A．Antarctica has become the best place for people to travel

　　B．only scientists can be allowed to go to Antarctica

　　C．Antarctica is less affected by human activities

　　D．no animals can survive in Antarctica except penguins

　　解析：选C。推理判断题。根据第二段的第二句话“It’s considered the last great wilderness on Earth.”可知，它被认为是地球上最后的不毛之地。由此可推知，南极洲受人类活动的影响较小。

　　2．Juliet Rix’s travel in Antarctica mentioned in the fourth paragraph indicates that ________.

　　A．governments should take measures to stop tourists from going to Antarctica

　　B．whether tourists should go to Antarctica or not should be

　　considered carefully

　　C．the animals’ habitat in Antarctica has been seriously affected by tourism

　　D．only journalists begin to pay attention to the environmental protection in Antarctica

　　解析：选B。推理判断题。根据第四段的“asked herself if she should be there at all，causing potential problems to such a sensitive environment”以及“Her tour guide admitted that all visitors leave footprints and they all go to the same place”可推知，人们是否应该去南极洲旅游应认真地考虑一下。

　　3．Which of the following statements is TRUE according to Rix?

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