We are the stars.
A:looking at
B:looking
C:look at
如图,在半径为6cm的圆中,弦AB长6 3 cm,试求弦AB所对的圆周角的度数.
(____)(1)A. first B.second C. three
(____)(2)A. classroom B.play C. playground
(____)(3)A. heavy B. high C. school
(____)(4)A. on B.in C. me
(____)(5)A.floor B. push C. swing
How many ________?
如图所示,函数y1=|x|和y2=13x+43的图象相交于(-1,1),(2,2)两点.当y1>y2时,x的取值范围是( )