问题 单项选择题

根据历史的记载,人们发现我国东部地区河流的洪水发生是每隔10~11年有一次大的周期,每隔22年、110年左右有更大的洪水周期,这说明()。

A.河流的洪涝灾害和植被的破坏有直接关系

B.河流的洪涝灾害和太阳活动周期呈正相关关系

C.黄河在历史上曾多次改道

D.中原地区的战乱与洪涝灾害有关

答案

参考答案:B

解析:

本题考查地理知识。从材料中获取信息,分析其洪涝灾害形成的原因。

选择题
完形填空

根据短文内容和首字母提示,在下文空格处填入适当的词使短文完整。在答题卡标有题号的横线上,完整地写出空缺处各单词的正确形式。(每空一词)

Last summer holiday, I took a trip to Yunnan. It is in the southern part of our country .It is really a very great place with beautiful 小题1:  ,  clean rivers and kind people. Trees and flowers are seen everywhere. Every year lots of 小题2:   come here to enjoy themselves.

Maybe know Shi Lin (stone forests). There are all kinds of 小题3:    stones. Some of the smaller stones look like graceful girls; and the b 小题4:    stones look like handsome men. Other stones look like cats, mice, elephants and so on. Of all the stones, the stone like a beautiful girl in a legend (传说)is the most 小题5:   .Her name is A Shima, I am sure you know this name.

I also went to Li Jiang. A river runs 小题6:   the whole city. If you go along the river, you'll never get 小题7:  , it’s easy for you to find your way. There are many ethnic minority(少数民族) people in Yunnan. They are very cordial (热情的). And they all like singing and dancing. We danced with them 小题8:   the campfire(篝火) that night. I really had a good time.

I like the elephants and fruits there 小题9:   . An elephant is even taller than me! I even sit on its back, 小题10:  I was very afraid at first. I took some photos with it. The fruits there are very fresh and delicious. They are very good for our health.

The trip to Yunnan is so wonderful that I will never forget it.