Unit 2 Amazing numbers单元测试（深圳专用） 学校:_____姓名：_____班级：_____考号：_____ （考试时间：70分钟 试卷满分：75分） Ⅰ.完形填空（10分） 阅读短文，从 A、B、C、D 四个选项中选择最佳答案。 Numbers are very important in our daily lives. We use them to do many things. For example, when we plan a journey, we need to check train or flight schedules, which use numbers to show 1 . When we make a monthly budget, we use numbers to track our income and 2 . Numbers also help us design buildings and develop new 3 . The world population is a great example of how numbers help us understand the world. Before 1800, the population grew 4 . During the 1800s, it began to rise quickly. In 1950, there were about 2.5 billion people. By 2000, the population had more than 5 , reaching over 6 billion. Now, the population is still growing, but more 6 in some countries. Numbers help us record and present information. Line graphs are often used to show population 7 . They make it easy to see if numbers are rising, falling, or staying the same. For example, a line graph of world population shows a sharp 8 after 1900. Without numbers, it would be hard to plan, make decisions, or understand big changes. Numbers truly make our lives 9 and help us learn about the 10 . 1．A．places B．times C．names D．prices 2．A．spending B．friends C．hobbies D．food 3．A．games B．medicine C．books D．music 4．A．quickly B．sharply C．slowly D．fast 5．A．doubled B．fallen C．dropped D．stayed 6．A．quickly B．sharply C．slowly D．fast 7．A．change B．size C．place D．time 8．A．fall B．drop C．rise D．stay 9．A．harder B．easier C．busier D．busy 10．A．city B．school C．world D．home Ⅱ.阅读理解（40分） 第一节 阅读下列短文，从下面每小题所给的A、B、C、D四个选项中，选出最佳选项。（共15小题，每小题1.5分） A According to a recent report from the United Nations, the world population can reach 8.4 billion in the year 2025. But during the past 10 years or so, there has been a large and rapid (快速的) drop in the world’s birth rate (比率). Families are smaller now than they were a few years ago. It is happening in both developing countries (such as China and India) and developed countries (such as America and England). Some families don’t want to have more babies because they believe that it’s difficult for them to raise two or more children. China is such a country that it has already cut its rate of population growth since 1970. Most Chinese families have no more than one child. And it reached a zero population growth rate in 2010. But in 2021, the Chinese government passed laws to encourage (鼓励) families to have three babies, because there are too many old people now. Some factories can’t find enough people to work. That’s terrible. Several countries in Europe already have a negative growth rate. Experts say that these countries could face a serious shortage (短缺) of workers in the future. And those who are working could face higher taxes (税) to help support the growing number of re ... ...
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