瑶族的盘古王诞要举行隆重的（）活动。
A.耍花灯
B.耍歌堂
C.迎新娘
D.满月酒
参考答案：B
We ___________ TV at eight o’clock yesterday evening
A. are watching B. were watching C. watched
血液循环有何生理意义？
