A:***是中国特色社会主义事业的领导核心
B:我国坚持改革开放的基本国策
C:自由贸易港的设立有助于为我国经济的增长提供新的动力
D:我国正以更开放的姿态加速融入世界
如图,在⊙O中,AB为直径,BC为弦,CD为切线,连接OC.若∠BCD=50°,则∠AOC的度数为( )
A
Linda,14
My mother does most of the housework like cooking and folding the clothes.My father can only do the washing,sweep the floor and take out the rubbish.He really needs to learn how to do the housework.
Celina,13
My mother and my father do 50% of the housework each.My mother does the washing and cleans the living room.My father makes the bed and drives me to school.
Paul,16
My father doesn't do a lot but he tries to help.He hangs__up the clothes after my mother washes them and my mother is happy that he always gives her a hand.
Bill,15
My mother is a doctor.She is busy with her work every day,so she has little time to do the housework.In fact,she isn't good at doing it.So my father has to do most of it.Sometimes my grandmother comes to help.
Jill is a(n)____ ____.