第Ⅰ卷(共14 0分)一、选择题(本卷共3 5小题,每小题4分,共计14 0分。在每小题列出的四个选项中,只有一项是最符合题目要求的。)图1为太阳直射点在一年中的移动位置图,且x为90°E ,读图1,回答1～4题:1.当直射点处于a→c的时期内,下列说法正确的是(　　)图1　　A .北京由昼最长到 Volume I (14 points total) 1. Multiple-choice questions (A total of 35 questions in this volume, each with 4 points and a score of 140 points. Of the four options listed in each question, only one is the most Conformity with the requirements of the title.) Figure 1 is the position of the sun’s direct point of movement in a year, and x is 90 °E, read Figure 1, answer 1 to 4 questions: 1. When the direct point in the a → c period The following statement is correct () Figure 1 A. Beijing is the longest to