简答题What is the program about? A、Global warming. B、Environmental protection. C、Tourism of Antarctica. D、Research stations in Antarctica.简答题What does the man worry about? A、How Antarctica is preserved. B、If the ice caps in Antarctica are melting. C、If penguins can still live in Antarctica. D、How tourists travel to Antarctica.简答题How does tourism affect the environment of Antarctica? A、Tourism causes the ice caps in Antarctica to melt. B、Carefully-controlled tourism helps its preservation. C、Tourists won’t affect its environment if they are careful enough. D、Tourism brings more risks than benefits.简答题What do we learn about Antarctica from the conversation? A、It is too cold to live there. B、It is the only wilderness on earth. C、Many tourists are expected to visit it. D、There are only research stations there.