关于北方地区和南方地区的说法，不正确的是（    ）

西安事变得以和平解决的关键是（    ）

   All students need to have good study habits(习惯). When you have good study habits, you can learn things quickly. You also remember them easily. Do you like to study in the living-room? This is not a good place because it is usuallytoo noisy. You need to study in a quiet place, like your bedroom. A quiet place will help you only think about one thing, and you will learn better. Before you begin to study, do not forget to clean your desk. A good desk light is important, too. You are feeling tired easily if there is not enough(足够的) light.

下图是马星驰创作于1919年的时政漫画，题为《民气一致之效果》。结合当时形势，分析该漫画，以下各项表述，不正确的是