湘西州的哪种民族舞蹈,2008年入选参加了北京奥运会开幕式前表演?
参考答案:湘西州的毛古斯舞,在2008年入选参加了北京奥运会开幕式前表演。
My father took me to try the paragliding. It was very ___________.
A.excited
B.exciting
C.boring
D.interesting
选用哪些发酵原料能使沼气池产气快、产气好?