【題目】在野外考察時(shí)不能用來(lái)辨別方向的是( )

A. 樹(shù)干年輪 B. 流星 C. 北極星 D. 指南針

【答案】B

【解析】試題分析:在野外考察如果迷失方向,可以通過(guò)樹(shù)干年輪、北極星、指南針等辨別方向,流星不能辨別方向。故選B。

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