【推荐1】The______________(expand) of the city has brought damage to the natural surroundings. (所给词的适当形式填空)

【推荐2】All of these activities contributed to a great age of ________ (expand) as trade and cultural exchanges gave people access to new goods, knowledge and ideas. (所给词的适当形式填空)

【推荐3】The book is an ________ (expand) of a series of lectures given last year. (所给词的适当形式填空)

【推荐1】With more and more people putting the low-carbon lifestyle into practice, the ______ (consume) of coal has declined in recent years. (所给词的适当形式填空)

【推荐2】Here is full of ________________ and humans and nature make a ________________ picture. (harmony) (所给词的适当形式填空)

【推荐3】Music grows and evolves through the _________（interact）of different cultures and styles. （所给词的适当形式填空）