A:stop to cry
B:stop crying
C:to stop crying
下列有关植物组织培养的叙述错误的是( )
Jane asked the shop assistant whether ____ ____pay for thee-book by credit card.
(1)如图,过反比例函数y=kx(x>0)图象上任意一点P(x,y),分别向x轴与y轴作垂线,垂线段分别为PA、PB,证明:S矩形OAPB=k,S△OAP=12k,S△OPB=12k.
(2)如图,反比例函数y=kx(x>0)的图象经过矩形OABC对角线的交点M,分别与AB、BC交于点D、E,若四边形ODBE的面积为9,求k的值.
I want to be a newspaper reporter because I _________ talking with all kinds of people.