1. Unit 1 Study Skills Skimming & scanning 沛县栖山中学： SunChunlian

2. Mars Red Planet atmosphere 大气 Carbon dioxide 二氧化碳 95 per cent

3. The surface of Mars is more like the surface of the earth than other planets

4. Two moons: Phobos and Deimos

5. What’s the text mainly about? Read the text on p18 by yourselves. Do we need to read every word to get the answer? We just need to run over the text quickly--- read the first and the last paragraphs, the title and the headings. We call this kind of reading skill skimming.

6. Is there any life on Mars? Why ? Read the text on p18 by yourselves. Also, we don’t need to read every word. Instead, just look for the key information that will answer your questions. So we call this kind of reading skill scanning.

7. Practice Help Denial find the answers by skimming and scanning the text.