任务一 完形填空
阅读下面短文，掌握其大意，然后从各题所给的四个选项中选出一个最佳答案。
The Yellow River is the second longest river in China. The “Yellow” in its name is from the colour of the mud and sand. About ninety per cent of the mud and sand in the Yellow River 1 the Loess Plateau. A lot of mud and sand goes into the Yellow River in the season of heavy rainfall 2 the Loess Plateau is loose and easy to be washed away.
The Yellow River originates(起源) from the Qinghai-Xizang Plateau and its 3 is similar to the character ji(几). It runs from west to 4 through nine regions and runs into the Bohai Sea. The Yellow River is about 5,464 kilometres long, and the 5 it runs through covers about 795,000 kilometres.
In Chinese 6, the Yellow River is the most important birthplace. Ancient Chinese people lived on this land, worked 7 and created a rich culture. Today, the area around the Yellow River is very important for farming. The Yellow River also 8 water for factories and people’s lives.
What’s more, the Yellow River 9 an important role in Chinese culture. People created a lot of poems, paintings, and songs about it. The Yellow River is a 10 of Chinese spirit, and we call it the “Mother River”.
() 1. A. connects with B. comes from C. walks into D. bases on
() 2. A. although B. until C. unless D. because
() 3. A. time B. voice C. shape D. colour
() 4. A. east B. north C. north-east D. north-west
() 5. A. height B. area C. length D. weight
() 6. A. language B. music C. art D. history
() 7. A. recently B. quickly C. hard D. hardly
() 8. A. changes B. provides C. produces D. gives
() 9. A. plays B. promises C. realizes D. explains
()10. A. progress B. century C. symbol D. location