6．政府可以向游客开放，使用赚取的钱来保护和修复它们。(open ... up)

　　The_government_can_open_them_up_to_tourists_and_use_the_money_earned_to_protect_and_repair_them.

　　7. 此外，房地产公司还可以开发荒地建造新房子。(不定式作目的状语)

　　Besides,_the_estate_company_can_develop_the_wasteland_to_build_new_houses.

　　第四步：句式升级造亮点

　　1．用it作形式主语改写句5

　　On_the_other_hand,_a_lot_of_people_think_it_is_wrong_to_pull_down_the_ancient_buildings._

　　2．用v.­ing作伴随状语改写句6

　　The_government_can_open_them_up_to_tourists,_using_the_money_earned_to_protect_and_repair_them.

　　第五步：过渡衔接联成篇

　　Ancient Buildings and New Houses

　　 A estate company wants to pull down the ancient buildings to build new houses. They think the ancient buil­

　　dings are falling into pieces and the government can't afford to repair them. They make our city look ugly. What's more, a lot of people in our city have no houses to live in. If they do pull down the ancient buildings, it can satisfy this need.

　　On_the_other_hand,_a_lot_of_people_think_it_is_wrong_to_pull_down_the_ancient_buildings._Ancient_buildings_are_cultural_relics._Without_them,_we_can't_know_our_history._Everyone_has_the_duty_to_protect_them._The_government_can_open_them_up_to_tourists,_using_the_money_earned_to_protect_and_repair_them._Besides,_the_estate_company_can_develop_the_wasteland_to_build_new_houses.