在①醋酸，②甲醇，③含磷洗衣粉，④白磷，⑤石墨，⑥尿素，⑦生石灰中选用适当物质的序号填空：
用工业酒精兑制的酒有毒是因其中含有______；会使水生植物大量繁殖导致水质变坏的是______；可作食品包装袋中干燥剂的是______；可作电极材料的是______；可用于农作物肥料的是______；用作配置食品调味剂的是______．
用工业酒精兑制的酒有毒是因其中含有甲醇；会使水生植物大量繁殖导致水质变坏的是含磷洗衣粉；可作食品包装袋中干燥剂的是生石灰；可作电极材料的是石墨；可用于农作物肥料的是尿素；用作配置食品调味剂的是醋酸．故填：②；③；⑦；⑤；⑥；①．
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| 警方近期正在缉拿一系列案件的嫌疑人员.阅读下面有关警方通报查找人员的信息(A、B、C、D、E和F)，根据案件及人物的描述,选出嫌疑人员，选项中有一项是多余的。 1. A valuable dog was taken while being walked by its owner in City Park yesterday afternoon. Police wish to talk to a man seen nearby at the time, described by witnesses as short and fat with short light hair and clear glasses. 2. Yesterday morning at 9.30a.m. a man armed with a gun entered the National Bank and demanded money from the staff, before fleeing when confronted by bank security staff. Security cameras show the man as being short and thin with shoulder length blonde hair. 3. A tall, strong built man with blonde hair, a thick black moustache and wearing dark glasses knocked a woman to the ground and stole her purse on Main Street last Saturday afternoon. If you see this man, do not approach as he is considered extremely dangerous. 4. At the football match between Manchester United and Liverpool, several people had their wallets stolen while waiting in line to buy food. The victims did not see or notice the thief but bystanders describe him as very tall and thin, clean shaven with short light hair. 5. A car was stolen from the supermarket carpark on Friday, June 23 this year by a man described as very young, 1.7 metres tall with thin dark hair and carrying a blue backpack. A reward of $500 is offered for the car's recovery.
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