2005年5月22日,我国成功进行珠峰登顶测量,这次测量除采用1975年的传统测量方法外,还采用了GPS测量系统,可以说是“双保险”。10月9日,国家测绘局公布了珠峰高度测量结果:珠峰峰顶岩石面海拔高程为8844.43米,其高程依然是世界第一。分析GPS测量功能的目的在于( )
A:为各类用户提供精密的三维坐标
B:为用户提供飞机全球定位系统影像
C:为用户提供卫星全球定位系统影像
D:供用户随时查阅有关地理信息
____ ,烟光凝而暮山紫。(王勃《滕王阁序》)
春秋时期最显著的政治特点是( )
完形填空
Bosh is a worker.He 1 very poor.He lives in a dirty small room and2about food. His friends are 3 too.One night the wind is hard and 4 is snowing heavily. Bosh5to bed early but he can't fall asleep(入睡).He doesn't have 6 for supper. He 7 a man get in through a broken window.The man8to search the bookshelf. Bosh gets up,says to the man, “Don't waste time.I can't 9 any money in the daytime. How can you find any at10 ?”
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