9. Desert elephants are called careful feeders because they ______ ．

　A. rarely ruin trees

　B. drink only every 3-4 days

　C. search for food in large groups

　D. protect food sources for their young

10.The author answers the question raised in the first paragraph with ______ ．

　A. stories and explanation

　B. facts and descriptions

　C. examples and conclusion

　D. evidence and argument

11. What can be inferred from the last sentence in the passage？ ______

　A. Overheating the earth can be stopped．

　B. Not all animal species are so adaptable．

　C. The planet will become hotter and hotter．

　D. Not all animals are as smart as desert elephants．

　　The Chinese word "Shanzhai" means a small mountain village， but now it becomes an accepted name for fakes （假货）， after "Shanzhai Cell-phones" produced by small workshops in southern China became popular in the mainland market over the past two years． Besides "Shanzhai" electronic products， there are "Shanzhai" movies， "Shanzhai" stars and even a "Shanzhai" Spring Festival Gala， a copy of the 25-year-old traditional show presented by CCTV on Chinese Lunar New Year's Eve．

　　"Shanzhai" has become a culture of its own， meaning anything that imitates something famous． In Chongqing， "Shanzhai" version "Bird's Nest（鸟巢）" and "Water Cube（水立方）" woven by farmers with bamboo attract（吸引） wide attention from tourists． Both are copies of the famous Olympic buildings in Beijing．

A literature critic said that taking the "Shanzhai" Gala as an example， when the traditional CCTV program becomes less and less attractive to the audience， the "Shanzhai" version appears timely to attract people． "Although it is often connected with poor techniques and operation， 'Shanzhai' culture meets the psychological needs