根据短文内容，判断正误。符合短文内容，对的写正确，错的写错误。

    Ann and Lucy visit the zoo today. They see many animals there. Look, a bear is under the tree. You can see two pandas near the river. Ann and Lucy like pandas very much. There are two tigers and four leopards at the zoo. Some foxes, rabbits and squirrels are behind the rocks. Six sheep and eight goats are on the ground. They are eating grass. Ann and Lucy like all the animals at the zoo. They have a good time today.

确山铁花，又称打铁花，起源于宋代，鼎盛于明清，已有千余年历史，曾濒临灭绝，是河南省仅存的大型民间传统烟火，国家级非物质文化道产。素有“民间烟火之最”、“中原文化奇葩”的美誉。2017年春晚．确山铁花“绽放”央视荧屏，千年铁花炫彩夺目，引起无数观众关注和喜爱。对此，下列认识正确的有（    ）

①榨汁机要清洗干净，并晾干 ②发酵瓶要清洗干净，用体积分数为70%的酒精消毒

③装入葡萄汁后，封闭充气口 ④发酵装置的排气口要通过一个长而弯曲的胶管与瓶身连接