1. Read OG article, answer the question; 2. 总结 the structure of passage to see how information is organized; 3. 用小安的总结方法进行总结; 4. Go to step 1 for all OG articles; 5. Go to step 1 to see the results; then 总结 where is wrong and how it is wrong; if necessary, repeat step 1-3 for those are wrong; 6. Go GWD to see how good you are, then go to GMAT center.