[填空题]Most Americans believe there are unspoken rules about mobile phone etiquette. Checking emails, sending text messages and making telephone calls while in the (36) of others are impolite. Texting during a date is also strictly (37) . But most people questioned in an online poll said they would not be offended if they received an (38) "thank you", instead of a Written note. And 75 percent had no (39) to anyone using laptops, netbooks and cell phones in the bathroom."Etiquette is first and foremost a question of (40) ," said author and etiquette expert Anna Post. But she (41) the results of the Harris Interactive poll as pretty surprising (42) Sixty-two percent of the 2,625 adults who took part in the (43) agreed that cell phones, laptops, and netbooks are part of daily life. Fifty-five percent also thought the demands of business mean people must stay connected, (44) . But despite the need to b