题目

选词填空 1．All these pictures are ____________ (put/ putting) on the wall. 2．It took them two hours ____________ (to finish/ finish) the work. 3．Some kites ________________ (were painted/ painted) colorful. 4．The news sounds ______________ (interested/ interesting)． 5．These small pieces of clay art show the love that all Chinese people have for life and ______________ (beautiful/ beauty)．已知A（-1，m）与B（2，m+3）是反比例函数图象上的两个点．（1）求k的值；（2）若点C（-1，0），则在反比例函数图象上是否存在点D，使得以A，B，C，D四点为顶点的四边形为梯形？若存在，求出点D的坐标；若不存在，请说明理由．