题目

下图为北美局部区域河流、山脉分布示意图，据此完成下面小题。【1】下面四副剖面图，能正确反映虚线地势起伏的是（ ）A. B.C. D.【2】甲处山脉东西两侧河流特征差异最小的是（ ）A.流程 B.流域面积 C.流量 D.落差 答案：【答案】【1】B【2】D【解析】【1】山脉处必然为海拔高的地方，则结合图中山脉分布可以看出该区域西部多为山地，东部也有山地，则可以判断东西部海拔高。同时可以通过所示区域城市名称知道该地位于美国，则结合美国地形特征也可判断B项正确。故选B。【2】两侧河流的落差均为山顶到大洋(或地 Let’s go camping !If you’ve ever gone camping,you must know how much fun it is. You can hike in the woods,spot wildlife, stay up late and see shooting stars; or you can just sit around and talk. But don' t worry if you are just a b____of camping. Here is a simple guide to provide some basics of camping for you.Bring a tentIn good weather with no bugs(小虫子， you can get by(勉强应对) with just a nylon tarpaulin(尼龙布) ) tied b__twotrees. This is a popular way of camping because campers can see everything that's going on around them. But a tent is a lot more comfortable on rainy days. Make sure it's tied down tight,other wise a strong wind will blow it away.Choose simple f __Camping meals have to be simple. They should use ingredients that are easy to pack and store, and they need to be simple to prepare. Moreover, a good camping meal is filling enough to provide energy for p ___activities. It doesn't have to be made in advance, and cooking something on a campfire is really good fun.Leave only footprintsEnvironment-friendly campers have a popular saying: "Leave only footprints, and take only pictures. This m ___we keep the campsite looking natural; we pick up and take away our trash. Before leaving， we put out campfires and stir(搅动) the ash(灰烬) until no smoke remains. The only human signs left behind are footprints. We only take amazing photographs as are minder of the good time we had.【1】b_______【2】b________【3】f_________【4】p________【5】m_________