hot dog is one of the most popular American foods……A hot dog is one of the most popular American foods.It was named after frankfurter,a German food. You may hear “hot dog” 1 in other ways.People sometimes say “hot dog” to express 2 .For example,a friend may ask 3 you would like to go to the cinema.You might say “Great!I would love to go.” Or,you could say,“4 I would love to go.” People 5 use the expression to describe (描写)someone who is a “show- off”,who tries to show everyone else how 6 he is.You often hear such 7 called a “hot dog”.He may be a baseball player,for example,who 8 the ball with one hand,making a (n) 9 catch seem more difficult.You know he is a hot dog because when he makes such a catch,he bows (鞠躬) to the crowd,hoping to win their 10 .The sun begins to shine on the man. Soon it gets very hot! The man takes off his coat. The argument is over.