2022英语周报七年级上册第18题答案

第二节One possible versionDear mr. smithIm writing to ask for a three-day leave, for I can'Iattend your English classes from Monday to Wednesday nexOwing to a severe headache, I have made an appoint-ment with a specialist. and my mother will take me to seehim. It's a great pity that I will miss your interesting lessons but I hope you will excuse my absence. I promise tomake up for the missed lessons after I return to school.Your kind permission will be greatly appreciatedYeLi Hua

25.A【解析】据题意可将图中a点、b点、c点分别用平滑曲线相连,即可得等高线地形图,①处等高线最稀坡度最缓。故选A。26.C【解析】将图中海拔相同的点连线根据等高线的形态判断①③等高线凸向海拔低处,是山脊,可能发育分水岭,②④等高线凸向海拔高处,是山谷,可能发育河流,A、B、D项错误,故选C27.A【解析】坡面水流方向应与其最近的等高线垂直,由高处向低处流结合图中的指向标可知水流大致向南流。故选A。

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