老师：Hello everyone, welcome to my class. We are going to learn you need one topic. Two, the population in developing countries is growing faster. Session C, I hope by the end of the class you will be able to first use new expressions such as words, supply, 1/5, natural, offer, etc. To talk about population problems. 2Nd, use the reading skill of finding out the topic sentence of each paragraph. Third, read the news to know more.
老师：more social issues 通过本节课的学习，希望你能够运用所学知识点谈论人口相关问题，并掌握寻找段落中心句的阅读技能。看新闻，了解更多社会问题和国家政策。
老师：First of all, let me introduce a friend to you. He is Bob. He is a minion. More and more minions appear in Bob ethnic groups. The living space is becoming less and less.
老师：Bob wants to do some research on the population province and make a report in his group. He tends to Doctor Nefario. Doctor Nefario asked him to do the following cuff. Let's help him to do the research.
老师：Bo has to collect some data, then analyze the problems. According to the data, he will see the achievements and then make the report in his afternoon group. Let's collect the data with Bob. What's the population of the world? The current population of the world is 8000002300 and ninety. What's the population of China? China has a population of 1.411 billion, 780000. How many people in the world live in China? We can see that about one fifth of the people in the world live in China. Let's see the expression of fraction 1.
老师：fifth 1/ 5 分数在英语的表达中，分子用奇数词，分母用序数词。
老师：Wow, what a large population. Does it cause any problems? Now let's watch a video with Bob and think about the question.
学生：On November 15th,2022, the world's population is projected to reach 8 billion people, a milestone in human development. The increasing population has an effect on the ecology, living space and jobs. Because of the large population, the natural environment is destroyed by human beings. The more population is, the more living space is needed and it will be more difficult for people to find jobs.
老师：Bob finds that the large population has caused some social problems in the video. What are they? Yes, the living space, jobs and the environment are influenced by the large population. In a video, we can see that there was less living space. It was hard to find jobs and the natural environment is becoming worse. Here the new word natural means some things exist in nature and worse is the comparative of bad.
老师：After knowing leads from the video, Bob is thinking about what other social province the large population has called. Doctor Nefario shows him a passage. Let's read with him. First, let's get through the passage and try to write down a title of it. Please pay attention to the words that appear in a passage frequently.
老师：现在，请你按下暂停键，快速浏览全文，注意文中反复出现的词，相信你很快就能写出合适的标题。
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