单选题
Many Americans find silence uncomfortable during a
buffet or a formal dinner. {{U}} {{U}} 1 {{/U}} {{/U}}in the
States there is the {{U}} {{U}} 2 {{/U}} {{/U}}practice of
making "small talk" in certain social situation. Small talk deals {{U}}
{{U}} 3 {{/U}} {{/U}}various topics, superficially, simply for
the sake of keeping a conversation {{U}} {{U}} 4 {{/U}} {{/U}}.
The topics {{U}} {{U}} 5 {{/U}} {{/U}}include the weather,
sports, college courses, clothing, food, etc. Small talk is {{U}} {{U}}
6 {{/U}} {{/U}}useful at social gathering when you meet someone for the
first time, or when polite conversation is expected but no serious discussion
{{U}} {{U}} 7 {{/U}} {{/U}}. It is common but
not necessarily expected that one should know {{U}} {{U}} 8
{{/U}} {{/U}}in a group before engaging him or her in conversation. {{U}}
{{U}} 9 {{/U}} {{/U}}, at a party or {{U}} {{U}} 10
{{/U}} {{/U}}informal social gatherings, a simple " May I join you?" and a
self-introduction is normally sufficient {{U}} {{U}} 11 {{/U}}
{{/U}}acceptance into a group and to join in a conversation. In some
{{U}} {{U}} 12 {{/U}} {{/U}}, such as the lobby of a concert
hall or theater, a waiting room or a classroom, it is common for {{U}}
{{U}} 13 {{/U}} {{/U}}to start a conversation even {{U}}
{{U}} 14 {{/U}} {{/U}}an introduction. {{U}}
{{U}} 15 {{/U}} {{/U}}the informality that pervades U. S. society,
people in the States expect those whom they {{U}} {{U}} 16
{{/U}} {{/U}}to put aside {{U}} {{U}} 17 {{/U}} {{/U}}they are
doing and listen. As a {{U}} {{U}} 18 {{/U}} {{/U}}, the
conversation distance between two people is at least two or three {{U}}
{{U}} 19 {{/U}} {{/U}}. Standing at a closer range will make many
Americans feel {{U}} {{U}} 20 {{/U}} {{/U}}.