1. A shih tzu is a toy dog breed weighing between five and seven-and-a-quarter kilograms with long silky hair.2. A Chinese lion dog is loyal, affectionate, outgoing, and alert, making it an excellent watch dog.
 shih tzu Chinese lion dogshih tzu 單複數同形。< >
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 glciers, which leads to rising sea levels.