From all that I have said, it can be concluded that there is no relationship between numbers and good luck. It is the psy cholog ical factor that makes some people believe in“ lucky numbers.” Model two Many people think that观点1, because理由. At first glance, it sounds reasonable For example,举例说明. Besides,再举例说明 But in fact,列出事实1、2、3反驳. Therefore,得出结论 Some actions or measures must be taken to对付某问题. first,措施, Second,措施。 And last措施。 Global Shortage of Fresh Water Many people think that fresh water would not be exhausted because one can get it almost everywhere. At first glance, it seems reasonable. For example, whenever one turns on the cock, he will get fresh water immed iately. Besides, he will find fresh water resources like rivers. lakes well and so on It is hard to imag ine that fresh water could be used up But in fact our world is short of fresh water and some areas even suffer from lack of fresh water. The increase of population and the development of industry and agriculture require more and more fresh water while more and more fresh water resources are polluted and exhausted. Therefore, the shortage of fresh water is actually a serious problem in some regions and it has become a global problem which is threatening the existence of mankind It is urgent that some measures be taken to ensure the continuous supply of fresh water. First, everyone should be careful enough not to waste any water. Second factories should make full use of fresh water by recycling the waste water and reducing the pollution. And last, scientists should make efforts to find new fresh water resourcesFrom all that I have said, it can be concluded that there is no relationship between numbers and good luck. It is the psychological factor that makes some people believe in “lucky numbers.” Model two Many people think that 观点 1, because 理由. At first glance, it sounds reasonable. For example, 举例说明. Besides, 再举例说明. But in fact, 列出事实 1、2、3 反驳. Therefore, 得出结论. Some actions or measures must be taken to 对付某问题. First, 措施，Second,措施。 And last 措施。 Global Shortage of Fresh Water Many people think that fresh water would not be exhausted because one can get it almost everywhere. At first glance, it seems reasonable. For example, whenever one turns on the cock, he will get fresh water immediately. Besides, he will find fresh water resources like rivers, lakes, well and so on. It is hard to imagine that fresh water could be used up. But in fact, our world is short of fresh water, and some areas even suffer from lack of fresh water. The increase of population and the development of industry and agriculture require more and more fresh water while more and more fresh water resources are polluted and exhausted. Therefore, the shortage of fresh water is actually a serious problem in some regions and it has become a global problem which is threatening the existence of mankind. It is urgent that some measures be taken to ensure the continuous supply of fresh water. First, everyone should be careful enough not to waste any water. Second, factories should make full use of fresh water by recycling the waste water and reducing the pollution. And last, scientists should make efforts to find new fresh water resources