老师：Hello, everyone. It's pleased to see you again. Have you ever heard of that? The earth is hungry? There are too many people in the world. We have to find food for about 375000,840 Newborn babies every day. Maybe you don't know that the earth even thirtieth Thursday, coke down.
老师：While nearly three fourths of the earth is covered with water, we are still short of drinking water, nearly. Jinhu Jiangjian, let's read the following passage and put the paragraph in the correct order. The sea seems to have the best answer. There is plenty of water in the sea. We need to take the salt away from the seawater. This is a very expensive. If scientists can find cheaper ways to do it, we can solve problem of the shortage a water. How can we avoid a serious water shortage?
老师：1St, we should save water and not waste it. 2Nd, we should protect our water resources and not pollute them. 3Rd, we should discover ways to reuse water. Scientists have made some progress in this field. Today, some large cities are reducing their water. People's need for water is increasing day by day. Don't have enough water. What else can we do? Although the world is hungry, it is even thirstier.
老师：While nearly three fourths of the earth is covered with water, we are still short of drinking water. This is because about 97 percent of the water on the earth is seawater. So we can't use it for watery plants or drinking direct. today humans can only drink and use fresh water。 From places including reverse Lakes, under. round。
学生：我们在完成给段落排序的任务时，可遵循时间顺序、空间顺序和逻辑顺序。对于这篇短文来说，我们就要遵循逻辑顺序来给段落排序，即按导入话题、提出问题、解决问题的顺序。
老师：now lets give it a try。
学生：第三段对话应该是短文的开头部分，因为在这段里，作者用 although the world is hungry it is even thirsty。尽管全世界缺粮，但是更缺水，引出了本文的话题水的短缺。第二段， how can we avoid a serious water shortage？我们怎样才能避免严重缺水的现象呢？提出了本文要解决的问题，所以它的位置不变。第一段的结束语， if scientists can find cheaper ways to do it we can solve the problem of the shortage of water。如果科学能找到更实惠的方法去处理它，我们就能解决缺水的问题了。是对我们本文提出的问题的一个总结，给出了结论，所以它是文章的结尾，即正确顺序为321。
老师：thats the exact answer you did very well now， lets read the passage again in the right order and then answer the questions。
老师：我们曾经。
学生：讨论过，在根据短文内容回答问题的练习中，问题的设置往往是有规律可循的。我们可以看出，这四个问题中，第一个问题是针对文章的开头提问的，第二个问题是根据文章的第二段提问的，第三段是针对文章的结尾段落提问的。而第四个问题则是一道个人理解的主观题，没有固定的答案，答案源于我们对文章内容的理解和反应。现在我们就来通读阅读问题所在的段落来回答相应的问题。
老师：although the world is hungry。 It is even thirstier. While nearly three fourths of the earth is covered with water, we are still short of drinking water. This is because about 97% of the water on the earth is seawater. So we can't use it for watery plants or drinking directly. Humans can only drink at the use fresh water from places including rivers, legs, underground. Question one, why is our world thirsty when three fourths of earth covered with water?
学生：Because
查看隐藏内容
