一、请问密西西比河的汛期是夏季还是春冬，详解

上游河段纬度稍高，以春季融雪和雨水补给为主，4月出现全年最高水位，6月因降水增多，出现次高水位，洪水期3～7月，12月为枯水期。年平均流量 2900 立方米/秒 。冬季封冻 ，含沙量少。

中游年平均流量 5800 立方米/秒，3～8月为洪水期，6 月出现最高水位，12 月为枯水期。由于西岸流经半干旱地区支流的汇入，河流含沙量增大 。

下游自俄亥俄河汇入后 ，水量大增 ，年平均 径流量达1.34 万立方米/秒，1～6 月为洪水期 ，4

月出现最高水位，10月为枯水期，含沙量大。干流右岸以密苏里河为首，长度大、水量小、季节变化明显；左岸以俄亥俄河为首，长度小、水量大、季节变化缓和。

二、跪求英语作文100字游记,条件是,时间10.3-5目的地九龙山风景区出行方式乘坐郊游专线

My trip of of course i took some photos there.it is very famous all of the world. then a very important thing---i bought nice gifts for my parents,at last, I come back Xiang fan by train.

三、英语作文60词。写旅游建议好评

This summer vacation,I went to Hainan with my mom.We went to there by air.And we bought a lot of local friut there. I often swam in the sea and I play beach vollyball with my mom.It was really fun!But I can not eat too much sea food ,because I do not like it.We were very happy in Hainan!

四、能用英文描述一段关于英国的风景吗？谢谢

Britain is full of culture and traditions which have been around for hundreds of years. British customs and traditions are famous all over the world. When people think of Britain they often think of people drinking tea, eating fish and chips and wearing bowler hats, but there is more to Britain than just those things. We have English and British traditions of sport, music, food and many royal occasions. There are also songs, sayings and superstitions. Who was Guy Fawkes? Why does the Queen have two birthdays? You can find the answers here in our pages on life in Britain. We are the staff and pupils of a junior school in England, who have put together several pages to help you learn more about our culture. The best page to check out first, is a page full of questions sent in by people from around the world. Enjoy!

五、初二英语作文（关于观景）

Gulangyu — A fairyland in the world Gulangyu is a small island of Xiamen. It’s like a garden on the water. Cars and buses are not allowed to drive there, which makes the island so quiet that music played on the piano and violin can be heard. Here the sky and the sea clearly meet on the horizon. When standing at the top of the Sunshine Rock, you can see much of the landscape of Xiamen, and when standing at its foot, you can gaze at the beautiful garden that surrounds it. Gulangyu produces bananas, coconuts, sugar cane and so on. The people here, warm, simple and hardworking, are making every effort to make the island more beautiful and they hope to welcome more visitors in the future. Such is Gulangyu, a beautiful and inviting island, where a warm welcome awaits.