老师：同学们好，欢迎大家来到北京市中小学空中课堂，我是来自北京市朝阳区陈经纶中学分校实验学校的邱晨老师。今天我们一起学习外研版八年级上册 revision b，让我们开始今天的学习之旅。
学生：i have a good friend。 His name is Jason. He wants to know something about our city, Beijing. As a local person, what do you know about our city? We can talk about with whether population and city problems. 1St, I would like to introduce the weather to Jason.
学生：The weather in Beijing is in summer. Here we can see summer, so we choose hot and eat happily. Sometimes we can see heavily, so we choose rains. Autumn is very, we know that autumn is a cool season in Beijing, so we choose cool. But it's very in winter. Here we can see winter. We know that winter is very cold, so we choose code, and it's often snowy.
学生：The weather in Beijing is hot in summer, and it rains heavily sometimes. Autumn is very cool, but it's very cold in winter, and it's often snowy. Now, please open your books and turn to page 107. Let's look at activity twelve. Please underline the correct words. The weather is not very good anywhere today in the north. The temperature will be very low, and it will snow. It will stay. for the next few days。
老师：在这里我们可以看到。
学生：stay。
老师：在 stay 的后面我们需要添加一个。
学生：形容词， so we choose。 Snowy. It will stay snowy for the next few days in the west. There will be a few.
老师：我们能看到 a few 的后面是要加上可数名词复数。
学生：so we choose storms， eat wheel for two more days。
老师：在这里我们看到了will。在 will 的后面，我们需要添加动词原型。
学生：so we choose rain then the sun will come out on Saturday， it will be in the south here we can see be。
老师：在 b 的后面，我们应该添加的是形容词。
学生：so we choose hot， but well arrive in the afternoon。
老师：在这里我们看到了wheel。 wheel 的前面应该添加的是名词，所以我们选择。
学生：showers。 In the west, there will be a few storms. It will rain for two more days. Then the sun will come out on Saturday. It will be hot in the south, but showers will arrive in the afternoon. And then I will introduce the population in Beijing to Jason. Number one, Beijing has about 21 million people. 21 Million, yes, very good. We choose a.
老师：Liang Qian Yibaiva.
学生：Number two, there are about 1 million students in middle schools and in primary schools in Beijing, 1 million, but. very good， which is b。
老师：100 万同学们，我们有这么多的兄弟姐妹在和我们一起学习。 Beijing.
学生：Is a very big city. It has a lot of city problems. And please match the city problems with the solutions. Number one, air pollution. How do you think? Which one is the best solution for this? Yes, very good. Green life. Very good.
学生：Last one, large population, good countryside development. I think countryside should be developed. I think maybe it's a good solution for large population of Beijing. Now, please open your books, turn to page 107. Let's look at activity. Thirteen, complete the sentences with the words in the box. Number one, this is a Park. Anyone may vis
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