利用GIS查询历届奥运会金牌分布情况,属于( )。
A:地图处理功能
B:数据库功能
C:空间分析功能
D:计算功能
划分东、西半球的经线是( )
① ____ A. Sunday B. weekend C. Monday D. Tuesday
② ____ A. older B. teacher C. funnier D. thinner
③ ____ A. visited B. watched C. cooked D. excited
④ ____ A. nose B. leg C. head D. toothache
⑤____ A. twelve B. fifth C. third D. first