家庭电路中常用带有开关的移动插座，插座上的开关与插座是 ____联，插座与插座之间是 ____

（I）讨论函数的单调性，并证明当x＞﹣2时，xe^x+2+x+4＞0；

（Ⅱ）证明：当a∈0，1）时，函数g（x）= $\frac{e^{x+2}-ax-3a}{{\left(x+2\right)}^2}$ （x＞﹣2）有最小值，设g（x）最小值为h（a），求函数h（a）的值域．

缺词填空 根据短文内容及首字母提示补全单词
    UNICEF works all over the world.
    UNICEF helps make the world a better place for c____ . We provide clean water, enough food and e____ for poor children in many countries.
    We want children to be healthy so we try to p____  illness. When they're sick, we pay for them to go to a doctor.We also think it's i____  that children go to school. Many children in p____  countries have to work to earn m____  for their families so they can't go to school.
    UNICEF raises money by s____ Christmas cards and organizing other fund-raising a____ .
    There are many w____  you can help UNICEF. You can send a donation or do some v____  work.

下列句子，没有语病的一项是(    )