以下山脉是哪些地区的分界线，用线把它们连起来：（8分） A．

问题选择题

以下山脉是哪些地区的分界线，用线把它们连起来：（8分）

A．秦岭 a、季风区和非季风区

B．横断山 b、青藏地区与西北地区

C．大兴安岭 c、南方地区与北方的区

D．昆仑山 d、第一级阶梯与第二级阶梯

答案

A—c B—d C—a D—b

题目分析：南方地区与北方地区的分界线是秦岭—淮河；西北地区与北方地区的分界线是大兴安岭；西北地区与青藏地区的界线是昆仑山—祁连山；第一、二级阶梯的分界线是昆仑山脉—祁连山脉—横断山脉；季风区与非季风区的分界线是大兴安岭—阴山山脉—贺兰山脉—巴颜喀拉山脉—冈底斯山脉。

点评：“常用界线”归纳：

地势第—级和第二级阶梯分界线：昆仑山一祁连山一横断山一线

地势第二级和第三级阶梯分界线：大兴安岭一太行山—巫山一雪峰山一线

亚热带和暖温带分界线; 大致秦岭一淮河一线，(相当于一月平均气温0℃等温线)

湿润和半湿润地区分界线: 大致秦岭—淮河一线(相当于年降水量800毫米等降水量线) 湿润地区和干旱地区分界线: 大致从大兴安岭西坡一张家口—兰州—拉萨附近一喜马拉雅山东部一线(相当400毫米等降水量线)

季风区和非季风区分界线: 大兴安岭一阴山一贺兰山一巴颜喀拉山—冈底斯山一线

完形填空。
A businesswoman got into a taxi in midtown.As it was the rush hour and she was in a__1__to catch a train,she__2__a quick way to reach it."I have been a taxi driver for 15 years!" the driver said__3__." You don't think I know the best way to go?" The woman tried to explain that she hadn't __4__to annoy him,but the driver kept__5__.She finally realized that he was too annoyed to be__6__,so she changed her__7__."You know,you are right,"she told him."It must seem__8__for me not to think you know the best way__9__the city." __10__,the driver glanced at his__11__in the rearview mirror,turned down the street she wanted and got her to the train on time."He didn't say another word the rest of the ride,"she said."__12__I got out and paid him.Then he thanked me." When you find yourself__13__with people like the taxi driver,you will always try to__124__your idea.It can lead to longer arguments,the loss of job chances or the__15__of marriages.I have discovered one simple__16__extremely unlikely method that can prevent the disagreement or other difficult situations from__17__in a disaster. The__18__is to put yourself in the other person's shoes and look for the__19__in what that person is saying.Find a way to__20__,and the result may surprise you.
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