小题1: Nobody _______ that woman’s age. It’s not polite to ask that.

小题2:Please remember ________ the window when you leave.

小题3:The assistants in this supermarket are very_____. I don’t want to go there again.

小题4:She did some ______ last night.

小题5:We _____ a movie star last weekend.     

衢州市是国家优秀旅游城市，吸引了众多的海内外游客．据衢州市2011年国民经济和社会发展统计报显示，全年旅游总收入达121.04亿元．将121.04亿元用科学记数法可表示为[ ]

A．12.104×10⁹元  

B．12.104×10¹⁰元  

C．1.2104×10¹⁰元  

D．1.2104×10¹¹元