根据短文内容，从短文后的选项中选出能填入空白处的最佳选项。选项中两项为多余选项。
Think about an 11－year－old child spending her days washing clothes，looking after a baby brother，doing hard work on the farm．Think about a little girl．小题1: and has no water to drink because it is not clean．She has watched her father，brother and sister lose their lives because the family has no money to send for a doctor．
小题2: For Marie Pastora，these are the facts of life．
Maria Would gladly walk to school，but her mother，now alone，needs her badly at home．Maria had to leave school because of her poor family．
But for just 52 pennies a day，you can help out a child like Maria．小题3:Through Save The Children you can help Maria’s mother get better crops from their farm．and make money so that she can buy clothes and things for school．
To help Maria most，your money is to put together with other helpers，so hardworking people can help themselves．Build a school,…a hospital…make their farms better…and bring in clean water．This is what Save The Children had been about since 1932．
小题4: You can write letters to each other, get photos，study reports．Know you are helping and saving another human being．That’s how Save The Children works． 小题5: Please take a moment to fill out the paper below to help a child like Maria and her village．
It can make such a difference in her life and yours．
A．For you there are many returns．
B．Show her that somewhere，someone will help her．
C．One good return deserves another．
D．Hard to believe?E．She knows there will not be enough food for dinner，
F．But without you，it can’t work．
G．How to help her and her poor villagers?
点(0，0，z)(0≤z≤1)作垂直于z轴的平面与该立体相截得水平截面D(z)，它是半径
的圆面．若以每秒υ0体积单位的均匀速度往该容器注水，并假设开始时容器是空的．