老师：Good morning, everyone. Hard things with you. I hope you're all feeling well. I'll show you some special pictures at the beginning of this lesson. Do you know what their names are? Let's read 1A and choose a right picture for paragraph.
老师：我们在进行图文配对的时候，可用排除法来解决问题。如我们可以看出图 a 中的是一种交通工具，图 b 中的是某种火车，而图 c 并不能确定它的名字。通过刚才的阅读，我们可以先从最后一段的 train 一词为切入点，确定最后一段描述的是ToB，然后根据第三段的名词 vehicle 确定它的描述是图a，那么最后就可判断出第二段描述的是图c，问题就迎刃而解了。
老师：除了借助词汇进行判断，我们还可以借助语言环境来进行判断。请同学们看下面一组词汇和图片，我们可以根据 a 中的 rain 确定它与第三幅图片相匹配， as is the rain 酸雨。至于 b 和 c 两个名词，短语和名词，我们要根据语言环境来进行选择了。
老师：lets give it a try now。
学生：In many countries, people produce power from coal, but it is very dirty and causes acid rain. Some countries use nuclear energy to produce power. However, nuclear power can be very dangerous. To solve the energy problem, people all over the world are looking for new ways to produce power. China is one of the first countries in the world to use biogas technology. Farmers recycle straw, grass and animal waste to make biogas. This renewable energy is used in people's everyday lives. Its key disadvantage is that the process requires a long time, up to 30 days, and the cost is high.
学生：Electric vehicles were developed in the 1990s. On April 11th,2010, a new kind of electric vehicle named Yezi was shown in the 2010 Shanghai World Expo. It produces electricity from the sun, the wind and CO2. It can not only protect the environment but also save energy. It's too small to hold many people, but larger models will be developed in the near future.
学生：In China, the best known maglev train is the German built one in Shanghai. It takes people just seven minutes to go to the airport 30 km away. The train can reach a top speed 431 kilometers per hour. It is quiet and quick. There is no wheel noise because there are no wheels. Maglev trains are very energy efficient and do not pollute the air. However, maglev guide paths are much more expensive than traditional steel railways.
老师：Have you got the correct pictures? However, nuclear power can be very dangerous.
老师：可以猜测出鱼壁 nuclear energy 相对应的图片应该是第一幅图，甚至可以猜出它的含义是何。能这样，与第三个名词相对应的图片就一定是第二幅了， ill guess 名词沼气。这样通过两轮的阅读，我们对本文的大概有了一些了解。想要更详细的了解文章中提到的具体内容，我们还要细读课文 now lets read one a carefully and complete following table。通过表格，我们知道在细读的过程中，要聆心的是三种新生事物的 advantage 优点和 disadvantage 缺点。同学们可以边读边画出关键词。另外，表示对比和转折的连词很容易出现在优缺点的过渡句中，如but， while 和 however 等。大家在阅读过程中要注意观察 lets give it a trip。
学生：In many countries, people produce power from coal, but it is very dirty and causes acid rain. Some countries use nuclear energy to produce power. However, nuclear power can be very dangerous. To solve the energy problem, people all over the world are looking for new ways to produce power. China is one of the first countries in the world to use biogas technolo
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