上(shang)(shang)(shang)課(ke)(ke)(ke)班(ban)(ban)(ban)長(chang)突然(ran)開(kai)(kai)了遙(yao)控器(qi)(qi),上(shang)(shang)(shang)課(ke)(ke)(ke)全(quan)班(ban)(ban)(ban)同(tong)學驚(jing)訝地看著他,班(ban)(ban)(ban)長(chang)只(zhi)見他手持(chi)遙(yao)控器(qi)(qi),開(kai)(kai)遙(yao)控器(qi)(qi)黑板(ban)上(shang)(shang)(shang)的(de)(de)上(shang)(shang)(shang)課(ke)(ke)(ke)字跡開(kai)(kai)始自動(dong)擦除,窗簾自動(dong)關(guan)閉(bi),班(ban)(ban)(ban)長(chang)教室燈光漸漸變(bian)暗(an)。開(kai)(kai)遙(yao)控器(qi)(qi)他又(you)按下一個按鈕,上(shang)(shang)(shang)課(ke)(ke)(ke)突然(ran)從(cong)揚聲器(qi)(qi)里(li)傳出了輕快的(de)(de)班(ban)(ban)(ban)長(chang)音樂(le),同(tong)學們(men)情不自禁跟著節奏搖擺起(qi)來(lai)(lai)。開(kai)(kai)遙(yao)控器(qi)(qi)他笑著說:“讓我(wo)們(men)來(lai)(lai)一場不一樣的(de)(de)上(shang)(shang)(shang)課(ke)(ke)(ke)上(shang)(shang)(shang)課(ke)(ke)(ke)吧!”全(quan)班(ban)(ban)(ban)頓時沸騰(teng)起(qi)來(lai)(lai),班(ban)(ban)(ban)長(chang)上(shang)(shang)(shang)課(ke)(ke)(ke)氣(qi)氛(fen)變(bian)得(de)異常輕松愉快。開(kai)(kai)遙(yao)控器(qi)(qi)上(shang)(shang)(shang)課(ke)(ke)(ke)