【題目】生活中許多地理現(xiàn)象與地球的自轉(zhuǎn)和公轉(zhuǎn)有關(guān)。據(jù)此完成下面小題。

1下列地理現(xiàn)象,由地球自轉(zhuǎn)產(chǎn)生的是

A.海陸變遷B.太陽(yáng)東升西落

C.四季的變化D.地球不發(fā)光

2關(guān)于地球公轉(zhuǎn)的敘述,正確的是

A.周期為一天B.方向自南向北

C.產(chǎn)生了時(shí)間的差異D.產(chǎn)生了四季更替

【答案】

1B

2D

【解析】

地球自轉(zhuǎn)是地球繞地軸不停的旋轉(zhuǎn),方向是自西向東,周期是一天,產(chǎn)出的地理現(xiàn)象是太陽(yáng)東升西落、時(shí)間差異、晝夜更替。地球的公轉(zhuǎn)是地球繞太陽(yáng)的運(yùn)動(dòng)。方向是自西向東,周期是一年,產(chǎn)出的地理現(xiàn)象是四季的變化、五帶的劃分等。

1地球自轉(zhuǎn)是地球繞地軸不停的旋轉(zhuǎn),產(chǎn)出的地理現(xiàn)象是太陽(yáng)東升西落、時(shí)間差異、晝夜更替。故B符合題意。

2地球的公轉(zhuǎn)是地球繞太陽(yáng)的運(yùn)動(dòng)。方向是自西向東,周期是一年,產(chǎn)出的地理現(xiàn)象是四季的變化、五帶的劃分等。A、B、C都是錯(cuò)誤的,故D符合題意。

本題考查的是地球的運(yùn)動(dòng),分析解答即可。

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