A.  B.  C.  D.  E.

⑴____My friend's a boy. His name's Bill. He's ten. He's tall. He has short hair. He has grey shorts. He has a skateboard.

⑵____My friend's a girl. Her name's Polly. She's eight. She's short. She has short hair. She has a blue dress. She has a cat.

⑶____My friend's a girl. His name is Jill. She's eleven. She's thin. She has a skateboard. She can play on the skateboard.

⑷____My friend's a girl. Her name's Amy. She's twelve. She's tall. She has long hair. She has a blue skirt. She can fly a kite.

⑸____My friend's a boy. His name's Mark. He's eleven. He's short. He has long hair. He has a pair of jeans. He likes riding a bicycle.

从经过饥饿处理的植物的同一叶片上陆续取下面积相同的叶圆片(见下图)，称其重量。在不考虑叶片内有机物向其他部位转移的情况下进行分析，其中错误的是(     )