采用DJ4光学经纬仪在某站点观测一目标,盘左和盘右的读数分别为80°03'42"和 发布时间:2018-07-29 12:56 │ 来源:www.tikuol.com 题型:单项选择题 问题: 采用DJ4光学经纬仪在某站点观测一目标,盘左和盘右的读数分别为80°03'42"和 279°56'54"。则该目标的竖盘指标差的大小为( )。A.+12"B.-12"C.+18"D.-18"
题型:单项选择题 阅读对话,回答问题。A: Excuse me, who's that man, Xiaohua? B: He's my father.A: Is that woman your mother? B: No, she isn't. She's my aunt, Miss Liu.A: Where's your Mum? B: Look! She's in the car.A: Oh,I see. 1. Where's Xiaohua's Mum? 2. Who's that man? 3. Is Miss Liu Xiaohua's Mum? 查看答案
题型:单项选择题 右图为世界某区域示意图,回答题。小题1:有关该区域地理环境的叙述正确的是 ( )A.乙海域为比斯开湾B.丙山脉的走向为东北—西南走向C.甲海域为地中海D.夏季时C处的降水比B处多小题2:从甲海域到乙海域运输某种货物,走最短线路必须经过的海域是 ( )A.直布罗陀海峡B.英吉利海峡 C.苏伊士运河D.非洲好望角 查看答案