下图为“某地区等高线地形图”，有一公路沿河兴建。据图回答下列问题。
小题1:根据等高线地形图判断，图中河流的大致流向是
A．东北向西南流
B．东南向西北流
C．西北向东南流
D．西南向东北流小题2:若河水暴涨，最可能被水冲毁，使行车受阻的路段是
A．甲
B．乙
C．丙
D．丁
小题1:C
小题2:C
题目分析：
小题1:结合指向标，河流所经过的图中20米等高线向西北弯曲，所以西北方地势高，河流从西北向东南流。故选C。
小题2:河流的凹岸易受河水的侵蚀，图中四路段，只有丙路段位于河流的凹岸，所以河水暴涨时，侵蚀严重，易被冲毁，使行车受阻。故选C。
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| The famous Italian traveler, Marco Polo, travelled a long way to China in 1 century. He saw many interesting things in China. One of 2 things he found was that the Chinese people used paper money. In 3 countries, people didn't use paper money 4 the seventeenth century. But people in China began to use paper money in the eleventh century. A Chinese man called Cai Lun invented paper almost 2,000 years ago. He made it from wood. He took the wood from trees and made it 5 paper.He then put them together, and made them into a 6 . Now we know 7 comes from trees, and we must save paper. We use a lot of paper every day. If we always waste paper, there will be no paper, because there are not so many trees 8 us to make paper from.Everyone must help to 9 paper. If we all think carefully, we can help to grow 10 trees. And we should do it now, before it is too late. | ||||
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