图书介绍：In half a century， China has extrordinary a chievements. Its economic developent-an example for the world. may cause envy in other countries .It is ganing in the battle against poverty. ittiters each year and is caughit in problems connected to modernisation， urbanisation， transportation， communications， energy， potable water， and pollution， It must still improve education， and develop secience and technologies. But things progress， and one and see and fell the changes day after day; it is one