题目

读我国北方某地区等高线（单位：m)地形图，完成下列各题。【1】图中断崖的相对高度最可能为A. 160m B. 260m C. 420m D. 500m【2】图中河流的流向大致是A. 由东北流向南 B. 由东南流向西北C. 由西南流向东北 D. 由西北流向东南【3】从N观景台到M观景台的山路①有些路段沿等高线修建②沿河谷迂回前进③地形起伏较小④呈“之”字形迂回前进A. ①④ B. ②③ C. ①② D. ③④根据短文内容，在各题所给的三个选项中，选出一个最佳选项。（短文听两遍）  1. Where does David work? A. In a hospital. B. In a library. C. In a supermarket. 2. How long does he have for the summer holidays every year? A. Five days. B. Seven days. C. Thirty days. 3. Why did he take the train to San Francisco? A. Because he wanted to save money. B. Because he wanted to see the United States. C. Because it's more comfortable than taking a plane. 4. Where did he get off the train? A. In a small town. B. In New York City. C. In San Francisco. 5. How did he return to New York? A. By plane. B. By bus. C. By train.