[题目]红军长征是一部惊心动魄.气壮山河的史诗.赤水河为长江上游支流.1935年1月至3月.红军在茅台-赤水断成功四渡赤水.下图为赤水河流域图.说明红军渡河季节该河段的水文特征及其成因. 题目和参考答案——青夏教育精英家教网—

【题目】红军长征是一部惊心动魄、气壮山河的史诗。赤水河为长江上游支流。1935年1月至3月，红军在茅台-赤水断成功四渡赤水。下图为赤水河流域图。

说明红军渡河季节该河段的水文特征及其成因。

【答案】(10分）该地区属于亚热带季风气候，河流以降水补给为主；（2分）冬春季降水少；（2 分）故河流处于枯水期，流量较小（水位较低)；（2分）流量减少（侵蚀搬运能力减弱），含沙量较小：（2分）冬春手节气温多在0℃以上（或较低)，不结冰（或水温较低）。（2分）

【解析】

试题分析：该河段在云贵高原，属于亚热带季风气候，河流以降水补给为主；渡河是在1-3月，是冬春季，该季降水少，故河流处于枯水期，流量较小，水位较低；流量减少，河流的侵蚀搬运能力减弱，含沙量较小；且冬春手节气温较低，但是亚带河流不结冰，但水温较低。

练习册系列答案

超能学典单元期中期末专题冲刺100分系列答案

期末100分冲刺卷系列答案

年级	高中课程	年级	初中课程
高一	高一免费课程推荐！	初一	初一免费课程推荐！
高二	高二免费课程推荐！	初二	初二免费课程推荐！
高三	高三免费课程推荐！	初三	初三免费课程推荐！
更多初中、高中辅导课程推荐,点击进入>>

相关习题

科目：高中地理 来源： 题型：

【题目】第二节（共10小题；每小题1.5分，满分15分）

阅读下面材料，在空白处填入适当的内容（1个单词）或括号内单词的正确形式。

Chengdu has dozens of new millionaires, Asia’s biggest building, and fancy new hotels. But for tourists like me, pandas are its top____1_(attract).

So it was a great honour to be invited backstage at the not-for-profit Panda Base, where ticket money helps pay for research, I_____2_（allow）to get up close to these cute animals at the 600-acre centre. From tomorrow, I will be their UK ambassador. The title will be __3___(official) given to me at a ceremony in London. But my connection with pandas goes back ____4__ my days on a TV show in the mid-1980s, ____5_ I was the first Western TV reporter__6___ (permit) to film a special unit caring for pandas rescued from starvation in the wild. My ambassadorial duties will include ____7_(introduce) British visitors to the 120-plus pandas at Chengdu and others at a research in the misty mountains of Bifengxia.

On my recent visit, I help a lively three-month-old twin that had been rejected by _____8_ (it) mother. The nursery team switches him every few __9__( day) with his sister so that while one is being bottle-fed, __10____ other is with mum-she never suspects.

查看答案和解析>>

科目：高中地理 来源： 题型：

【题目】短文改错(共10小题；每小题l分，满分10分)

假定英语课上老师要求同桌之间交换修改作文，请你修改你同桌写的以下作文。文中共有10处语言错误，每句中最多有两处。每处错误仅涉及一个单词的增加、删除或修改。

增加：在缺词处加一个漏字符号(∧)，并在其下面写出该加的词。

删除：把多余的词用斜线(＼)划掉。

修改：在错的词下画一横线，并在该词下面写出修改后的词。

注意：

1. 每处错误及其修改均仅限一词；

2. 只允许修改10处，多者(从第11处起)不计分。

It was on a warm autumn day that my father and I walk into my new high school. After registered in the classroom, the volunteer took me to my dormitory. Altogether I had five roommates, two of which arrived later. I got to know my new roommate immediately. Although I was quite unwilling to say “Goodbye” to my father, but he had to leave to my hometown in the evening. I suddenly realized I had grown up and that I had to look after me and live independently. Not until then I know my senior high school life had real begun.