单项选择题
判断题 In his traveling experience, the man has been in hurricanes, tornados, seen tidal waves, volcanoes erupting, and been involved in a plane crash.
单项选择题 According to the article, in the twenty-first century an American businessman will spend less than ______ to go to Paris.
判断题 The man’s most frightening experience was being involved in an earthquake in Africa.