年份
2010
2011
2012
2013
2014
2015
2016
消费对经济增长贡献率（%)
37．3
51．6
51．8
50．0
50．2
66．4
73．4
①城乡居民收入持续增长
②社会保障体制不断完善
③我国物价水平总体保持基本稳定
④我国推动经济发展更多依靠消费驱动
What kind of structure is the sentence “The girl showed her classmates some of her family photos.”?
