same place，the accessible coastline，which is also where the

　　penguins and seals go to breed.

　　But some people believe that if carefully controlled, tourism can be good for Antarctica. It has no native population

　　and it needs advocates. Visitors to the icy continent might be

　　ready to support and even to fund its preservation. And they’re

　　likely to engage in the discussion about global warming，which

　　has led to the melting of glaciers.

　　According to Rix，guidelines are followed when you’re

　　about to set foot in Antarctica and tourists have to disinfect

　　(为……消毒) their boots to make sure no alien species are

　　introduced.

　　And once on land，there’s no eating or smoking.Rocks，bone fragments—nothing should be taken as a souvenir and

　　nothing should be left behind.Tourists fortunate enough to visit

　　Antarctica must be aware that this is not their home and keep

　　their fingers crossed that future generations will also be able to

　　enjoy such breathtaking views.

　　　【文章大意】　游客应该去南极洲旅游吗？本文介绍了去南极洲旅游的情况和对游客的要求。

　　1．According to the second paragraph，we can learn that ________.

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