6 . 阅读下面短文,在空白处填入1个适当的单词或括号内单词的正确形式。
The Yellow River and the Yangtze River are the two most important rivers. Both of 1 run through central China. Not only were these major rivers a great source of fresh water and food in ancient China, they also were the 2 (subject) of Chinese art and literature (文学).
Often, the Yellow River 3 (call) the “cradle of Chinese civilization (中华文明的摇篮)”. It is 3,395 miles long, making it the sixth 4 (long) river in the world. Early Chinese farmers built small villages along the Yellow River. The rich yellow colored earth was good for growing millet (小米). Farmers of this area also raised sheep and other animals.
The Yangtze River is south of the Yellow River and flows (流动) in the same 5 (direct) (west to east). Just 6 the Yellow River, the Yangtze played 7 important role in the development of ancient China.
Ancient Chinese farmers that lived along the Yangtze River 8 (make) full use of the warm and rainy weather to grow rice. 9 (final) the land along the Yangtze became some of the most important and 10 (product) places in all of ancient China. The Yangtze also served as a boundary between northern and southern China. It is very wide and difficult to cross. The famous Battle of Red Cliffs took place along the river.