[简答]   二、阅读理解：阅读下面短文，选择合适的内容将短文补充完整。（操作提示：将代表正确答案的选项“A”、“B”等输入答案框即可。）    Doyouknowhowtouseamobilephonewithoutbeingrudetothepeoplearoundyou?Talkingduringaperformanceirritates(激怒)people.Ifyouareexpectinganemergencycall,sit neartheexitdoorsandsetyourphonetovibrate(振动),.Wheneatingatarestaurantwithfriends,.Thisconveysthemessagethatyourphone callsaremoreimportantthanthosearoundyou.Mobilephoneshavesensitivemicrophonesthatallowyoutospeakatthevolumeyouwouldonaregularphone..Ifyouarecallingfromanoisyarea,.Manypeoplebelievethattheycan’tlivewithouttheirmobilephone.,butlimityourconversationstourgentonesandsavethepersonalcallsuntilyouareathome.433642/%E5%9B%BE%E7%89%872%281%29.png