下图中圆表示晨昏圈，所示区域全部为夜半球，且a点与c点纬度相同。读图，回答问题。(10分)
(1)在图中用“·”标注出极点位置；并画出图示范围内过c点的完整经线。（2分）
(2)此时，太阳直射点的坐标是 ；北京时间是 。（2分）
(3)此时a地的昼长为 小时；b地的正午太阳高度为 。（2分）
(4)a、c两点间的最短距离为 千米；将a、b、c三点的地球自转线速度由大到小排列为 。（2分）
(5)此时，下列现象可能发生的是(双项选择) (2分)
A．我国长江中下游地区出现伏旱
B．三江平原农场正忙于收割小麦
C．在郑州看到太阳东南升西南落
D．正值青海湖鸟岛候鸟产卵孵化期
(1)图略(过a、c点作圆，圆心为极点；连接b、c)。
(2)10°N,20°W 21时20分
(3)0 20°
(4)2 220千米 a＝b＝c (5)AD
| 完形填空。 | ||||
| An old man walked slowly into a restaurant with his cane (拐杖). His 1 jacket and worn-out shoes made him stand out from the 2 Saturday morning break-fast crowd. A young waitress named Mary watched him move toward a 3 by the window. Mary ran over to him, and said, "Here, Sir. Let me give you a hand with that 4 ." Without saying a word, he smiled and 5 a thank-you. She 6 the chair away from the table and helped him get 7 seated. Then she put his cane against the table 8 he could reach it. In a soft, clear 9 he said, "Thank you, Miss." "You're welcome, Sir," she replied. "I'll be 10 in a moment, and if you need anything in the meantime, just 11 at me!" After he had finished a good 12 , Mary brought him the change. She 13 him his cane, and walked with him to the front door. Holding the door open for him, she said, "Come back and 14 us, Sir!" The old man 15 around and smiled. When Mary went to clean his table, she was 16 . Under the plate she found a business card, a one-hundred- dollar bill and a note. The note read, "Dear Mary, I 17 you very much, and you respect yourself too. It shows the way you 18 others. You have found the secret of 19 ." The man she had served was the 20 of the restaurant. That was the first time that she or any of his employees had seen him. | ||||
|