椭圆$\frac{x^2}{a^2}$+$\frac{y^2}{b^2}$=1（a＞b＞0）的两个焦点F₁，F₂，点M在椭圆上，且MF₁⊥F₁F₂，|MF₁|=$\frac{4}{3}$，|MF₂|=$\frac{14}{3}$，则离心率e等于（　　）

读课文《锡林郭勒大草原》，给下列段落加标点符号。

一碧千里的草原上____还散落着一个个圆顶的蒙古包____牧民骑在高高的马背上____神气地挥舞着鞭子____放声歌唱____蓝蓝的天上白云飘，白云下面马儿跑____

朱熹同王阳明的主张相同之处有
①主张理在气先②都强调意识第一、物质第二

③要求克服私欲，维护统治秩序④心外无理

先通读下面的短文，掌握其大意，然后从A、B、C、D四个选项中选择可以填入空白处的最佳答案。

    In a small village，there lived a poor man．He was smart but1,and he never worked. The villagers were so2that they often gave him some useful things. So the man could3with those things.

    One day morning，the man begged(乞讨) from door4door again．He wanted some food．5，he got a large bag of flour(面粉)from an old woman．After he went home，he put the flour into a large pot(罐子)and6it near his bed．Then he went to7．In his dream，he sold the flour at a very good8．With the money，he bought a cow ,and its milk9him more money．He was so happy in his dream that he danced in his sleep．His10hit(碰撞)the pot of flour, and the flour spilt (洒出)all over the floor．The man woke and he felt so sad．

    This thing taught him a lesson：no one can live a good life without working．From then on he worked every day and had a better life．