Argument 2 1The countryside is a lost cause. 2The green fields and woodlands known as “green belts” that surround our cities are essential to maintain the beauty of the countryside. 3Over 8 percent of the countryside is now built up(用来建筑楼宇). 4Green belts are ever more essential to provide lungs to our growing cities, helping them to “breathe”. 5Unfortunately, the countryside is rapidly disappearing as the extensive building of new homes stretches out of the cities. 6Before long it will be gone and once that happens, it will be difficult, if not impossible, ever to restore the complex ecosystems of lost woodlands and hedgerows. The inconsistent sentence : ___________