1. Perhaps there s no better example of high-level corruption than the case of former Beijing Mayor Chen Xitong .
2. The airliner crash is seen as merely the tip of an iceberg .
3. The importance of exercise to good health is only one example of aspects of life people most often take for granted .
4. Just imagine how great the word would be if we would only exhibit greater concern for our fellowman .
5. Suppose we re on a ship that hits an iceberg . Do we flip a coin to see who gets the seat on the lifeboat , or do we resort to violence to ensure our self-preservation ?