4小节内部由2+2的片段组成，称为周期结构组合

单项选择题曲水流觞的原生地在何处？（）A、承德避暑山庄B、北京北海C、杭州西湖D、浙江绍兴

单项选择题In the following sentences, decide if the words underlined are specific or not. Insert the （Y）if specific. N（not specific） Example: .............inflation was the greatest problem for ...... Brazilian government. （N）Inflation was the greatest problem for (Y)Brazilian government. .......... French police have issued a warning about the terrorist groups.