新外研版必修1Unit6Period2课时练习题.doc

——敬业、专业—— 新外研版必修1Unit6Period2课时练习题 PAGE PAGE 2 新外研版必修1Unit6Period2课时练习题 　　一、单词拼写 　　1.Imagine mountains w__________ in silver water, shining in the spring sun. 　　2.Although the __________(区域)has plenty of rain, the mountains are steep and the earth is __________(浅的`). 　　3.The flat terraces catch the rainwater and __________(防止)the soil from being washed away. 　　4.But perhaps what is most ________(影响深远的)is the way in which people have worked in h_______ nature to make these terraces and grow rice. 　　5.The terraces are cleverly d__________, with hundreds of waterways that connect with each other. 　　6.Although modern technology could help produce more crops, the rice growers are people for whom ________(传统)hold much value. 　　7.This knowledge is passed down through families, which means that new g_________ continue to use ancient methods of __________(农业)to maintain the terraces. 　　8.Today, the Longji Rice Terraces a_________ thousands of visitors who come to __________(欣赏)this great wonder created by people and nature working together. 　　9.Don’t h__________ your eyes by reading in the bright sun. 　　10.She was busy; t__________ she could not come to the party. 　　11.China is situated in one of the most active earthquake __________(区域) in the world. 　　12.The __________(传统) of the Dragon Boat Festival started more than 2,000 years ago. 　　13.Our school was __________(设计) by a famous professor from Tongji University of Shanghai. 　　二、阅读理解 　　Plant cloning has been an agricultural technique used by farmers and gardeners for centuries.Grafting(嫁接)is a common form of plant cloning.Many plants in nature actually clone themselves and reproduce asexually. 　　Cloned plants are much more predictable than normal plants, so their yield(产量)is more reliable.Cloned plants also reproduce faster, limiting the amount of time between planting and harvesting.It is often cheaper to produce seeds through cloning than through traditional methods.Plants can essentially be optimized so that f