中国特色社会主义伟大实践之所以取得如此辉煌的成就,最根本的一条就是( )
A:以经济建设为中心
B:贯彻科学发展观
C:坚持党的领导
D:坚持社会主义初级阶段的基本路线
读短文,将人物和图片连线。
My name is Yaoyao. I'm in Sydney. It's very hot. I wear a beautiful dress. Mike is going to Beijing next week. It's winter in Beijing now. He should wear gloves. Bill is in the USA. He should wear trousers. Joy is in her room. It's very warm. She wear a shirt. Binbin is playing football now. He is wearing socks.
① ____ A.
② ____ B.
③ ____ C.
④ ____ D.
⑤ ____ E.
友情提示:CO2不溶于饱和碳酸氢钠溶液,也不与之反应。
已知sin(π﹣α)=﹣23,且α∈(﹣π2,0),则tan(2π﹣α)=____