1. The artists work pushes our civilization to a higher level。 改进：Artists work upgrades our civilization。 2. For example， you work in a big factory。 改进： Suppose you work in a big factory。 3. Youll find you are fit for b
【插图】 there are a great many beautiful and delicate pictures to illustrate the words and make it more understandable. With those wonderful pictures, learning can be real fun and easy! 【环境优美】 The amazing part is its picture
