— What should I do with this passage?
— _______ the main idea of each paragraph.
A:Finding out
B:Found out
C:To find out
D:Find out
看图,读一读,将字幕的序号填在横线上。
A. I like July.It's hot and sunny in July in Shenzhen. We can go to the beach.
B. In Australia, Christmas is in summer. Father Christmas wears shorts.
C. It's windy and cold in July in Sydney.
D. Hello, I'mTom. I like winter. I can skate in winter.
阅读下列材料:材料一:见下图(1)根据图(1)请回答:(1)秦始皇为加强中央集权,在中央设立了哪三个官职?(2)秦朝地方上推行什么制度?
已知△ABC中,角A,B,C所对的边分别为a,b,c,外接圆半径是1,,且满足条件2sin2A-sin2C=sinA-sinBb,则△ABC的面积的最大值为 ( )