bi ____ le
A：cic
B：cyc
C：Ycy
句子配对。
①How heavy is Tom?____ A. There are 15.
②How old is he?____B. He is 15years old.
③How much is the robot?____C. He weighs 51kg.
④How many boys are there under the tree?____D. It's September 15th.
⑤When is your birthday?____E. It's ¥15.
我国分布最广泛的少数民族是（ ）
我国名酒五粮液素有“三杯下肚浑身爽，一滴沾唇满口香”的赞誉，曾经获得世博会两届金奖。有一种精品五粮液，它的包装盒上标明容量500mL，（ρ酒=0.9×103 kg/m3），则它所装酒的质量为____ kg，将酒倒出一半以后，剩余酒的密度为____ kg/m3；如果用此瓶装满水，则总质量比装满酒时多____ kg.
