉產生的是( )

A. 極夜現象B. 五帶的劃分C. 晝夜交替D. 四季變化

5地球儀上的緯線( )

A. 都是半圓B. 有無數條C. 長度相等D. 指示南北方向

【答案】

1C

2A

3B

4C

5B

【解析】

根據由于地球繞著太陽公轉,產生了春、夏、秋、冬四季的變化,而且南北半球季節相反;地球繞地軸不停轉動,叫地球自轉。地球自轉的方向是自西向東,自轉的周期是一天。地球自轉產生的現象是晝夜交替和時間差異;地球在自轉的同時還要繞著太陽轉動叫地球公轉,地球公轉的方向是自西向東,公轉的周期是一年。地球圍繞太陽公轉產生了四季變化、正午太陽高度的變化、晝夜長短的變化以及地球五帶等現象,進行分析解答。

1南北半球的劃分是以0°緯線即赤道為界,赤道以北為北半球,以南為南半球。赤道是最長的緯線。本初子午線為0°經線。故選:C

2五帶中,熱帶有陽光直射現象,寒帶有極晝極夜現象,溫帶既無陽光直射也無極晝極夜現象,四季變化明顯。依據題意。故選:A

3地球的公轉產生了四季變化,且南北半球季節正好相反,當位于北半球的我國放寒假時,南半球就是放暑假,澳大利亞在南半球,為夏季。根據題意。故選:B

4地球自轉產生的現象是晝夜交替和時間差異;地球圍繞太陽公轉產生了四季變化、極晝極夜現象、晝夜長短的變化以及地球五帶劃分等現象。根據題意。故選:C

5地球儀上的緯線,除了南北極點以外,都是圓圈;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。在地球儀上,緯線有無數條。故選:B

考查地球自轉公轉的特點,經緯線的特點,五帶的劃分等。

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