论文部分内容阅读
例题:下表是冬至日四地日出日落时间表(北京时间),据此回答1-3题:1.四地按由南向北的顺序排列,正确的是()A.②④①③B.③②④①c.①②③④D.②③①④2.表中③地位于②地的()A.东南方B.西北方C.西南方D.东北方3.四地中纬度最高的是()A.①B.②C.③D.④解析:解答该题前可根据表格中的数据计算出四地的昼长:①地昼长为11小时30分;②地昼长为14小时00分;③地昼长为9小时20分;④地昼长为13小时20分。题1:对于分别位于南北半球纬度相同的两个地点,一地的昼弧与另一地的夜弧是关于地球球心呈中心对
Example: The table below shows the sunrise and sunset timetable (Beijing time) for the winter solstice and the fourth day. Answer 1-3 questions accordingly: 1. Four places are arranged in a sequence from south to north. The correct one is () A.2413B.3241c .1234D.23142. The three places in the table are located in two places () A. southeast B. northwest C. southwest D. northeast 3. The highest mid-latitudes in the four places are () A.1B.2C.3D. 4 Analysis: Before solving this question, the length of the four places can be calculated according to the data in the table: 1 The length of the place is 11 hours and 30 minutes; 2 The length of the place is 14 hours and 00 minutes; 3 The length of the place is 9 hours and 20 minutes. ;4 The length of the site is 13 hours and 20 minutes. Question 1: For the two locations with the same latitude in the northern and southern hemispheres, the X-arc in one place and the night arc in another place are centered about the center of the Earth’s sphere.