中国住宅销售价格指数由70个大中城市的新建住宅销售价格指数和二手住宅销售价格指数组成（）
参考答案：对
______ is evolved from Realism when the author's tone in writing becomes less serious and less sympathetic but more ironic and more pessimistic.
A. Romanticism B. ModernismC. Naturalism D. Scientism
胆酸在肠道细菌作用下可转变为
A．甘氨胆酸
B．脱氧胆酸
C．石胆酸
D．鹅脱氧胆酸
E．牛磺胆酸
