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.

①2FeCl₃+2KI=2FeCl₂+2KCl+I₂，②2FeCl₂+Cl₂=2FeCl₃．

下列各微粒氧化能力由强到弱的顺序正确的是（   ）

垂柳和鲤鱼在结构层次上的主要不同之处是垂柳没有（  ）

绍兴是中国著名的“酒乡”．绍兴黄酒，为世界三大古酒之一，多次获得国际金奖．绍兴黄酒是一门综合性的发酵工程学，涉及到多种学科知识．它的酿造过程可以概括为：选料→发酵→压榨→勾兑→澄清→煎酒等步骤．（部分数据为方便计算略做处理），发酵即淀粉→葡萄糖→酒精的过程，请你在下列化学方程式中的横线内填写化学式：

（C₆H₁₀O₅）_n（淀粉）+nH₂O→nC₆H₁₂O₆（葡萄糖）

C₆H₁₂O₆（葡萄糖）→2 ____　+2CO₂↑