△ABC中，角A,B,C成等差数列是$\sin C=\left(\sqrt{3}\cos A+\sin A\right)\cos B$成立的（  ）

泰宁县西北侧的山脉是（    ）

      Every year people celebrate the Spring Festival in China．Usually it is in January or February．It's the most important (重要的) festival in China．So before it comes，everyone buys many things，and they often make a special kind of food called dumplings—It means(意思是) “come together”．Parents always buy new clothes for their children and children also buy presents for their parents．On the Spring Festival eve (除夕)，all the family come back home. They sing, dance and play cards．When they enjoy the meal，they give each other the best wishes for the coming new year．All of them have a good time.

将法国大革命中下列重大事件按时间先后顺序排列，正确的应是（　　）

①拿破仑发动政变

②攻占巴士底狱

③发表《人权宣言》

④雅各宾派上台专政