A:①④
B:②③
C:①③
D:②④
已知A-1,m与B2,m+3是反比例函数y=kx图象上的两个点. (1)求m和k的值 (2)若点C(-1,0),连结AC,BC,求△ABC的面积 (3)根据图象直接写出一次函数的值大于反比例函数的值的x的取值范围.
Amy and her family ____ over the winter holiday.Hainan is ____ their home, so they went there ____. Sanya is a good place to visit. The weather is ____. The ____ is beautiful. Amy took lotsof pictures there. She ____ in the sea, too.
下列句子中,没有语病且句意明确的一句是( )