1. When I see a cockroach, I swat it with a rolled-up magazine.2. I rolled up a magazine and smashed the cockroach with it.
 roll up something rolled-uproll up 非常貼切
這是一個連環問題: 燃燒石油導致二氧化碳增加，二氧化碳增加導致溫室效應，溫室效應導致冰層融化、海平面上升。 (請填空)
This is a chain of problems. Burning oil leads to increase in carbon dioxide, which leads to the greenhouse effect, which leads to melting of laciers, which leads to rising sea levels.