1、Project Unit 3 Science and nature How can we deal with the relationship between human beings and nature? 1. What have people done to nature? 2. If we continue in this way, what might happen? Listen again and answer the questions. 3. What did developing nations do decades ago? What are they concerned
2、 about now? 4. What are poorer nations doing now? What is their purpose for doing so? 1.图片对齐 在我们插入PPT图片或是输入文字的时候，为了整齐都需要将插入的文本框对齐 ，但是又不想一个一个的进行操作，这时按住Ctrl键将需要进行对齐的文本选中 ，点击开始排列对齐垂直居中即可； 2.巧用格式刷 在制作PPT的时候为了保证PPT风格的统一，很多任通常会使用复制粘贴来确保 每一页PPT格式相同，这样对于少页数来说可以进行操作，但是碎玉多页面的话 就有点麻烦了，其实我们可以巧用格式刷：首先，在开始菜单栏下方有一
3、个格式 刷，点击格式刷，很快就能看到效果； 3.去除所有动画效果 很多人在制作PPT的时候都是直接在模板库里下载模板进行使用的，但是下载的 模板大多数都是有幻灯片的，这样在演讲的时候很不方便，怎样将其进行去除呢 ？单击幻灯片放映选择设置幻灯片放映，放映类型选择演讲者放映；换片方式 选择手动即可； 4.PPT快键 PPT逼格提升技巧逼格提升技巧 1. What have people done to nature? 2. If we continue in this way, what might happen? They have done a lot to destroy and damag
4、e nature. The planet we live on might be destroyed. Listen again and answer the questions. They did a lot to destroy nature by using up natural resources. However, now they are concerned about saving nature. 3. What did developing nations do decades ago? What are they concerned about now? They are u
5、sing up natural resources at a fast pace to meet the everyday needs of their people. 4. What are poorer nations doing now? What is their purpose for doing so? Read the passage quickly and fill in the table. What do you know about GM food? Genetically modified foods (or GM foods) are foods derived fr
6、om genetically modified organisms. Genetically modified organisms have had specific changes introduced into their DNA by genetic engineering techniques. Look at the title “GM food: hope or danger?” and predict what will be talked about in the article. It will tells us two different opinions about GM
7、 food - some people are for it while other people are against it. 1.What are peoples different attitudes towards the study of genetics? 2. What are the two ways that an animal and a plant can be genetically modified? Read and answer the questions. 3. What is the one aim of GM research talked about i
8、n the article? 4. What has GM technology been done to plants? 5. What are the problems about GM food and GM plants? 6. What is many countries attitude towards GM FOOD? Why do they hold such attitude? 1.What are peoples different attitudes towards the study of genetics? 2. What are the two ways that
9、an animal and a plant can be genetically modified? Read and answer the questions. Many people are excited, while others are frightened. One way is to insert new material into a plants or an animals DNA to give it new qualities. The other way is to take material out of a plants or an animals DNA to r
10、emove unwanted qualities. 3. What is the one aim of GM research talked about in the article? 4. What has GM technology been done to plants? The aim is to produce food that can make people healthier. It has been used to produce plants that are better able to defend themselves against pests and diseas
11、e. It can also produce plants that have larger harvests. 5. What are the problems about GM food and GM plants? Two main problems are talked about in this article. One is whether it is safe or dangerous to eat, the other is whether it is safe or dangerous to the environment. 6. What is many countries attitude towards GM FOOD? Why do they hold such attitude? They have hesitated to permit the production of GM food, because they are not sure whether GM food is safe.
