摘要
Tom Freeman sees the United States dif-ferently than most of us see it. He looks__1__at the world from the air. Tom has an __2___job: painting flagpoles (旗杆). The __3___ can be 15 to 80 feet tall. Some poles are very nar-row. They may be six inches wide at the bot-tom and only one inch __4___ at the top.