Elephants are big，but Teensy was the smallest of them.Teensy tried everything she could think of to help herself grow.She put her legs out straight.She ate a lot.However，nothing seemed to 1.

    One day Teensy went with the elephants to have lunch.They stopped in front of some trees and found their favourite green leaves.Teensy raised her nose and tried again and again.but  she couldn't 2the branches.Not even the low ones!

    At the end of the day，Teensy was with the rest of the elephants watching the 3.But Teensy couldn't see very much."Excuse me，"said Teensy politely，"I'd like to see more than your knees，if you please."But the elephants didn't hear little Teensy.They were too 4 enjoying the sunset.Teensy sat down and waited 5for them to finish admiring the sunset.She knew she was too little to walk away by herself，so she sat and6 what the sunset must look like."Oh，I guess it is too pretty for words!"she sighed.Teensy was very sad."Oh，woe is me."she said.Suddenly，Teensy heard a tiny voice."What is woe？"the voice said.Teensy looked down and saw a mouse."Woe means 7"said Teensy.She told the mouse about seeing only elephant 8 instead of the sunset.

    "I'm too little，"she said.

    "Why？You're not little at all，"said the mouse.

    "Do you think so？"replied Teensy，"I'm sorry you're so small.I know how it feels.""Don't be sorry，"said the mouse."I like being small!I can always fit into corners.

    "Wow，"said Teensy，"so being9CAN be good."

    "You're right.Little or big，you should always be10 of who you are."said the mouse.

（Ⅰ） 求椭圆的方程；

（Ⅱ） 过点M（0，﹣1）作直线l交椭圆于A，B两点，交x轴于N点，满足 $\overrightarrow{NA}$ =﹣ $\frac{7}{5}\overrightarrow{NB}$ ，求直线l的方程．

下列对文章内容的分析，不正确的一项是(    )。

2015年6月24日，我国政府首次对外发布毒品形势报告。毒品问题作为—个严峻的社会问题，事关人民幸福安康和社会和谐稳定，对于任何毒品犯罪要从重从快打击，绝不姑息。这表明（  ）

①人民民主专政具有专政的职能  ②我国生存与发展的政治基石是坚持人民民主专政

③人民民主是社会主义的生命    ④坚持人民民主专政是社会主义现代化建设的政治保证

执行如图所示的程序框图，若输入$x=2$ ，则输出$y$的值为