【学习目标】
1. 掌握文章中的一些重点词组和重点句子。
bamboo，research，keeper，excitement，illness，remaining，wild，government，protection，huge walk into ，fall over，or so，run over...
They run over with excitement and some of them even walk into their friends and fall over! Scientists say there are now fewer than 2,000 pandas living in the remaining forests. Another 200 or so live in zoos or research centers in China and other countries.
2. 能够用所学的内容描述熊猫的习性
