题目

One afternoon, my son Robby came home and lay down. He slept for a long time, but ______ very sick. I was ______ and called my friend Bill. He told me to take Robby to the nearby clinic (诊所) and also told me the way to get there. We started out immediately.The doctor there ______ Robby, and then said, “I’m afraid you’ll have to drive him to the ______. He needs a(n) ______ right away.” “But we have just moved here ______ I have no idea where the hospital exactly is!” I said. She just replied simply, “You can do it. There’s no ______ to waste.” Robby was feeling ______. I 根据下列表格中二次函数的自变量与函数值的对应值，判断方程（为常数）的一个解的范围是（　　） 6.17 6.18 6.19 6.20 Ａ． B． C． D．