联系学过的化学知识，按要求完成下列各题．

（1）铁在潮湿的环境下容易生锈，这是铁与____和水共同作用的结果；

（2）汽油能洗涤油污，这是利用汽油____油污的性质；

（3）金属铝可以加工成铝箔，主要利用铝的____．

    In many classrooms, it's not 1 to find students spinning (旋转) their pens 2 they listen to their teachers.
    Pen-spinning is also popular  3 Japanese students. It is a form of entertainment. Recently, a pen-spinning competition was held in Tokyo, Japan. Ryuki Omura, a 16-year-old high school student, became the first pen-spinning 4. 276 people took part in the competition. The came from different age groups. Some were students 5  some were office workers. First, they  6the videos of their pen-spinning skills to the organizer's website. Then some of them came to the last round in Tokyo. 7 of them had 30 seconds to show their skills in front of 400 people, 8reporters and fans. Omura took a pen from his little finger to the rest fingers, then to his palm(手掌) and the back of his hand. His wonderful show made him   9 the champion.
    Omura said he began learning pen-spinning only about 14 months ago. He did  10 in the competition. If you like to spin your pen, you can practice it in your spare time. But when you are in the class, please don't do that.

以下现象依次属于：（1）流感病毒侵入人体时，有时可作用于红细胞，使红细胞成为靶细胞，导致体内产生抗红细胞抗体，这种抗体也可对正常红细胞发生作用，引起红细胞裂解，称为溶血性贫血 （2）美国有一免疫功能异常的儿童，不能接触任何病原体。少量病菌亦可导致严重发病 （3）某人一吃海鲜就出现严重的腹泻（   ）
①过敏反应         ②自身免疫病           ③免疫缺陷

根据下列四幅图回答问题。