先阅读短文，然后根据短文内容从方框内所给的单词中选择最恰当的词（注意词形变化）填入短文空白处，使短文完整、通顺。一词只用一次，一空限填一词。方框中有两个词是多余的。
| well, homework , come , dress, important , parent , hold , nothing , how , necessary , help, housework, anything |
Now lots of parents will buy everything that their children want to have. If they go on with the habit , their children won't know the money ____from hard work .
Some parents like to____birthday parties for their children . If they keep on doing this , their children will think it____ for them to enjoy birthday parties every year . Year after year , maybe they will forget their ____birthdays and only remember their own . It is against traditional habits.
Many parents don't let the children do ____. They think children have only one thing to do. They should study hard and do____in their lessons . If parents go on doing like this, the children will only learn to open their mouths to be fed and stretch out (伸出) their arms to be ____every day . When the children grow up , they will be able to do ____ and they won't even find a____. Parents should teach the children ____to do housework because it can ____ them start good habits of working by themselves.
，g（x）是二次函数，若f[g（x）]的值域是[0，+∞），则g（x）的值域是（ ）