某校学生于台风过后，前往某山区实习，观测溪谷的变化情况。图1为学生实习地区的等高线地形图。完成小题。
学生在溪谷的观测点是（）
A.甲、乙
B.甲、丙
C.乙、丁
D.乙、戊
参考答案：B
解析：
根据等高线分布的基本规律：凸高（凸向高值区）为低（值低），凸低（凸向低值区）为高（值高）。找出山谷地形所在位置即可。
考点：本题考查等高线的综合应用。
A well-dressed(穿得好的) man goes into a restaurant one day. He sits _______at a table near the window. A waiter comes up to him and says,“_____I help you, sir? ” The man says, “Can I see the menu?” “Certainly.” the man wants a good meal. He orders(点餐) a lot of delicious_____ . The waiter brings them to him. The man is having his _____ happily. At this time, a boy comes in and sits down beside the man. He asks the _____ to give him an ice cream. The man does so. Now the boy is eating his ice cream. “I will go out _____ a newspaper.” the man says and leaves. After the boy eats his ice cream up, he _______ and goes to the door. “______, your father has not given the money for the meal and your ice cream.” the waiter stops him and says. “Father? You’re _____. He is not my father. I don’t _____ him. I meet him in the street. He says he will(会) give me an ice cream if I come here at twelve o’clock.” says the boy.
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