Unit 4 The Earth 单元测试（广州专用） 学校:_____姓名：_____班级：_____考号：_____ （考试时间：100分钟 试卷满分：110分） 一、语言知识及运用（共两节，满分25分） 第一节 语法选择（共10小题，每小题1.5分，满分15分） 阅读下面短文，按照句子结构的语法性和上下文连贯的要求，从1-10各题所给的A 、B、C 和 D 项中选出最佳选项。 There was once a king who had a great palace with a beautiful garden. He was happier than anyone else there. In the garden, there lived all kinds of animals. All of them enjoyed 1 . The king was very happy with the whole garden except for 2 old tree. It was so old and dry that the king hated it very much. Finally, the king ordered some people 3 it down and turn the place into a swimming pool. 4 his surprise, after the tree was cut down, the animals left the garden. Without the animals, the garden didn’t look so beautiful any more. The king was disappointed, but he didn’t know what had happened. A young man went to the king, and said he could 5 what had happened. “This was because you cut the old tree down,” said the young man. “There 6 some moths (飞蛾) living in the old tree. Birds needed to eat the moths and then they produced waste for plants to grow. The plants then attracted many 7 animals to your garden. So the tree is important to your garden because it can make your garden beautiful.” “Excellent!” said the king. “I’ll make you rich 8 you make my garden beautiful again.” “I’m afraid you will spend many years on it. It 9 many years to get the natural balance.” said the young man. The king was sad. This was the first time he realized the importance of 10 trees. But all he could do was just to wait. 1．A．them B．their C．theirs D．themselves 2．A．a B．an C．the D．/ 3．A．cut B．cuts C．to cut D．cutting 4．A．In B．To C．For D．At 5．A．explain B．explains C．explaining D．explained 6．A．was B．were C．is D．are 7．A．other B．another C．the other D．others 8．A．unless B．if C．or D．though 9．A．spend B．will spend C．take D．will take 10．A．protect B．protecting C．to protect D．protected 第二节 完形填空（共10小题，每小题1分，满分10分） 阅读下面短文，掌握大意，然后从11-20各题所给的A 、B 、C 、D项中选出最佳选项。 Forests are very important to the Earth. They provide homes for many animals, keep the air clean, and stop sandstorms. But many forests are in 11 today. People cut down too many trees, and forest fires also destroy large areas of forests. Saihanba is a great 12 of how people can bring forests back. Hundreds of years ago, it was a beautiful forest. But then wars, fires and people cutting down trees turned it into a 13 . When the forest was gone, terrible sandstorms started to hit Beijing. In the early 1960s, scientists came to Saihanba to find a way to 14 the problem. They found an old tree and knew it was still possible to grow trees there. In 1962, the first group of tree planters 15 . The work was very 16 . The weather was cold and dry, and strong winds often 17 the young trees. Winter temperatures dropp ... ...
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