题目内容：

The giant panda loves bamboo. An adult panda requires 12.5 kilograms of bamboo, which it 1.(hungry) pulls out with its powerful paws, to satisfy its daily needs. Wild pandas live only in the high bamboo forests of Central China. These mountain forests are cool and wet--just as pandas like it. In the summer, they may climb as high as 4000 meters to help themselves to bamboo 2.(grow) at higher altitudes. Frequently, pandas 3.(see) eating in a relaxed sitting position, with their back legs stretched out before them. 4. they may appear inactive, they are in fact skilled tree-climbers and efficient swimmers.

Giant pandas are unsociable. They have a highly developed sense of smell that males use 5.(avoid) each other and to find females for mating in the spring. After a five-month pregnancy, a female gives birth 6. a cub. The blind baby pandas weigh only 142 grams and cannot crawl(爬行) 7. they reach three months of age.8. are born white, and develop their much loved coloring later.

There are only about 1000 giant pandas left in 9. wild, with perhaps another 100 in zoos. Because they are so rare, much of 10. we know about pandas comes from studying these zoo animals.