下列叙述正确的是   A.仅从地球自转速度来说,我国酒泉发射火箭

下列叙述正确的是

 

A.仅从地球自转速度来说,我国酒泉发射火箭的条件比美国的休斯敦好

B.中山站、新加坡、鹿特丹三地地球自转的角速度相同

C.广州、武汉、北京三地地球自转的线速度依次增大

D.上海、漠河、曾母暗沙三地地球自转线速度基本相同

 

答案

B

地球自转线速度由低纬向高纬递减,酒泉的纬度比休斯敦高。自转角速度各地均相同(除南北极点外)。

 

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