试题与答案

读某地竿影端点日运动轨迹图,回答小题。 小题1:图中立竿处(O点) ( )。

题型:选择题

题目:

读某地竿影端点日运动轨迹图,回答小题。

小题1:图中立竿处(O点)                                             (  )。

A.位于北极圈以内,竿影端点按顺时针方向移动

B.位于北极圈以内,竿影端点按逆时针方向移动

C.位于南极圈以内,竿影端点按顺时针方向移动

D.位于南极圈以内,竿影端点按逆时针方向移动小题2:同一日期竿长不变,若O点的纬度变高,则                       (  )。

A.OA变长,OB变长

B.OA变长,OB变短

C.OA变短,OB变短

D.OA变短,OB变长

答案:

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